Ambient Air Quality Monitor
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| Brand | LESHI |
|---|---|
| Origin | Canada |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 943-TGX |
| Instrument Type | Online Gas Analyzer |
| Measured Gases | H₂S, SO₂ |
| Response Time | T₉₀ < 10 s (system), < 1 s (analyzer) |
| Accuracy | ±1% FS for H₂S, ±1% FS for SO₂ |
| Measurement Range | H₂S (0–4) vol%, SO₂ (0–2) vol% |
| Detection Principle | UV Absorption Spectroscopy |
| Dimensions | 57″ W × 41.25″ H × 16″ D |
| Enclosure | Two 24″ W × 30″ H × 12″ D cabinets |
| Weight | ~275 lb (with all options) |
| Power | 110/240 VAC, 50/60 Hz, 1100 W |
| Ambient Temperature | 0–50 °C |
| Sample Flow Rate | < 5 ft³/h |
| UV Source | High-stability deuterium lamp |
| Detector | 2048-pixel CCD array |
| Display | 5.7″ LCD (640 × 480), intrinsically safe keypad |
| Output | Four isolated 4–20 mA channels (1 Hz update), relay outputs |
| Data Storage | 1 GB standard (up to 8 GB optional) |
| Zero Drift | < ±0.25% FS/day (auto-zero every 4 h) |
| Linearity & Repeatability | ±1% FS |
| Explosion Protection | Class I, Div 2, Groups C & D, T3 |
| Instrument Air | 22 SCFM @ 80 psi (20 SCFM with cooler) |
| Steam Supply | Probe –50 psi |
| Total Sulfur Range | (H₂S + SO₂) (0–6) vol% |
| Brand | LESHI |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | SE304 |
| Instrument Type | Portable |
| Measured Gas | SO₂ |
| Detection Principle | Non-Dispersive Infrared (NDIR) at 7.3 µm |
| Compliance | HJ 692–2011 |
| Measurement Range | Customizable up to 0–5000 ppm |
| Response Time | < 30 s (T₉₀) |
| Warm-up Time | < 60 s |
| Built-in Components | Sampling Pump, Particulate Filter, Mass Flow Meter |
| Probe Material | Stainless Steel with Flexible Sampling Hose |
| Optional | Condensate Removal Module (User-configurable) |
| Brand | LESHI |
|---|---|
| Origin | Beijing, China |
| Model | SE321 |
| Detection Gases | NH₃, H₂S |
| Instrument Type | Portable |
| Sensor Technology | Electrochemical |
| Display | Backlit LCD Touchscreen |
| Sampling System | Integrated diaphragm pump, stainless-steel probe, 12-ft PTFE-lined sampling hose, particulate filter, and mass flow meter |
| Design | Modular, field-serviceable architecture |
| Compliance Context | Designed for ambient air quality monitoring per ISO 16000-24 and EPA Method IO-4.2 (electrochemical sensor-based gas detection) |
| Origin | USA |
|---|---|
| Manufacturer | Los Gatos Research |
| Type | OA-ICOS-based Ambient NO₂ Monitor |
| Models | 907-0009 (Rack-Mount Standard), 908-0009 (Benchtop Standard), 911-0009 (Enhanced Performance Rack-Mount) |
| Detection Limit | 0.05 ppb (1σ, 60 s) |
| Precision | 50 ppt (1σ, 1 s) |
| Response Time (Cavity Flush) | 10 s (Internal Pump) / 1 s (Optional External Vacuum Pump) |
| Drift | ≤50 ppt (24 h, EP model, STP, 15-min avg) |
| Measurement Range | 0.01–1000 ppb (full-spec) |
| Optional Extended Range | 0–3000 ppb |
| Linearity | Full-scale linear |
| Zero Calibration | Auto-zero via metal oxide scrubber (no zero gas required) |
| Sample Temp. | 0–50 °C |
| Operating Temp. | 5–45 °C |
