{"id":2830,"date":"2026-07-20T14:38:19","date_gmt":"2026-07-20T12:38:19","guid":{"rendered":"https:\/\/gekkophotonics.com\/sulfur-thiosulfate-fertilizers\/instrument\/"},"modified":"2026-07-20T14:38:19","modified_gmt":"2026-07-20T12:38:19","slug":"instrument","status":"publish","type":"page","link":"https:\/\/gekkophotonics.com\/en\/sulfur-thiosulfate-fertilizers\/spectrally-x1-analyzer-sulfur-thiosulfate-fertilizers\/","title":{"rendered":"Spectrally X1 INLINE \u2013 Process Raman Analyzer for Sulfur &amp; Thiosulfate Fertilizer (ATS) Lines | Gekko Photonics"},"content":{"rendered":"<style>.elementor-2830 .elementor-element.elementor-element-b2a4d29{margin-top:0px;margin-bottom:0px;padding:0px 0px 0px 0px;}.elementor-2830 .elementor-element.elementor-element-577371e > .elementor-element-populated{padding:0px 0px 0px 0px;}@media(min-width:768px){.elementor-2830 .elementor-element.elementor-element-577371e{width:100%;}}<\/style>\t\t<div data-elementor-type=\"wp-page\" 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img{width:100%;height:100%;object-fit:cover}\n\n\/* ---- analyte + spectrum explorer ---- *\/\n#gkms .explorer{display:grid;grid-template-columns:1fr 1.15fr;gap:40px;align-items:stretch}\n@media(max-width:900px){#gkms .explorer{grid-template-columns:1fr}}\n#gkms .analyte-list{display:flex;flex-direction:column;gap:10px}\n#gkms .analyte{display:flex;justify-content:space-between;align-items:center;gap:14px;text-align:left;font-family:var(--font);\n  background:#fff;border:1px solid var(--g200);border-radius:var(--r-md);padding:16px 18px;cursor:pointer;transition:.18s var(--ease)}\n#gkms .analyte:hover{border-color:var(--gk-blue-400);transform:translateX(3px)}\n#gkms .analyte.active{border-color:var(--gk-blue);background:var(--gk-blue-50);box-shadow:var(--sh-sm)}\n#gkms .analyte .n{font-weight:700;color:var(--gk-navy-deep);font-size:15px}\n#gkms .analyte .band{font-size:12px;font-weight:700;color:var(--gk-blue);font-variant-numeric:tabular-nums;background:var(--gk-blue-100);padding:3px 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YouTube facade ---- *\/\n#gkms .vid-embed{position:relative;width:100%;aspect-ratio:16\/9;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md);background:#0F1626}\n#gkms .vid-embed .yt-facade{display:block;width:100%;height:100%;margin:0;padding:0;border:0;cursor:pointer;background:#0F1626;position:relative}\n#gkms .vid-embed .yt-facade img{width:100%;height:100%;object-fit:cover;display:block}\n#gkms .vid-embed .yt-play{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}\n#gkms .vid-embed .yt-play svg{width:74px;height:auto;filter:drop-shadow(0 6px 16px rgba(0,0,0,.45));transition:transform .18s var(--ease)}\n#gkms .vid-embed .yt-facade:hover .yt-play svg,#gkms .vid-embed .yt-facade:focus-visible .yt-play svg{transform:scale(1.09)}\n#gkms .vid-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0;display:block}\n\n<\/style>\n\n<div id=\"gkms\">\n<div id=\"gkms-progress\" style=\"position:fixed;top:0;left:0;height:3px;background:var(--gk-blue);width:0;z-index:200\"><\/div>\n<nav class=\"nav\">\n    <div class=\"nav-in\">\n      <a href=\"\/sulfur-thiosulfate-fertilizers\/\"><img decoding=\"async\" class=\"logo\" src=\"https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/logo-full-2.png\" alt=\"Gekko Photonics\"><\/a>\n      <div class=\"nav-links\">\n      <a href=\"\/sulfur-thiosulfate-fertilizers\/\">Home<\/a>\n      <a href=\"\/sulfur-thiosulfate-fertilizers\/chemistry\/\">Chemistry<\/a>\n      <a href=\"\/sulfur-thiosulfate-fertilizers\/what-we-measure\/\">What we measure<\/a>\n      <a href=\"\/sulfur-thiosulfate-fertilizers\/how-it-works\/\">How it works<\/a>\n      <a href=\"\/sulfur-thiosulfate-fertilizers\/proof\/\">Proof<\/a>\n      <a href=\"\/sulfur-thiosulfate-fertilizers\/compliance\/\">Compliance<\/a>\n      <a href=\"\/sulfur-thiosulfate-fertilizers\/instrument\/\" class=\"active\">Instrument<\/a>\n      <\/div>\n      <a class=\"btn btn-primary\" href=\"#contact\">Test on your samples<\/a>\n    <\/div>\n  <\/nav>\n<header class=\"subhero\">\n  <svg class=\"spectrum\" viewBox=\"0 0 1200 