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| Brand | FPI |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | LGA-4500 |
| Pricing | Available upon Request |
| Brand | FPI |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | LGA-5500 |
| Pricing | Upon Request |
| Brand | FPI |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | LGA-6500 |
| Pricing | Available upon Request |
| Brand | FPI |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | OEM Manufacturer |
| Model | LGA-9100 |
| Measurement Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) |
| Linearity Error | ≤ ±1% FS |
| Repeatability | ≤ ±1% FS |
| Span Drift | ≤ ±1% FS per 6 months |
| Response Time (T90) | ≤ 1 s |
| Explosion Protection Rating | Ex d mb op is px IICT6 Gb |
| Ingress Protection Rating | IP66 |
| Functional Safety Certification | SIL2 compliant |
| Compliance | Designed for continuous emission monitoring and process safety applications in accordance with IEC 61508 and IEC 61511 |
| Brand | FPI |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer | FPI (Hangzhou) Co., Ltd. |
| Model | OMA-3220 |
| Type | UV Absorption Spectrophotometric Analyzer |
| Detection Principle | Ultraviolet Differential Optical Absorption Spectroscopy (UV-DOAS) |
| Measurement Range | Sub-ppm to low-ppm H₂S |
| Detection Limit | < 10 ppb (typical, dependent on path length and optics) |
| Light Source | Pulsed Xenon Flash Lamp |
| Design | Solid-state, module-based, no moving parts |
| Calibration | Automated zero/span and self-diagnostic cycle |
| Compliance | Designed for continuous industrial process monitoring per IEC 61511 functional safety guidelines (SIL2-capable architecture), compatible with ISO 8573-1 compressed air purity class monitoring workflows |
| Brand | GAOMAI |
|---|---|
| Origin | Beijing, China |
| Model | GM-800 |
| Price Range | USD 14,000 – 42,500 (FOB) |
| Linearity Error | ±2% FS |
| Repeatability | <0.5% FS |
| Drift | <1% FS/7 days |
| Response Time | ≤60 s |
| Explosion Protection | Not rated |
| Sensor Type | Imported Electrochemical Oxygen Sensor |
| Output Signal | 4–20 mA DC (isolated), RS-485 Modbus RTU |
| Power Supply | 220 VAC ±10%, 50/60 Hz |
| Operating Temperature | 0–45 °C |
| Enclosure Rating | IP65 |
| Calibration Interval | Recommended every 3–6 months |
| Brand | FPI |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | LGA-8500 |
| Pricing | Available upon Request |
| Brand | FPI |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | LGA-9500 |
| Pricing | Available upon Request |
| Brand | FPI |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | LTGA-200 |
| Pricing | Available upon Request |
| Brand | FPI |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | LTGA-700 |
| Pricing | Available upon Request |
| Brand | FPI (Fortune Photonics Instrumentation) |
|---|---|
| Model | OMA-3010 |
| Measurement Principle | UV Absorption Spectrophotometry (220–360 nm) |
| Detection Range | 0–1 ppm and 0–10 ppm (auto-switching dual-range) |
| Detection Limit | <50 ppb Cl₂ |
| Sample Gas Temperature | –10 to 60 °C |
| Sample Pressure | 0.05–0.3 MPa (gauge) |
| Corrosion Resistance | Hastelloy C-276 wetted parts, PTFE/PFA-lined flow path |
| Output Interface | 4–20 mA, RS485, Modbus TCP |
| Compliance | CE, RoHS, ISO 9001 certified |
| Enclosure Rating | IP65 |
| Operating Environment | Indoor/Outdoor (with shelter), –20 to +50 °C ambient |
| Brand | ONUEE |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | UE242B |
| Price Range | USD 4,200–7,000 (FOB) |
| Repeatability | nC6, nC4+nC5 channels < 0.1 mol% |
| HHV, LHV & Wobbe Index (WI) | < 0.3% of reading or < 0.15 MJ/m³ (whichever is greater) |