| Humidity | 0–100% RH (non-condensing) |
| Power | 115/230 VAC, 50/60 Hz, 100 W (Std) / 150 W (EP) |
| Dimensions & Weight | Benchtop Std: 25.4 × 96.5 × 35.6 cm, 27 kg |
| Rack Std | 22.2 × 48.3 × 61 cm, 27 kg |
| Rack EP | 35.6 × 48.3 × 61 cm, 40 kg |
| Outputs | RS-232, Analog (0–10 V / 4–20 mA), Ethernet, USB |
| Internal Data Storage | Linux-based embedded computer with HDD logging |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Models | 907-0037 (Standard Rackmount), 911-0037 (Enhanced Precision), 915-0037 (Ultra-Portable) |
| Repeatability (1σ) | 2 ppb (1 s), 0.2 ppb (100 s) |
| Max Drift (EP, 15-min avg, STP, 24 h) | 1 ppb |
| Measurement Range (full spec compliance) | 0.2–2000 ppb |
| Optional Range | 0–30 ppm |
| Measurement Rate | 0.01–1 Hz (flow response <10 s requires optional external pump) |
| Sample Temp | 0–50 °C |
| Operating Temp | 0–45 °C |
| Humidity | 0–100% RH (non-condensing) |
| Outputs | RS-232, Analog, Ethernet, USB |
| Power | 115/230 VAC, 50/60 Hz or 12 VDC |
| Power Consumption | 100 W (Standard), 150 W (EP), 70 W (Ultra-Portable) |
| Dimensions & Weight | Standard: 22.2 × 48.3 × 61 cm, 29 kg |
| EP | 35.6 × 48.3 × 61 cm, 40 kg |
| Ultra-Portable | 17.8 × 47 × 35.6 cm, 19 kg |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Models | 908-0016 (Benchtop), 907-0016 (Rackmount Standard), 911-0016 (Rackmount EP), 915-0016 (Ultra-Portable) |
| Power | 115/230 VAC, 50/60 Hz, 120 W (Standard) / 150 W (EP) |
| Dimensions & Weight | Benchtop: 25.4 × 96.5 × 35.6 cm, 29.5 kg |
| Rackmount Standard | 22.2 × 48.3 × 61 cm, 29.5 kg |
| Rackmount EP | 35.6 × 48.3 × 61 cm, 40.5 kg |
| Ultra-Portable | 17.8 × 47 × 35.6 cm, 19 kg |
| Measurement Range (NH₃) | 1–10,000 ppb (full-spec) |
| H₂O Range | 0–60,000 ppm (non-condensing) |
| Precision (1σ) | 0.6 ppb (10 s), 0.2 ppb (100 s), 0.12 ppb (300 s) |
| Max Drift (EP, 24 h, STP) | 0.2 ppb |
| Temp. Control Stability (EP) | ±0.003 °C |
| Pressure Control Stability (EP) | ±0.001 torr |
| Sampling Rate | 0.01–1 Hz (user-selectable) |
| Operating Temp. | 5–45 °C (Standard), 0–45 °C (EP) |
| Sample Temp. | 0–50 °C |
| Humidity | 0–100% RH (non-condensing) |
| Outputs | RS-232, Analog, Ethernet, USB |
| Detection Principle | Off-Axis Integrated Cavity Output Spectroscopy (OA-ICOS) |
| Brand | LI-COR |
|---|---|
| Origin | USA |
| Model | LI-7700 |
| Instrument Type | Online Analyzer |
| Target Gas | Methane (CH₄) |
| Measurement Precision | ±5 ppb |
| Measurement Range | 0–25 µmol/mol at −25 °C |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | APOGEE |
| Price | Upon Request |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model Numbers | 907-0017 (Standard Rackmount), 911-0017 (Enhanced Precision), 915-0017 (Ultra-Portable) |
| Detection Principle | Off-Axis Integrated Cavity Output Spectroscopy (OA-ICOS) |
| Measurement Target | Hydrogen Fluoride (HF) and Water Vapor (H₂O) |
| Detection Limit | 0.1 ppb (1σ, 100 s) |
| Precision | 1 ppb (1σ, 1 s) / 0.1 ppb (1σ, 100 s) |
| Drift | ≤0.1 ppb (24 h, EP model, STP, 15-min avg) |
| Measurement Range | 0.1–2000 ppb (standard) |