420\" preserveAspectRatio=\"none\" aria-hidden=\"true\">\n    <path d=\"M0,320 L90,312 L150,290 L195,195 L240,305 L315,292 L375,185 L420,305 L480,262 L540,135 L600,290 L660,276 L720,225 L780,296 L840,282 L900,205 L960,300 L1020,288 L1080,240 L1140,292 L1200,270\" fill=\"none\" stroke=\"#019FE2\" stroke-width=\"2\"><\/path>\n    <path d=\"M0,335 L90,328 L150,318 L195,245 L240,325 L315,312 L375,232 L420,322 L480,292 L540,196 L600,312 L660,300 L720,258 L780,318 L840,305 L900,242 L960,320 L1020,308 L1080,272 L1140,314 L1200,295\" fill=\"none\" stroke=\"#fff\" stroke-width=\"1\" stroke-dasharray=\"4 6\"><\/path>\n  <\/svg>\n  <div class=\"hero-in\" style=\"position:relative\">\n    <div class=\"crumb\"><a href=\"\/sulfur-thiosulfate-fertilizers\/\">Sulfur &amp; thiosulfate fertilizers<\/a> \/ Instrument<\/div>\n    <span class=\"eyebrow\">Spectrally X1 INLINE<\/span>\n    <h1 class=\"display\" style=\"margin-top:16px\">The process Raman analyzer that reads <span class=\"accent\">thiosulfate in the stream<\/span>.<\/h1>\n    <p class=\"lead\">Spectrally X1 INLINE is a process Raman analyzer built for the absorption line. Inline means the spectrum is taken in the process itself - no sampling, no conditioning loop - so thiosulfate concentration, N\/S ratio and solution homogeneity read continuously and reach your control system in about 5 seconds, instead of a 20-60 min wait on the lab. Below is the hardware, the probe, the software and the installation, at catalog specification.<\/p>\n  <\/div>\n<\/header>\n\n<!-- ===== 01 \u00b7 THE ANALYZER ===== -->\n<section id=\"analyzer\">\n  <div class=\"wrap\">\n    <div class=\"sec-head reveal\">\n      <span class=\"num\">01<\/span>\n      <span class=\"eyebrow\">The instrument<\/span>\n      <h2 class=\"h2\">A process Raman analyzer built for the absorption line.<\/h2>\n      <p class=\"lead\">Spectrally X1 INLINE measures chemical composition directly in the installation - 24\/7, without sampling and without consumables. Inline means the spectrum is acquired in the process itself: the reading arrives in seconds and streams to your control system continuously, in place of a 20-60 min wait on the lab.<\/p>\n    <\/div>\n    <div class=\"product\">\n      <div class=\"prod-photo reveal\"><img decoding=\"async\" src=\"https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/x1-inline-cabinet.jpg\" alt=\"Spectrally X1 INLINE - the complete analyzer cabinet\"><\/div>\n      <div class=\"reveal\">\n        <span class=\"eyebrow\">Catalog specification<\/span>\n        <p class=\"lead\" style=\"margin-top:12px;font-size:17px\">Two excitation wavelengths are available - 785 nm and 1064 nm, the latter for strongly fluorescing media - at 600 mW and 800 mW respectively, limited to 30 mW for ATEX applications. Detection is a back-thinned, TEC-cooled CCD.<\/p>\n        <table class=\"spec-table\">\n          <tr><td>Measurement principle<\/td><td>Raman spectroscopy<\/td><\/tr>\n          <tr><td>Laser wavelength<\/td><td>785 nm \/ 1064 nm<\/td><\/tr>\n          <tr><td>Laser power<\/td><td>600 mW @ 785 nm; 800 mW @ 1064 nm; 30 mW for ATEX applications<\/td><\/tr>\n          <tr><td>Spectral range<\/td><td>300-1650 cm&#8315;&sup1; or 300-3500 cm&#8315;&sup1;<\/td><\/tr>\n          <tr><td>Spectral resolution<\/td><td>8 cm&#8315;&sup1;<\/td><\/tr>\n          <tr><td>Acquisition time<\/td><td>5-300 s<\/td><\/tr>\n          <tr><td>Detector<\/td><td>Back-thinned CCD, TEC-cooled<\/td><\/tr>\n          <tr><td>Measurement channels<\/td><td>Up to 2 (expandable on request)<\/td><\/tr>\n          <tr><td>Fiber optic reach<\/td><td>Up to 100 m<\/td><\/tr>\n          <tr><td>Communication<\/td><td>PROFIBUS, PROFINET, GSM<\/td><\/tr>\n          <tr><td>Calibration<\/td><td>Automatic - reference integrated in the probe<\/td><\/tr>\n          <tr><td>Laser lifetime<\/td><td>Min. 2 years<\/td><\/tr>\n          <tr><td>Warm-up<\/td><td>30 min from power-on<\/td><\/tr>\n          <tr><td>HMI<\/td><td>Touchscreen (SpectrallyUI)<\/td><\/tr>\n          <tr><td>Software<\/td><td>Spectrally OS on Debian GNU\/Linux 13.2<\/td><\/tr>\n          <tr><td>Probe<\/td><td>Spectrally X1 PROBE - IP67, ATEX \/ IECEx Zone 0, self-cleaning module<\/td><\/tr>\n        <\/table>\n        <p class=\"mono-note\" style=\"margin-top:12px\">Values per the Spectrally Raman Analyzers product catalog.