| Specific Gravity | < 0.06% of reading |
| Explosion Protection | Ex d IIC T6 Gb |
| Brand | ONUEE |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | UE55 |
| Price Range | USD 4,200 – 7,000 (FOB Shenzhen) |
| Linearity Error | < ±2% of Full Scale |
| Repeatability | < ±2% of Full Scale (per year) |
| Response Time (T90) | ~30 s (NDIR channels) |
| Ingress Protection | IP54 / IP65 |
| Brand | ONUEE |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | UYI-U30 |
| Linear Error | < ±1% FS |
| Repeatability | ±0.2% (zero), ±1% (span) |
| Response Time | 6–25 s (dependent on sensor type, flow rate, tubing length, and digital filtering settings) |
| Measurement Principles | NDIR (CH₄, CO₂), Electrochemical (O₂) |
| Detection Limits | <1% FS |
| Operating Temperature | 0–50 °C |
| Humidity Range | 0–95% RH (non-condensing) |
| Pressure Compensation | ±0.2% FS/10 mbar (800–1200 mbar range) |
| Power Supply | DC 24 V (optional internal Li-ion battery, 8 h runtime) |
| Dimensions (PCB module) | 270 × 220 × 120 mm |
| Weight | 0.8–2.0 kg |
| Tubing ID | 4–6 mm |
| Brand | ONUEE |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | UYI-U51 / UYI-U52 / UYI-U59 |
| Linear Error | ≤±1% |
| Repeatability | ≤±1% |
| Response Time | ≤20 s (T90) |
| Explosion Protection Rating | Ex d II CT6 (Flameproof) |
| Brand | ONUEE |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | UYI-U700 |
| Linear Error | ≤±1% FS |
| Span Drift | ≤±1% FS |
| Response Time | ≤20 s (field-dependent) |
| Measurement Principle | TDLAS |
| Measurable Gases | CH₄, CO₂, CO, NH₃, H₂S, HF |
| Concentration Range | ppm to % vol |
| Accuracy | ≤±1% FS |
| Calibration Interval | ≤2 times/year |
| Power Supply | 220 VAC |
| Output Signals | 4–20 mA or RS485 |
| Operating Temperature | −20 °C to +60 °C |
| Sample Flow Rate | 20–30 L/h |
| Enclosure Dimensions | 500 × 500 × 200 mm (typical) |
| Compliance | Designed for industrial process environments requiring continuous emission monitoring and safety-critical gas detection |
| Brand | ONUEE |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | UYI-U800 |
| Response Time | 10–30 s (for CH₄, CO₂, O₂) |
| Explosion Protection Rating | Ex d IIC T6 Gb |
| Enclosure Options | Flameproof (Ex d) or Non-Flameproof Cabinet |
| Measurement Channels | 1–8 configurable sampling points |
| Operating Temperature | −5 °C to +50 °C |
| Power Supply | 220 VAC ±5%, 1 A |
| Display | Industrial-grade capacitive touch screen |
| Output | 4–20 mA analog + RS485 Modbus RTU |
| Flow Rate | 500 mL/min (typical) |
| Filter | Replaceable fiber filter cartridge |
| Weight | ~45 kg |
| Dimensions (standard) | 600 × 600 × 250 mm (W × D × H) |
| Brand | PERIC |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | Domestic (China) |
| Model | Custom Model 8 |
| Quotation | Upon Request |
| Response Time | ≤60 s |
| Measurement Principle | UV Differential Optical Absorption Spectroscopy (UV-DOAS) with Hot-Wet Sampling |
| Detection Target | Monoethanolamine (MEA), Diethanolamine (DEA), and related alkanolamines |
| Range | 0–20 ppm |
| LOD | 200 ppb |
| Accuracy | ≤±5% FS |
| Sample Flow Rate | ≥2 L/min |
| Optical Path Length | ≥7 m |
| Operating Temperature | −5 to 40 °C |
| Operating Humidity | 15–85% RH |
| Preconditioning | Heated Wet Sampling + Multi-Stage Filtration |
| Compliance | Designed for marine GLP-aligned operation |
| Brand | PERIC |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | OEM Manufacturer |
| Product Category | Domestic |
| Model | Customized 3 |
| Pricing | Available Upon Request |
| Measurement Species | H₂, O₂ |
| Dimensions (L×W×H) | ≤1100×550×2100 mm (including nozzles and mounting brackets) |
| H₂ Range | 0–5% vol |