| Response Time | <10 s (with optional external pump) |
| Data Output | RS-232, Analog, Ethernet, USB |
| Power | 115/230 VAC, 50/60 Hz or 12 VDC |
| Power Consumption | 100 W (Standard), 150 W (EP), 70 W (Ultra-Portable) |
| Operating Temperature | 0–45 °C |
| Sample Temperature | 0–50 °C |
| Relative Humidity | 0–100% RH (non-condensing) |
| Dimensions & Weight | Standard: 22.2 × 48.3 × 61 cm, 29 kg |
| EP | 35.6 × 48.3 × 61 cm, 40 kg |
| Ultra-Portable | 17.8 × 47 × 35.6 cm, 19 kg |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model Numbers | 907-0038 (Standard Rackmount), 911-0038 (Enhanced Precision EP), 915-0038 (Ultra-Portable) |
| Measurement Principle | Off-Axis Integrated Cavity Output Spectroscopy (OA-ICOS) |
| Detection Limits | 0.2 ppb (HCl & HF, 1σ, 100 s) |
| Precision (1σ) | 2 ppb (5 s), 0.2 ppb (100 s) |
| Drift (24 h, STP, EP model) | ≤1 ppb |
| Measurement Range (full-spec) | 0.2–2000 ppb |
| Optional Extended Range | 0–10 ppm |
| Response Time (flow-limited) | <6 s |
| Data Output | RS-232, Analog, Ethernet, USB |
| Power | 115/230 VAC, 50/60 Hz or 12 VDC |
| Power Consumption | 100 W (Standard), 150 W (EP) |
| Operating Temperature | 0–45 °C |
| Sample Temperature Range | –10 to +80 °C |
| Relative Humidity | 0–100 % RH (non-condensing) |
| Dimensions & Weight | Standard: 22.2 × 48.3 × 61 cm, 29.5 kg |
| EP | 35.6 × 48.3 × 61 cm, 40.8 kg |
| Ultra-Portable | 17.8 × 47 × 35.6 cm, 19 kg |
| Origin | Imported |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Measurement Principle | Metal Oxide Semiconductor (MOS) Sensor |
| Detection Range | 0.000–50.00 ppm (multi-range selectable) |
| Accuracy | ±0.005 ppm (0–0.100 ppm), ±10% (0.100–2.00 ppm), ±15% (2.00–20.00 ppm), ±20% (20.00–50.00 ppm) |
| Resolution | 1 ppb (low-range), 0.01 ppm (mid/high-range) |
| T90 Response Time | <10 s (leak range) to <70 s (ultra-low range) |
| Operating Temp | −5°C to +50°C |
| Operating Humidity | ≤95% RH (non-condensing) |
| Power | 12 VDC, 800 mA |
| Rechargeable Options | 9.4 V Ni-Cd (940 mAh) or 9.6 V Ni-MH (2100 mAh) |
| Enclosure Rating | IP20 / NEMA 1 |
| Dimensions | 195 × 122 × 54 mm (with probe) |
| Weight | <460 g (with probe and battery) |
| Compliance | FCC Part 15, EN 50082-1:1997, EN 50081-1:1992 |
| Brand | Meiko Rikka |
|---|---|
| Origin | Japan |
| Model | P-40R |
| Instrument Type | Online Gas Monitoring System |
| Detectable Gases | Water Vapor, Carbon Monoxide (CO), Oil Mist, Carbon Dioxide (CO₂) |
| Response Time | ≤30 s |
| Measurement Range | Up to 3000 ppm (CO₂) |
| CO | 2.5–100 ppm |
| Oil Mist | 0.3–5 mg/m³ |
| Water Vapor | 20–160 mg/m³ (603SP) or 100–1000 ppm (603SP2) |
| O₂ | 2–24% vol |
| Pressure Handling | Integrated pressure reduction unit with proton-type mass flow controller for safe decompression of high-pressure compressed air streams to ambient pressure prior to analysis |
| Brand | Picarro |
|---|---|
| Origin | USA |
| Model | G2401 |
| Instrument Type | Portable |
| Measured Gases | CO, CO₂, CH₄, H₂O |
| Response Time | < 5 s |
| Measurement Precision (1σ, 5 s) | CO < 15 ppb, CO₂ < 50 ppb, CH₄ < 1 ppb, H₂O < 30 ppm |