<\/p>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<!-- ===== 02 \u00b7 THE PROBE ===== -->\n<section id=\"probe\" class=\"ctx\">\n  <div class=\"wrap\">\n    <div class=\"sec-head reveal\">\n      <span class=\"num\">02<\/span>\n      <span class=\"eyebrow\">Spectrally X1 PROBE<\/span>\n      <h2 class=\"h2\">The part of the system that lives in your stream.<\/h2>\n      <p class=\"lead\">An immersion Raman probe for direct in-situ analysis of the absorption stream - no sampling, no conditioning loop. Rated to 16 bar and +125 &deg;C, pH 2-10 in continuous service and 1-14 short-term, with IP67 ingress protection and an ATEX \/ IECEx Zone 0 rating.<\/p>\n    <\/div>\n    <div class=\"product\">\n      <div class=\"tp-photo reveal\"><img decoding=\"async\" src=\"https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/x1-probe-flange.jpg\" alt=\"Spectrally X1 PROBE flange with labels on a process line\"><\/div>\n      <div class=\"reveal\">\n        <span class=\"eyebrow\">Probe specification<\/span>\n        <p class=\"lead\" style=\"margin-top:12px;font-size:17px\">The probe measures in the absorption stream, pipelines and process tanks, in batch and continuous operation. It handles liquids, suspensions and slurries; ATS, KTS\/CaTS and AMS run as clear, low-fouling aqueous liquors.<\/p>\n        <table class=\"spec-table\">\n          <tr><td>Probe type<\/td><td>Immersion, fiber-optic connection to analyzer<\/td><\/tr>\n          <tr><td>Process pressure<\/td><td>Up to 16 bar<\/td><\/tr>\n          <tr><td>Process temperature<\/td><td>-40 to +125 &deg;C<\/td><\/tr>\n          <tr><td>Process pH<\/td><td>2-10 continuous; 1-14 short-term<\/td><\/tr>\n          <tr><td>Ingress protection<\/td><td>IP67<\/td><\/tr>\n          <tr><td>Hazardous areas<\/td><td>ATEX \/ IECEx Zone 0<\/td><\/tr>\n          <tr><td>Housing<\/td><td>316L stainless steel; POM-C \/ POM-C ESD (ATEX version)<\/td><\/tr>\n          <tr><td>Optical window<\/td><td>Fused silica<\/td><\/tr>\n          <tr><td>Mounting<\/td><td>Flange, Tri-Clamp, retractable process holder<\/td><\/tr>\n          <tr><td>Cleaning<\/td><td>Self-cleaning retractable module - automatic retract-rinse-return cycle<\/td><\/tr>\n        <\/table>\n      <\/div>\n    <\/div>\n\n    <div class=\"how-grid\" style=\"margin-top:56px\">\n      <div class=\"cycle reveal\">\n        <div style=\"font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--gk-blue-400);margin-bottom:18px\">Self-cleaning probe cycle<\/div>\n        <div class=\"ring\" id=\"gkms-cycle\">\n          <div class=\"cyc-step on\"><div class=\"ci\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M12 15V5\"\/><path d=\"M8 9l4-4 4 4\"\/><path d=\"M5 19h14\"\/><\/svg><\/div><div class=\"ct\">Retract<\/div><\/div>\n          <div class=\"cyc-arrow\">&rarr;<\/div>\n          <div class=\"cyc-step\"><div class=\"ci\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M12 3.5c3 3.5 5 6.2 5 8.8a5 5 0 0 1-10 0c0-2.6 2-5.3 5-8.8z\"\/><\/svg><\/div><div class=\"ct\">Rinse<\/div><\/div>\n          <div class=\"cyc-arrow\">&rarr;<\/div>\n          <div class=\"cyc-step\"><div class=\"ci\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M12 5v10\"\/><path d=\"M8 11l4 4 4-4\"\/><path d=\"M5 19h14\"\/><\/svg><\/div><div class=\"ct\">Return<\/div><\/div>\n        <\/div>\n        <div class=\"cyc-cap\">ATS, KTS\/CaTS and AMS are clear, low-fouling aqueous liquors. The retractable self-cleaning module keeps the optical window clean and the reading stable in continuous 24\/7 service, cycling <b>retract &rarr; rinse &rarr; return<\/b> automatically without interrupting measurement.