| Low-range H₂ | 0–0.5% vol |
| O₂ Range | 0–2.5% vol / 0–25% vol (switchable) |
| Low-range O₂ | 0–1% vol |
| H₂ Accuracy | ±2% FS |
| O₂ Accuracy | ±1% FS (for 0–2.5% / 0–25% ranges), ±2% FS (for 0–1% range) |
| Measurement Principles | Tunable Diode Laser Absorption Spectroscopy (TDLAS) for O₂ |
| Brand | PERIC |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | Domestic (China) |
| Model | PR-MeOH-1000 |
| Price | Upon Request |
| Measurand | Methanol (0–1000 ppm), Formaldehyde (0–1000 ppm) |
| Response Time | ≤30 s (each) |
| Accuracy | ±5% FS (each) |
| Measurement Principle | UV-DOAS (Formaldehyde, hot/wet sampling), NDIR (Methanol, chilled/dry sampling) |
| Operating Temperature | −10 to 50 °C |
| Operating Humidity | 0–90% RH (non-condensing) |
| Brand | PERIC |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | PR-NH3-1000 |
| Pricing | Upon Request |
| Measured Gases | NH₃, NO, NO₂, N₂O |
| NH₃ Range | 0–2000 ppm |
| NO/NO₂ Range | 0–2000 ppm / 0–200 ppm |
| N₂O Range | 0–2000 ppm |
| Response Time | ≤30 s |
| Accuracy | ≤±5% FS |
| Measurement Principles | UV-DOAS (for NH₃, NO, NO₂), NDIR (for N₂O), Hot-Wet & Cold-Dry Sample Conditioning |
| Operating Temperature | −10 to 50 °C |
| Operating Humidity | 0–90% RH (non-condensing) |
| Brand | PERIC |
|---|---|
| Model | SLAS-01 |
| Measurement Principle | TDLAS |
| Detectable Gases | O₂, CO, CO₂, CH₄, C₂H₂, H₂S, NH₃, HCl, HF |
| Detection Limits | O₂: 0.01% vol |
| CO | 1 µmol/mol |
| CO₂ | 0.01% vol |
| CH₄ | 0.01% vol |
| C₂H₂ | 0.01% vol |
| H₂S | 1 µmol/mol |
| Full-Scale Ranges | O₂/CO/CO₂/CH₄: 0–99.99% vol |
| C₂H₂/H₂S | 0–10% vol |
| Linearity Error | ≤ ±1% FS |
| Repeatability & Drift | ≤ ±1% FS per 6 months |
| Optical Path Length | ≤20 m |
| Sample Temperature | ≤800 °C |
| Sample Pressure | ±5 kPa |
| Ambient Temperature | −20 to +60 °C |
| Ambient Humidity | ≤90% RH |
| Power Supply | DC 24 V |
| Relay Outputs | 3 × (24 V / 1 A) |
| Analog Outputs | 2 × 4–20 mA (max. load 750 Ω) |
| Digital Interface | RS485, Modbus RTU protocol |
| Display | Magnet-controlled graphical interface |
| Enclosure Rating | IP66 |
| Explosion Protection | Ex d IIC T6 |
| Brand | FPI |
|---|---|
| Origin | Zhejiang, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | ProRGA-7000 |
| Pricing | Available upon Request |
| Brand | Sinoptic |
|---|---|
| Model | iLAS |
| Type | In-Situ Cross-Beam Tunable Diode Laser Absorption Spectroscopy (TDLAS) Gas Analyzer |
| Origin | Hubei, China |
| Manufacturer | Sinoptic Instrument Co., Ltd. |
| Explosion Protection | Exd II CT6 |
| IP Rating | IP66 |
| Optical Path Length | ≤15 m |
| Sample Gas Temperature | ≤800 °C |
| Ambient Temperature | −30 to 55 °C |
| Humidity | ≤90% RH (non-condensing) |
| Power Supply | AC 220 V / DC 24 V |
| Analog Inputs | 2 × 4–20 mA |
| Analog Outputs | 2 × 4–20 mA (max. load 750 Ω) |
| Digital Interface | RS485, MODBUS RTU |
| Relay Outputs | 3 × (24 V, 1 A) |
| Purge Gas | N₂, 0.4–0.6 MPa |
| Measurable Gases | O₂, CO, CO₂, CH₄, NH₃, HCl, HF, H₂S, C₂H₆, HCN, H₂O (customizable) |
| Detection Limit | 0.01% vol |
| Full Scale Range | 0–99.99% vol |
| Operating Pressure | Atmospheric ±5 kPa |
| Brand | Southland |
|---|---|
| Origin | USA |
| Model | H2S-150-NG |
| Measurement Principle | Electrochemical Fuel Cell Sensor |
| Range Options | 0–200 ppm (H2S-1X) or 0–2000 ppm (H2S-2X) |
| Accuracy | < ±2% of Full Scale |
| Response Time (T90) | 60 s |
| Operating Temperature | 0–50 °C |
| Sample Flow Rate | 0.5–2.0 SCFH |
| Inlet Pressure Range | 0.1–50 PSI |
| Output Signal | 4–20 mA or 1–5 VDC |
| Enclosure Rating | Class 1, Div 2, Groups C & D |
| Dimensions | 11.25 × 12.0 × 5.50 in |