| Measurement Range | CO: 0–1000 ppm, CO₂: 0–5 ppm, CH₄: 0–20 ppm, H₂O: 0–7% |
| Accuracy Compliance | Meets WMO GAW and ICOS atmospheric monitoring requirements for CO, CO₂, and CH₄ |
| Brand | Protea |
|---|---|
| Origin | United Kingdom |
| Model | Solus |
| Gas Targets | HCl + H₂O, NH₃ + H₂O |
| Detection Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) |
| Form Factor | Portable |
| Sample Volume | 15 mL |
| Response Time | < 3 s |
| Optical Path | Near-Infrared (NIR) |
| Construction | Carbon-fiber chassis with thermal insulation |
| Integrated Components | Heated particulate filter, purge valve, mass flow controller, optional zirconia O₂ sensor and embedded PC |
| Calibration | Zero-point drift-free |
| Compliance Context | Designed for EN 15267-3, MCERTS, EPA Method 320, ISO 14956, and WID (2010/75/EU) emission monitoring applications |
| Brand | RAE Systems Inc. (USA) |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | PGM-5520 |
| Instrument Type | Portable |
| Detectable Gases | O₂, LEL (Combustible Gas), CO, H₂S |
| Response Time | ≤15 s |
| Measurement Resolution | 1 ppm |
| Measurement Ranges | O₂ (0–30% vol), LEL (0–100% LEL), CO (0–500 ppm), H₂S (0–100 ppm) |
| Wireless Frequency | 915 MHz |
| Integrated Sampling Pump | Yes |
| IP Rating | IP67 (per ASTM E2782 & IEC 60529) |
| Battery Life | Up to 24 h (typical, with Li-ion battery) |
| Data Logging Capacity | ≥100,000 data points |
| Simultaneous Monitoring Channels | Up to 32 units per base station |
| Mounting | Bi-Pod stand (50 cm elevation, tool-free attachment) |
| Brand | SAIL HERO |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | OEM/ODM Producer |
| Country of Origin | China |
| Model | XHAQSN-508 |
| Instrument Type | Portable Ambient Air Quality Monitor |
| Measurable Parameters | PM₁₀, PM₂.₅, SO₂, NO₂, O₃, CO, Temperature, Relative Humidity |
| Sampling Method | Pump-aspirated |
| Weight | ≤1 kg |
| Power Supply | Integrated Rechargeable Lithium Battery (Operating Time >3 h on Full Charge) |
| Data Logging Interval | As Low as 1 s |
| Geotagging | GPS Coordinates + Altitude Embedded in Each Data Packet |
| Enclosure Material | Carbon Fiber Composite |
| Design Profile | Aerodynamic, Low-Drag Form Factor |
| Brand | SIELINS |
|---|---|
| Origin | Beijing, China |
| Model | XLZ-1090 |
| Instrument Type | Online Gas Analyzer |
| Detection Gases | CO₂ (0–50% vol), CH₄ (0–100% vol), O₂ (0–20% vol), H₂S (0–1000 ppm) |
| Response Time | ≤10 s |
| Accuracy | ±1% FS |
| Resolution | CH₄/O₂/CO₂: 0.1% vol |
| H₂S | 1 ppm |
| Warm-up Time | 45 min |
| Output | RS232 digital interface, 4–20 mA analog output |
| Power Supply | AC 220 V or DC 12 V |
| Compliance | Designed for continuous emission monitoring and industrial process control per ISO 14644-1 ambient air quality reference practices and ASTM D6785 for biogas composition analysis |
| Brand | SIELINS |
|---|---|
| Model | XLZ-1090GXH |
| Detection Principle | Non-Dispersive Infrared (NDIR) Absorption |
| Gas Measured | NH₃ (ammonia), with multi-gas capability (CO, CO₂, SO₂, CH₄) |
| Measurement Range | 0–50 ppm (standard) |