<\/div>\n      <\/div>\n      <div class=\"how-points\">\n        <div class=\"how-point reveal\"><div class=\"hi\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M4 7c6 0 6 5 12 5h4\"\/><path d=\"M4 17c6 0 6-5 12-5\"\/><circle cx=\"20\" cy=\"12\" r=\"1.4\" fill=\"currentColor\" stroke=\"none\"\/><\/svg><\/div><div><h4>Fiber-optic connection<\/h4><p>The probe connects to the analyzer over a fiber-optic cable - up to 100 m of reach - so the cabinet can sit well away from the absorption stream while the optics stay at the process.<\/p><\/div><\/div>\n        <div class=\"how-point reveal\"><div class=\"hi\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><rect x=\"4\" y=\"9\" width=\"16\" height=\"11\" rx=\"2\"\/><path d=\"M12 3v9\"\/><circle cx=\"12\" cy=\"14\" r=\"1.4\" fill=\"currentColor\" stroke=\"none\"\/><\/svg><\/div><div><h4>Immersion install, no bypass<\/h4><p>Mounts directly in the absorption stream, pipeline or tank via flange, Tri-Clamp or retractable process holder. No sample extraction, no conditioning system between the process and the measurement.<\/p><\/div><\/div>\n        <div class=\"how-point reveal\"><div class=\"hi\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M12 3l7.8 4.5v9L12 21l-7.8-4.5v-9L12 3z\"\/><circle cx=\"12\" cy=\"12\" r=\"3\"\/><\/svg><\/div><div><h4>Zone 0 by design<\/h4><p>ATEX \/ IECEx Zone 0 rating, 316L housing with POM-C ESD in the ATEX version, and laser power limited to 30 mW for ATEX applications - relevant where NH&#8323;, H&#8322;S and SO&#8322; feed gases are handled.<\/p><\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<!-- ===== METRIC BAND ===== -->\n<section class=\"band\">\n  <div class=\"wrap\">\n    <div class=\"metrics\">\n      <div class=\"metric\"><div class=\"mk\">Fiber optic reach<\/div><div class=\"mv\" data-to=\"100\" data-suffix=\"m\">0<span class=\"u\">m<\/span><\/div><p>Probe at the absorption stream, analyzer cabinet up to 100 m away.<\/p><\/div>\n      <div class=\"metric\"><div class=\"mk\">Probe pressure rating<\/div><div class=\"mv\" data-to=\"16\" data-suffix=\"bar\">0<span class=\"u\">bar<\/span><\/div><p>Process rating of the immersion X1 PROBE, up to +125 &deg;C.<\/p><\/div>\n      <div class=\"metric\"><div class=\"mk\">Spectral resolution<\/div><div class=\"mv\" data-to=\"8\" data-suffix=\"cm&#8315;&sup1;\">0<span class=\"u\">cm&#8315;&sup1;<\/span><\/div><p>Across a 300-1650 or 300-3500 cm&#8315;&sup1; spectral range.<\/p><\/div>\n      <div class=\"metric\"><div class=\"mk\">Measurement channels<\/div><div class=\"mv\" data-to=\"2\">0<\/div><p>Two measurement points per analyzer, expandable on request.<\/p><\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<!-- ===== 03 \u00b7 SPECTRALLY OS ===== -->\n<section id=\"os\">\n  <div class=\"wrap\">\n    <div class=\"sec-head reveal\">\n      <span class=\"num\">03<\/span>\n      <span class=\"eyebrow\">Spectrally OS<\/span>\n      <h2 class=\"h2\">From raw spectrum to an operational answer.<\/h2>\n      <p class=\"lead\">Spectrally OS is the analytical layer of the platform. It turns spectra into thiosulfate concentration and N\/S ratio, flags deviations against spec, raises alarms and writes the quality record - locally, on the analyzer.<\/p>\n    <\/div>\n    <div class=\"product\">\n      <div class=\"prod-photo reveal\"><img decoding=\"async\" src=\"https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/x1-inline-stand.png\" alt=\"Spectrally X1 INLINE on a mobile stand with a flow cell\"><\/div>\n      <div class=\"reveal\">\n        <span class=\"eyebrow\">Model stack<\/span>\n        <p class=\"lead\" style=\"margin-top:12px;font-size:17px\">Spectrally OS runs on AI and advanced chemometrics with a CNN core - benchmarked against, and beating on accuracy and speed, the traditional PLS and PCA it replaces. For ATS the workhorse is classic Raman on the sulfur oxyanions in the aqueous stream (roughly 70% of the model stack); SERS is held in reserve for any trace-level analyte at ppb-ppm (roughly 20%), with NIR and other techniques covering the remainder.