| Weight | 12.5 lbs |
| Sensor Lifetime | 12 months |
| Calibration Interval | Every 1–3 months with certified span gas |
| Gas Connection | 1/4" compression fitting |
| Electrical Isolation | Galvanically isolated power and analog outputs |
| Optional | Dual-loop configuration, RS-485 Modbus RTU interface |
| Brand | Southland |
|---|---|
| Origin | USA |
| Model | H2S-625 |
| Linear Error | < ±1% FS |
| Repeatability | < ±1% FS |
| Span Drift | < ±1% FS |
| Response Time (T90) | 45 s |
| Explosion Protection Rating | Class I, Division 1, Group B, C, D |
| Brand | Southland Sensing |
|---|---|
| Origin | Beijing, China |
| Model | FSR-600FB |
| Linear Error | ≤ ±1% F.S. |
| Repeatability | ≤ ±1% F.S. |
| Span Drift | ≤ ±1% F.S. / 7 days |
| Response Time (T90) | ≤ 1 s |
| Explosion Protection Rating | Ex d II C T6 |
| Sample Flow Rate | 0.3–0.5 L/min |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Operating Temperature | −5 °C to +45 °C |
| Relative Humidity | ≤ 90% RH |
| Inlet Pressure Range | 0.05–0.1 MPa |
| Analog Output | 4–20 mA |
| Electrical Interface | 1/2 NPT |
| Sample Port | G1/2 |
| Zero Drift | ±1% F.S. / 7 days |
| Resolution | 0.01% vol |
| Warm-up Time | 10 min |
| MTBF | > 3 years |
| Brand | Tailin Biotech |
|---|---|
| Model | HTY-HK Series |
| Measurement Principle | UV Absorption Spectroscopy (Dual-Wavelength, H₂O₂- and H₂O-Selective) |
| H₂O₂ Range | 200–50,000 ppm (field-adjustable) |
| H₂O Range | 200–250,000 ppm (field-adjustable) |
| H₂O₂ Detection Limit | 100 ppm |
| H₂O Detection Limit | 100 ppm |
| H₂O₂ & H₂O Repeatability | ≤5% RSD |
| Linearity Error | ≤±5% FS |
| Response Time | 1 s (configurable down to 0.1 s per measurement) |
| Operating Temperature | +5 °C to 300 °C |
| Pressure Range | 200 Pa to 0.2 MPa (vacuum to positive pressure) |
| Ambient Conditions | 0–40 °C, 0–85% RH |
| Output Signals | RS485 (Modbus RTU), 4–20 mA isolated analog |
| Certifications | CE Marked, ISO 9001:2015 Certified |
| Compliance | Designed for integration into ISO 14644-compliant cleanrooms and FDA-regulated sterilization validation workflows (supports 21 CFR Part 11 audit trail requirements when paired with compliant SCADA/HMI) |
| Brand | TH-analyzer |
|---|---|
| Origin | Beijing, China |
| Manufacturer | TH-analyzer |
| Model | THA-IEX-1 |
| Linearity Error | ±2% FS |
| Repeatability | 1% |
| Response Time (T90) | ≤25 s |
| Explosion Protection Rating | Ex d IIC T6 Gb |
| Operating Temperature | 5–45 °C |
| Stability | ±2% FS / 7 days |
| Ambient Temperature Effect | ±2% FS (5–45 °C) |
| Measurement Principle | NDIR (Non-Dispersive Infrared) Absorption |
| Detectable Gases | CO, CO₂, CH₄, SO₂, NO, NO₂, N₂O, SF₆, NH₃, O₂ (optional) |
| Brand | Vaisala |
|---|---|
| Origin | Finland |
| Manufacturer | Vaisala Oyj |
| Type | Optimus™ OPT100 DGA |
| Application | Online dissolved gas analysis (DGA) for sealed power transformers |
| Measurement Principle | Non-dispersive infrared (NDIR) spectroscopy with vacuum-assisted headspace gas extraction |
| Calibration | Automatic in-situ zero/span correction using internal reference gas cell |
| Materials in contact with oil | 316 stainless steel and anodized aluminum |
| Pumping system | Magnet-driven gear pump |
| Maintenance interval | Maintenance-free design (no consumables, no scheduled servicing) |
| Installation time | <2 hours |
| Data output interval | Configurable down to 1-hour intervals (no data averaging required) |
| User interface | Web-based HTML5 interface with TLS-secured remote access |
| Environmental rating | IP65 enclosure |
| Compliance | Designed for IEC 60599, IEEE C57.104, and compatible with ISO/IEC 17025-accredited DGA workflows |