| Accuracy | ≤ 0.01% v/v (for high-concentration mode), 1 ppm (for trace-level NH₃) |
| Response Time | T₉₀ ≤ 15 s |
| Repeatability | ≤ 1% FS |
| Zero Drift | ≤ ±1% FS / 48 h |
| Span Drift | ≤ ±1% FS / 48 h |
| Linearity Error | ≤ ±1% FS |
| Sample Flow Rate | 0.5–3 L/min |
| Operating Temperature | 0–40 °C |
| Relative Humidity | ≤ 90% RH (non-condensing) |
| Power Supply | 220 V ±10%, 50 ±0.5 Hz, 150 W |
| Output Signals | 4–20 mA, 0–20 mA, 0–10 mV, 1–5 V (isolated, load ≤ 600 Ω) |
| Display | Digital LCD with real-time concentration readout |
| Enclosure Type | Wall-mounted online analyzer |
| Compliance | Designed for continuous ambient and stack emission monitoring per ISO 12039, ASTM D6348, and EN 15267-3 requirements |
| Brand | SIELINS |
|---|---|
| Origin | Beijing, China |
| Model | XLZ-1090GXH |
| Instrument Type | Online Fixed-Mount Gas Analyzer |
| Target Gas | CH₄ (also configurable for CO, CO₂, SO₂, NH₃) |
| Response Time (T₉₀) | ≤15 s |
| Measurement Accuracy | Bulk range: ≤0.01% v/v |
| Trace range | 1 ppm |
| Measurement Range | 0–50 ppm (min) to 0–100% v/v (max) |
| Repeatability | ≤1% FS |
| Zero Drift | ≤±1% FS / 48 h |
| Span Drift | ≤±1% FS / 48 h |
| Linearity Error | ≤±1% FS |
| Sample Flow Rate | 0.5–3 L/min |
| Operating Temperature | 0–40 °C |
| Relative Humidity | ≤90% RH |
| Power Supply | 220 V ±10%, 50 ±0.5 Hz, 150 W |
| Analog Outputs | 0–20 mA, 4–20 mA, 0–10 mV, 1–5 V (load ≤600 Ω) |
| Display | Digital LCD |
| Brand | SIELINS |
|---|---|
| Model | XLZ-1090GXH |
| Detection Principle | Non-Dispersive Infrared (NDIR) Absorption |
| Target Gas | SO₂ |
| Measurement Range | 0–5000 ppm |
| Resolution | 1 ppm |
| Accuracy | ±1 ppm |
| Response Time (T₉₀) | ≤15 s |
| Zero Drift | ≤±1% FS / 48 h |
| Span Drift | ≤±1% FS / 48 h |
| Linearity Error | ≤±1% FS |
| Repeatability | ≤1% |
| Sample Flow Rate | 0.5–3 L/min |
| Operating Temperature | 0–40 °C |
| Relative Humidity | ≤90% RH |
| Power Supply | 220 V ±10%, 50 ±0.5 Hz, 150 W |
| Analog Outputs | 4–20 mA (600 Ω max load), 0–20 mA, 0–10 mV, 1–5 V |
| Display | Digital LCD |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | T40 |
| Pricing | Available Upon Request |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer | Thermo Fisher Scientific |
| Product Type | Imported |
| Models | 43i, 43i-HL, 43i-TLE |
| Instrument Type | Online Continuous Emission Monitor |
| Target Gas | SO₂ |
| Response Time (Lag Time) | <20 s |
| Measurement Precision | 1 ppb (for 43i) |
| Measurement Ranges | 43i: 0–0.05 / 0.1 / 0.2 / 0.5 / 1 / 2 / 5 / 10 ppm |
| 43i-HL | 0–10 / 20 / 50 / 100 / 200 / 500 / 1000 ppm |
| 43i-TLE | 0–10 / 20 / 50 / 100 / 200 / 500 / 1000 ppb |
| Zero Noise | 0.5 ppb RMS (60 s avg, 43i) / 0.25 ppm RMS (300 s avg, 43i-HL) / 0.025 ppb RMS (300 s avg, 43i-TLE) |
| Detection Limit | <0.5 ppb (43i) / 0.5 ppm (43i-HL) / 0.05 ppb (43i-TLE) |
| Zero Drift (24 h) | <1.0 ppb (43i) / <1 ppm (43i-HL) / <0.2 ppb (43i-TLE) |
| Span Drift (24 h) | ±0.5% FS (43i) / ±1% FS (43i-HL & 43i-TLE) |
| Brand | Thermo Fisher Scientific |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Imported |