<\/p>\n        <table class=\"spec-table\">\n          <tr><td>Supported instruments<\/td><td>Spectrally X1 LAB \/ X1 PORTABLE \/ X1 INLINE<\/td><\/tr>\n          <tr><td>Predictive models<\/td><td>AI \/ advanced chemometrics, CNN core<\/td><\/tr>\n          <tr><td>Spectral database<\/td><td>Proprietary + public, ~28,000 spectra<\/td><\/tr>\n          <tr><td>Operator interface<\/td><td>SpectrallyUI, touchscreen<\/td><\/tr>\n          <tr><td>Operating system<\/td><td>Debian GNU\/Linux 13.2<\/td><\/tr>\n          <tr><td>Calibration<\/td><td>Automatic, based on the reference signal readout<\/td><\/tr>\n          <tr><td>Data export<\/td><td>CSV \/ PDF \/ RAW<\/td><\/tr>\n          <tr><td>User management<\/td><td>Role-based access control (RBAC)<\/td><\/tr>\n          <tr><td>Data storage<\/td><td>Local database<\/td><\/tr>\n          <tr><td>Industrial protocols<\/td><td>PROFIBUS \/ PROFINET \/ GSM<\/td><\/tr>\n        <\/table>\n      <\/div>\n    <\/div>\n\n    <div class=\"how-grid\" style=\"margin-top:56px\">\n      <div class=\"how-points\">\n        <div class=\"how-point reveal\"><div class=\"hi\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M5 21V4\"\/><path d=\"M5 5h11l-2.5 3.5L16 12H5\"\/><\/svg><\/div><div><h4>Deviation flags, not just numbers<\/h4><p>PASS\/FAIL classification, anomaly detection and conformity checks on thiosulfate concentration and N\/S ratio against specification. Off-trend is caught in-process, before it becomes a customer complaint or a CE-certification problem.<\/p><\/div><\/div>\n        <div class=\"how-point reveal\"><div class=\"hi\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M20 12a8 8 0 1 1-2.34-5.66\"\/><path d=\"M20 3.5V8h-4.5\"\/><\/svg><\/div><div><h4>A model lifecycle, not a black box<\/h4><p>Calibration, validation, maintenance. Models start in feasibility on your ATS\/KTS\/AMS matrix, are refined on production data, and re-calibrated when the product changes. Every model change is logged and auditable.<\/p><\/div><\/div>\n        <div class=\"how-point reveal\"><div class=\"hi\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M12 3l7 3v5c0 4.5-3 7.5-7 9-4-1.5-7-4.5-7-9V6l7-3z\"\/><path d=\"M9 12l2 2 4-4\"\/><\/svg><\/div><div><h4>No line stop for updates<\/h4><p>Model updates deploy without stopping the analyzer or the line. Measurement and local logging keep running if the network drops - data lives in the local database.<\/p><\/div><\/div>\n      <\/div>\n      <div class=\"reveal\">\n        <div class=\"packshot-stage\"><img decoding=\"async\" src=\"https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/spectrally-family-scaled.png\" alt=\"Spectrally product family - X1 LAB, X1 PORTABLE, X1 INLINE and the X1 PROBE\"><\/div>\n        <p style=\"font-size:14px;color:var(--gk-slate);line-height:1.6;margin-top:16px\">One software layer across the Spectrally family. Models built during feasibility on Spectrally X1 LAB migrate to Spectrally X1 INLINE in production - the same analytics, moved from the lab bench to the absorption line.<\/p>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<!-- ===== 04 \u00b7 RAMAN VS ALTERNATIVES ===== -->\n<section id=\"compare\" class=\"ctx\">\n  <div class=\"wrap\">\n    <div class=\"sec-head reveal\">\n      <span class=\"num\">04<\/span>\n      <span class=\"eyebrow\">Raman vs alternatives<\/span>\n      <h2 class=\"h2\">What changes against FT-IR, NIR and offline methods.<\/h2>\n      <p class=\"lead\">The differences are physical, not promotional. These are the factual points that matter for aqueous sulfur-fertilizer streams - and the two cases where Raman is not the right tool.<\/p>\n    <\/div>\n    <div class=\"duel reveal\">\n      <div class=\"duel-row duel-head\"><div class=\"old\">Alternative technique<\/div><div class=\"mid\"><\/div><div class=\"new\">Inline Raman - Spectrally X1 INLINE<\/div><\/div>\n      <div class=\"duel-row\"><div class=\"old\"><span class=\"xk\">&times;<\/span>FT-IR: water absorption disturbs the measurement in aqueous media<\/div><div class=\"mid\">&rarr;<\/div><div class=\"new\"><span class=\"ck\">&check;<\/span>Water is a weak Raman scatterer - the aqueous ATS stream reads cleanly<\/div><\/div>\n      <div class=\"duel-row\"><div class=\"old\"><span class=\"xk\">&times;<\/span>NIR: overlapping bands, difficult, less specific identification<\/div><div class=\"mid\">&rarr;<\/div><div class=\"new\"><span class=\"ck\">&check;<\/span>Molecule-specific vibrational bands - thiosulfate and sulfate oxyanions identified directly<\/div><\/div>\n      <div class=\"duel-row\"><div class=\"old\"><span class=\"xk\">&times;<\/span>Iodometric titration: 20-30 min per thiosulfate result, reagents and lab waste with every sample<\/div><div class=\"mid\">&rarr;<\/div><div class=\"new\"><span class=\"ck\">&check;<\/span>Result in about 5 s, measured in the stream, no sampling and no reagents<\/div><\/div>\n      <div class=\"duel-row\"><div class=\"old\"><span class=\"xk\">&times;<\/span>Ion chromatography: 30-60 min for full anion composition, sampling required<\/div><div class=\"mid\">&rarr;<\/div><div class=\"new\"><span class=\"ck\">&check;<\/span>Continuous S&#8322;O&#8323;&sup2;&#8315; and SO&#8324;&sup2;&#8315; read with no consumables in routine operation<\/div><\/div>\n    <\/div>\n\n    <div style=\"margin-top:40px\">\n      <h3 style=\"font-size:20px;color:var(--gk-navy-deep);margin-bottom:16px\">Where Raman is not the answer<\/h3>\n      <div class=\"repl\">\n        <div class=\"item reveal\"><span class=\"lag\">ppb-ppm<\/span><div><div class=\"m\">Trace-level analytes<\/div><div class=\"s\">At very low concentrations Raman runs out of signal. SERS enhancement is the route for trace work.<\/div><\/div><\/div>\n        <div class=\"item reveal\"><span class=\"lag\">weak bands<\/span><div><div class=\"m\">Weakly Raman-active bonds<\/div><div class=\"s\">Some bonds scatter weakly. NIR serves as a complement where those bonds carry the information.<\/div><\/div><\/div>\n      <\/div>\n      <p class=\"lead reveal\" style=\"margin-top:28px;max-width:70ch\">The point is not to abolish the reference. Iodometric titration and ion chromatography remain the analytical reference methods - inline Raman moves the measurement into the process, where decision time and continuity matter, and leaves the offline methods as periodic verification.<\/p>\n    <\/div>\n  <\/div>\n<\/section>\n\n<!-- ===== 05 \u00b7 INSTALLATION & SERVICE ===== -->\n<section id=\"install\">\n  <div class=\"wrap\">\n    <div class=\"sec-head reveal\">\n      <span class=\"num\">05<\/span>\n      <span class=\"eyebrow\">Installation &amp; service<\/span>\n      <h2 class=\"h2\">The installation, in practical terms.<\/h2>\n      <p class=\"lead\">What the analyzer needs from your plant, and what it does not.<\/p>\n    <\/div>\n\n    <div class=\"ctx-grid\" style=\"margin-bottom:56px\">\n      <div class=\"ctx-item reveal\"><div class=\"k\">Fiber optic reach<\/div><div class=\"v\">Up to 100 m<\/div><p>The probe sits at the absorption stream. The analyzer cabinet can sit up to 100 m away, connected by fiber.<\/p><\/div>\n      <div class=\"ctx-item reveal\"><div class=\"k\">Measurement channels<\/div><div class=\"v\">Up to 2 standard<\/div><p>One analyzer serves two measurement points. More channels available on request.<\/p><\/div>\n      <div class=\"ctx-item reveal\"><div class=\"k\">Calibration<\/div><div class=\"v\">Automatic<\/div><p>Runs against a reference integrated in the probe - no manual recalibration routine.<\/p><\/div>\n      <div class=\"ctx-item reveal\"><div class=\"k\">Warm-up<\/div><div class=\"v\">30 min<\/div><p>From power-on to measurement. Continuous 24\/7 operation after that.<\/p><\/div>\n    <\/div>\n\n    <div class=\"how-grid\">\n      <div class=\"reveal\">\n        <div class=\"tp-photo\"><img decoding=\"async\" src=\"https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/x1-probe-install.jpg\" alt=\"Spectrally X1 PROBE flange before installation\"><\/div>\n      <\/div>\n      <div class=\"how-points\">\n        <div class=\"how-point reveal\"><div class=\"hi\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M9 7V3M15 7V3\"\/><rect x=\"6\" y=\"7\" width=\"12\" height=\"8\" rx=\"2\"\/><path d=\"M12 15v5\"\/><\/svg><\/div><div><h4>Utilities<\/h4><p>230 V AC, 50\/60 Hz, 300 W power draw. Operating environment 0-45 &deg;C.