| Model | 51i |
| Pricing | Available upon Request |
| Detection Principle | Flame Ionization Detection (FID) |
| Measurement Range | 0–1 to 0–10,000 ppmC |
| Zero Noise | 0.025 ppmC RMS (10-sec avg) |
| LOD | 0.050 ppmC (10-sec avg) |
| Zero Drift (24 h) | < 0.50 ppmC |
| Span Drift (24 h) | < 2% of full scale or 0.20 ppmC (whichever is greater) |
| T90 Response Time | 15 s (1-sec avg) |
| Accuracy | ±2.0% of reading or ±0.1 ppmC (whichever is greater) |
| Linearity | ±2% of span (10–150% of span) |
| Sample Flow Rate | 0.75–1.50 L/min |
| Combustion Air Flow | 150–300 mL/min |
| Hydrocarbon-Free Air Flow | 10–35 mL/min (H₂) or 50–120 mL/min (H₂/He mixture) |
| Operating Temperature | 15–35 °C |
| Power Supply | 100/115/220–240 VAC ±10%, 50/60 Hz, 420 W |
| Dimensions (W×H×D) | 425 × 219 × 584 mm |
| Weight | 22.7 kg |
| Output Options | Isolated 0–20 mA / 4–20 mA, RS232/RS485, TCP/IP Ethernet, 10 status relays, power-fail indication |
| Input Options | 16 digital inputs (standard), 8 channels 0–10 VDC analog inputs (optional) |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Imported |
| Model | 55i |
| Price | Upon Request |
| Measurement Principle | Back-Flush Gas Chromatography with Flame Ionization Detection (GC-FID) |
| Detection Target | CH₄ and Total Non-Methane Hydrocarbons (TNMHC) |
| Analysis Cycle | 70 seconds |
| Detection Limit | 0.050 ppm (as propane, 300-s average) |
| Zero Noise | 0.025 ppm RMS |
| Precision | ±2.0% of reading or ±50 ppb (whichever is greater) |
| Linearity | ±2% of span (10–100% full scale) |
| Operating Temperature | 15–35 °C |
| Power Requirement | 100–240 V AC, 50/60 Hz, 420 W |
| Dimensions | 42.5 × 21.9 × 58.4 cm (W×H×D) |
| Weight | 27.2 kg |
| Sample Flow Rate | ≥0.5 L/min |
| Carrier Gas | N₂ (25–50 mL/min) |
| Zero Air | 275–350 mL/min (hydrocarbon-free) |
| Fuel Gas | H₂ (25–50 mL/min) or H₂/He mix (100–150 mL/min) |
| Output Options | 0–20/4–20 mA (isolated), RS232/RS485, TCP/IP, 10 relay status outputs, power failure alarm |
| Input Options | 16-bit digital input (standard), 8–10 V analog input (optional) |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Model | Ambient Gas MS |
| Type | Fully Automated Ambient Air Quality Monitoring System |
| Compliance | EPA Reference/Equivalent Methods, CNAS-ISO/IEC 17025 Accredited Deployment, Meets China HJ 653–2013 & HJ 654–2013 Standards |
| Data Capture Rate | >90% (7-day rolling average) |
| Measurement Uncertainty | ≤1% deviation between acquired and true reference values |
| Output Interfaces | 0–10 V analog, RS-232/RS-485 bidirectional digital communication |
| Software Platform | ENVIDATA v5.x (Windows-based, 21 CFR Part 11 compliant audit trail option available) |
| Configuration | Central Station + Remote Substations + QA/QC Laboratory |
| Brand | Thermo Fisher Scientific |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Origin Category | Imported Instrument |
| Model | 43i |
| Pricing | Available Upon Request |
| Brand | Thermo Fisher Scientific |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Imported |
| Model | 450i |