<\/p><\/div><\/div>\n        <div class=\"how-point reveal\"><div class=\"hi\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><circle cx=\"12\" cy=\"12\" r=\"8\"\/><circle cx=\"12\" cy=\"12\" r=\"3\"\/><circle cx=\"12\" cy=\"5.5\" r=\"1\" fill=\"currentColor\" stroke=\"none\"\/><circle cx=\"12\" cy=\"18.5\" r=\"1\" fill=\"currentColor\" stroke=\"none\"\/><circle cx=\"5.5\" cy=\"12\" r=\"1\" fill=\"currentColor\" stroke=\"none\"\/><circle cx=\"18.5\" cy=\"12\" r=\"1\" fill=\"currentColor\" stroke=\"none\"\/><\/svg><\/div><div><h4>Process connections<\/h4><p>Flange, Tri-Clamp or retractable process holder into the absorption stream, pipeline or tank. Custom designs on request.<\/p><\/div><\/div>\n        <div class=\"how-point reveal\"><div class=\"hi\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><rect x=\"4\" y=\"7\" width=\"16\" height=\"13\" rx=\"2\"\/><path d=\"M4 11h16\"\/><path d=\"M9 7V5a3 3 0 0 1 6 0v2\"\/><\/svg><\/div><div><h4>No consumables<\/h4><p>No reagents and no consumables in routine operation. Rated laser lifetime is a minimum of 2 years.<\/p><\/div><\/div>\n        <div class=\"how-point reveal\"><div class=\"hi\"><svg viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\" aria-hidden=\"true\"><path d=\"M14.7 6.3a4.6 4.6 0 0 0-6.1 6.1L4 17l3 3 4.6-4.6a4.6 4.6 0 0 0 6.1-6.1l-2.8 2.8-2.4-2.4 2.8-2.8z\"\/><\/svg><\/div><div><h4>Service and model upkeep<\/h4><p>Installation and service are performed by authorized Gekko Photonics technicians. Model maintenance runs through Spectrally OS - validation, re-calibration when the product changes, deployed without stopping the line.<\/p><\/div><\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n<\/section>\n\n<div class=\"pager\">\n    <span><a href=\"\/sulfur-thiosulfate-fertilizers\/compliance\/\">&larr; Compliance<\/a><\/span>\n    <span><a href=\"\/sulfur-thiosulfate-fertilizers\/\">Back to overview &rarr;<\/a><\/span>\n  <\/div>\n<section id=\"contact\">\n    <div class=\"wrap\">\n      <div class=\"cta reveal\">\n        <span class=\"eyebrow no-line\" style=\"color:#fff;justify-content:center\">Your next step<\/span>\n        <h2 class=\"h2\">Put the analyzer through your ATS stream first.<\/h2>\n        <p>Send representative samples or process data from your ATS, KTS\/CaTS or AMS stream. We build and validate a chemometric model on your matrix in the Gekko lab and hand you the numbers Spectrally X1 INLINE will read on your line - spectra, band assignments, model metrics against your iodometric titration or ion-chromatography reference, and a clear result - before any hardware decision. Feasibility runs 3-5.5 months; CAPEX lands in the 75-250k EUR range.<\/p>\n        <form class=\"gkms-form\" data-region=\"m3-sulfur-thiosulfate-fertilizers\" data-region-label=\"Microsite M3 - Sulfur and thiosulfate fertilizers (ATS)\" data-source=\"microsite-m3-instrument\" novalidate>\n          <div class=\"gkms-form-q\">What would you like to do?<\/div>\n          <div class=\"gkms-choices\" role=\"radiogroup\" aria-label=\"What would you like to do?\">\n            <button type=\"button\" class=\"gkms-opt is-sel\" data-val=\"feasibility\" role=\"radio\" aria-checked=\"true\">Feasibility study<\/button>\n            <button type=\"button\" class=\"gkms-opt\" data-val=\"workshop\" role=\"radio\" aria-checked=\"false\">Workshop seat<\/button>\n            <button type=\"button\" class=\"gkms-opt\" data-val=\"info\" role=\"radio\" aria-checked=\"false\">Send info<\/button>\n          <\/div>\n          <p class=\"gkms-hint\" id=\"gkms-hint\"><\/p>\n          <div class=\"gkms-row\">\n            <input type=\"email\" class=\"gkms-email\" name=\"email\" required placeholder=\"you@company.com\" autocomplete=\"email\" aria-label=\"Your work email\">\n            <button type=\"submit\" class=\"btn btn-light gkms-submit\">Send request<\/button>\n          <\/div>\n          <input type=\"text\" class=\"gkms-hp\" name=\"company_hp\" tabindex=\"-1\" autocomplete=\"off\" aria-hidden=\"true\">\n          <label class=\"gkms-consent\"><input type=\"checkbox\" class=\"gkms-consent-cb\" name=\"consent\" required><span>By submitting this form, I confirm I have read and understood the <a href=\"https:\/\/gekkophotonics.com\/en\/privacy-policy\/\" target=\"_blank\" rel=\"noopener\">privacy policy<\/a> <span class=\"gkms-req\">*<\/span><\/span><\/label>\n          <p class=\"gkms-msg\" aria-live=\"polite\"><\/p>\n        <\/form>\n        <p class=\"cta-alt\"><a href=\"https:\/\/gekkophotonics.com\/products\/spectrally-inline\/\">Explore Spectrally X1 INLINE -&gt;<\/a><\/p>\n      <\/div>\n    <\/div>\n  <\/section>\n<footer class=\"foot\">\n    <div class=\"wrap\">\n      <div class=\"foot-grid\">\n        <div>\n          <img decoding=\"async\" class=\"flogo\" src=\"https:\/\/gekkophotonics.com\/wp-content\/uploads\/2026\/07\/logo-full-2.png\" alt=\"Gekko Photonics\">\n          <p class=\"ftag\">Engineering-Driven Analytics. Real-time process composition with inline Raman spectroscopy.<\/p>\n        <\/div>\n        <div>\n          <h5>Platform<\/h5>\n          <a href=\"https:\/\/gekkophotonics.com\/products\/spectrally-inline\/\">Spectrally X1 INLINE<\/a>\n          <a href=\"https:\/\/gekkophotonics.com\/\">Spectrally X1 PROBE<\/a>\n          <a href=\"https:\/\/gekkophotonics.com\/\">Spectrally OS<\/a>\n        <\/div>\n        <div>\n          <h5>This mini-site<\/h5>\n          <a href=\"\/sulfur-thiosulfate-fertilizers\/chemistry\/\">Chemistry<\/a>\n          <a href=\"\/sulfur-thiosulfate-fertilizers\/what-we-measure\/\">What we measure<\/a>\n          <a href=\"\/sulfur-thiosulfate-fertilizers\/how-it-works\/\">How it works<\/a>\n          <a href=\"\/sulfur-thiosulfate-fertilizers\/proof\/\">Proof<\/a>\n          <a href=\"\/sulfur-thiosulfate-fertilizers\/compliance\/\">Compliance<\/a>\n          <a href=\"\/sulfur-thiosulfate-fertilizers\/instrument\/\">Instrument<\/a>\n        <\/div>\n        <div>\n          <h5>Contact<\/h5>\n          <a href=\"mailto:contact@gekkophotonics.com\">contact@gekkophotonics.com<\/a>\n          <a href=\"https:\/\/gekkophotonics.com\/\">gekkophotonics.com<\/a>\n          <div class=\"addr\">NextCorps, 260 E. Main Street, Suite 6000<br>Rochester, NY 14604, USA<\/div>\n        <\/div>\n      <\/div>\n      <div class=\"fbottom\">\n        <span>&copy; 2026 Gekko Photonics Sp. z o.o. Installation and service by authorized Gekko Photonics technicians only.<\/span>\n        <span class=\"tagpl\">Engineering-Driven Analytics<\/span>\n      <\/div>\n    <\/div>\n  <\/footer>\n<\/div>\n\n<script>\n(function(){\n  var root=document.getElementById('gkms'); if(!root||root.dataset.init)return; root.dataset.init=\"1\";\n\n  var bar=root.querySelector('#gkms-progress');\n  if(bar){window.addEventListener('scroll',function(){\n    var h=document.documentElement,b=document.body;\n    var st=(h.scrollTop||b.scrollTop),sh=(h.scrollHeight-h.clientHeight);\n    bar.style.width=(sh>0?(st\/sh*100):0)+'%';\n  },{passive:true});}\n\n  root.querySelectorAll('a[href^=\"#\"]').forEach(function(a){\n    a.addEventListener('click',function(e){\n      var t=root.querySelector(a.getAttribute('href')); if(!t)return;\n      e.preventDefault(); window.scrollTo({top:t.offsetTop-70,behavior:'smooth'});\n    });\n  });\n\n  var io=new IntersectionObserver(function(es){es.forEach(function(en){if(en.isIntersecting){en.target.classList.add('in');io.unobserve(en.target);}});},{threshold:0.14});\n  root.querySelectorAll('.reveal').forEach(function(el){io.observe(el);});\n\n  root.querySelectorAll('.tab').forEach(function(t){\n    t.addEventListener('click',function(){\n      root.querySelectorAll('.tab').forEach(function(x){x.classList.remove('active');});\n      root.querySelectorAll('.tabpanel').forEach(function(x){x.classList.remove('active');});\n      t.classList.add('active');\n      var p=root.querySelector('.tabpanel[data-panel=\"'+t.dataset.tab+'\"]'); if(p)p.classList.add('active');\n    });\n  });\n\n  if(root.querySelector('#gkms-analytes')){\n    var A=[\n      {n:'Thiosulfate concentration', d:'The value ATS is sold on: a strong Raman-active oxyanion, read straight off the flowing stream every few seconds - to single ppm - instead of by 20-30 min iodometric titration.', x:470, lab:'S\u2082O\u2083\u00b2\u207b'},\n      {n:'N\/S ratio', d:'The nitrogen-to-sulfur ratio that defines the product. 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