| Instrument Type | Online Gas Analyzer |
| Target Analyte | Hydrogen Sulfide (H₂S) |
| Response Time (T₉₀) | 80 s |
| Measurement Accuracy | ±1% of reading or ±1 ppb (whichever is greater) |
| Measurement Ranges | 0–0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10 ppm |
| Extended Ranges | 0–0.5, 1, 2, 5, 10, 20, 50, 100 ppm |
| Mass Concentration Ranges | 0–0.2, 0.5, 1, 2, 5, 10, 25 mg/m³ and 0–2, 5, 10, 20, 50, 100, 200, 250 mg/m³ |
| Zero Noise | 1.0 ppb RMS (60-s averaging) |
| Limit of Detection (LOD) | 2.0 ppb (60-s averaging) |
| Zero Drift (24 h) | <1 ppb |
| Span Drift (24 h) | ±1% of full scale |
| Brand | Thermo Fisher Scientific |
|---|---|
| Origin | USA |
| Model | 51i |
| Detection Principle | Flame Ionization Detection (FID) |
| Measurement Range | 0–1 to 0–10,000 ppmC |
| LOD | 0.050 ppmC (10-sec avg) |
| Zero Drift (24h) | <0.50 ppmC |
| Span Drift (24h) | <2% of full scale or 0.20 ppmC (whichever is greater) |
| Response Time (90%) | 15 sec (1-sec avg) |
| Accuracy | ±2.0% of reading or ±0.1 ppmC (whichever is greater) |
| Linearity | ±2% of span (10–150% of full scale) |
| Sample Flow Rate | 0.75–1.50 L/min |
| Combustion Air Flow | 150–300 mL/min |
| Zero Air (HC-free) Flow | 10–35 mL/min (H₂) or 50–120 mL/min (H₂/He mixture) |
| Operating Temperature | 15–35 °C |
| Power | 100/115/220–240 VAC ±10%, 50/60 Hz, 420 W |
| Dimensions (W×H×D) | 425 × 219 × 584 mm |
| Weight | 22.7 kg |
| Outputs | Isolated 0–20 mA / 4–20 mA (optional), RS232/RS485, TCP/IP Ethernet, 10 status relays, power-fail alarm |
| Inputs | 16 digital inputs (standard), 8 analog inputs (0–10 VDC, optional) |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Model | Thermo Scientific 146i |
| Instrument Type | Online Calibrator |
| Target Gases | SO₂, NO₂, H₂S, NH₃, O₃, NO |
| Response Time | <60 s |
| Flow Measurement Accuracy | ±2% of reading or ±1% of full scale (whichever is lower, 20–100% FS) |
| Flow Linearity | ±0.5% of full scale |
| Flow Repeatability | ±2% of reading or ±1% of full scale (whichever is lower, 20–100% FS) |
| Zero Air Flow Options | 5, 10 (standard), or 20 SLPM |
| Span Gas Flow Options | 50, 100 (standard), or 200 SCCM |
| Permeation Oven Temperature Control | 30, 35, or 45 °C ±0.1 °C |
| Ozone Generator Output | 1 ppm @ 6 SLPM (stability & repeatability compliant with U.S. EPA requirements) |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Import Status | Imported |
| Model | Thermo Scientific 146i |
| Instrument Type | Online Calibration System |
| Calibrant Gases | SO₂, NO₂, H₂S, NH₃, O₃, NO |
| Response Time | <60 s |
| Flow Accuracy | ±2% of reading or ±1% of full scale (whichever is lower, at 20–100% FS) |
| Flow Linearity | ±0.5% of full scale |
| Flow Repeatability | ±2% of reading or ±1% of full scale (whichever is lower, at 20–100% FS) |
| Zero Air Flow Options | 5, 10 (standard), or 20 SLPM |
| Span Gas Flow Options | 50, 100 (standard), or 200 SCCM |
| Permeation Oven Temperature Control | 30, 35, or 45 °C ±0.1 °C |
| Ozone Generator Output | 1 ppm @ 6 SLPM (meets or exceeds U.S. EPA stability and reproducibility requirements) |