Environmental Monitoring Instruments
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| Brand | PERIC |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Manufacturer |
| Product Category | Domestic |
| Model | Customized 4 |
| Pricing | Upon Request |
| Brand | PERIC |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | Customized 7 |
| Quotation | Upon Request |
| Repeatability | 2% F.S. |
| Resolution | 0.01% VOL |
| Response Time | ≤30 s |
| CO₂ Measurement Range | (0–10)% VOL |
| Measurement Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) |
| Accuracy | ±2% F.S. |
| Operating Ambient Temperature | −20 °C to +55 °C |
| Brand | PERIC |
|---|---|
| Model | EMO-HJV |
| Origin | Hebei, China |
| Manufacturer Type | OEM/ODM Producer |
| Country of Origin | China |
| Power Supply | AC 220 V ±10%, with built-in rechargeable battery supporting ≥6 hours operation during power outage |
| Sampling Method | Active pump-driven aspiration with integrated hydrophobic dust/water filter |
| Communication Interfaces | 4G LTE (Cat 1), Ethernet (RJ45), LoRaWAN (optional), RS485 (Modbus RTU) |
| Local Storage | MicroSD card slot (up to 32 GB) |
| Data Upload Protocol | MQTT/HTTP over TLS 1.2 |
| Remote Capabilities | OTA firmware update, remote zero/span calibration, drift compensation algorithm |
| Data Integrity | 断点续传 (Resume-on-Interruption) with local queue buffering |
| Expandability | Optional meteorological module (wind speed/direction, temperature, humidity, pressure, rainfall) |
| Compliance | Designed per IEC 61326-1 (EMC), EN 50270 (gas detection equipment), and aligned with technical requirements of China’s HJ 653–2013 and HJ 93–2013 for ambient air monitoring stations |
| Detection Parameters & Ranges | PM₂.₅ (0–1000 µg/m³, resolution: 1 µg/m³), PM₁₀ (0–1000 µg/m³, resolution: 1 µg/m³), CO (0–12.5 µmol/mol, resolution: 0.01 µmol/mol), SO₂ (0–1000 nmol/mol, resolution: 1 nmol/mol), NO₂ (0–1000 nmol/mol, resolution: 1 nmol/mol), O₃ (0–1000 nmol/mol, resolution: 1 nmol/mol), VOCs (0–50 µmol/mol, resolution: 1 nmol/mol) |
| Sensor Technologies | Optical scattering (PM), electrochemical (CO, SO₂, NO₂, O₃), photoionization detection (PID) for VOCs, NDIR for CO₂ (optional) |
| Brand | PERIC |
|---|---|
| Model | EMO-YC |
| Origin | Hebei, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Certification | CCEP, CPA, CMA |
| Measurement Principle | Laser Light Scattering |
| Particle Range | TSP/PM10/PM2.5: 0–10 mg/m³ |
| LOD | 0.001 mg/m³ |
| Accuracy | ±10% |
| Temp. Range | −40–80 °C (±0.3 °C) |
| RH Range | 0–100% RH (±3% RH) |
| Wind Speed | 0–30.0 m/s (0.1 m/s res.) |
| Wind Direction | 0–360° (8-sector) |
| Barometric Pressure | 300–1100 hPa (1 Pa res.) |
| IP Rating | IP54 |
| Power Input | AC 220 V |
| Data Transmission | 4G Cellular + Optional Wired Ethernet |
| Operating Temp. | −20–70 °C |
| Humidity Limit | ≤95% RH non-condensing |
| Brand | PERIC |
|---|---|
| Model | EO-VD |
| Detection Principle | Photoionization Detection (PID) |
| Measurement Target | Total Volatile Organic Compounds (TVOC), including benzene, aliphatic hydrocarbons, and alkanes |
| Power Supply | AC 220 V ±10%, 50/60 Hz |
| Protection Rating | IP66 |
| Explosion Protection | Ex d IIC T6 Gb |
| Communication Interface | 4G LTE + Ethernet (RJ45) |
| Alarm Output | Visual (LED strobe) + Audible (≥85 dB at 1 m) |
| Data Protocol | HJ 212–2017 (China EPA Standard) |
| Operating Temperature | −10 °C to +55 °C |
| Relative Humidity | ≤93 % RH (non-condensing at 25 °C) |
| Atmospheric Pressure Range | 86–106 kPa |
| Response Time (T90) | ≤20 s |
| Accuracy | ±10 % of Full Scale (FS) |
| Display | High-resolution color LCD (≥3.5″, 320×240 pixels) |
| Sensor Configuration | Triple-sensor simultaneous monitoring (customizable VOC selectivity) |
| Calibration Gas | Isobutylene (default), traceable to NIST or equivalent national standards |
| Typical Measurement Ranges | 0–20, 0–50, 0–200, 0–2000 μmol/mol or 0–50, 0–125 mg/m³ (selectable) |
| Display Resolution | 0.1 or 1 μmol/mol |
| Brand | PERIC |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | Customized FTIR-Based Remote Toxic Gas Detection and Alarm System |
| Pricing | Upon Request |
| Detector Type | Cooled HgCdTe (MCT) |
| Maximum Detection Range | 4.28 km |
| Spectral Resolution | 1.6 cm⁻¹ |
| Spectral Acquisition Rate | 20 Hz |
| Operating Temperature Range | −40°C to +65°C |
| Enclosure Rating | IP66 |
| Dimensions (L×W×H) | 370 × 320 × 500 mm |
| Weight | 28 kg |
| Explosion-Proof Certification | Certified |
| Detectable Gases | ≥10 toxic/hazardous gases (e.g., SF₆, NH₃, HCl, HF, CO, CH₄, VOCs) |
| Minimum Detectable Column Density | 32 mg/m² for SF₆ (at 5°C target-background thermal contrast) |
| Alarm Response Time | ≤1 s |
| Gas Identification Capability | Multi-component analysis under spectral overlap conditions |
| Imaging Mode | Pseudocolor IR gas cloud overlay with visible-light co-registration |
| Calibration | Automated blackbody reference calibration |
| Deployment Options | Fixed-mount or vehicle-mounted |
| Brand | PERIC |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | OEM/ODM Producer |
| Country of Origin | China |
| Model | G-WA10 |
| Pricing | Upon Request |
| Detection Principles | Electrochemical, Infrared (IR), Catalytic Combustion, Thermal Cracking + IR |
| Supported Gases | >30 toxic, flammable, and corrosive gases including NH₃, NF₃, SiH₄, AsH₃, B₂H₆, PH₃, H₂S, Cl₂, HF, HCl, HBr, SO₂, O₃, CO, NO, O₂, CH₄, C₂H₂, C₂H₄, C₃H₆, H₂, D₂, C₄F₆, CH₃F, CH₂F₂, COS, IPA, TEOS, GeH₄, ClO₂, CH₃ClO₂S |
| Sampling | Integrated diaphragm pump with flow & pressure monitoring and auto-adaptive regulation |
| Sensor Architecture | Modular, hot-swap intelligent sensors with offline calibration capability |
| Brand | PERIC |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GAF X8-II |
| Pricing | Upon Request |
| Display | 4.3-inch HD TFT LCD |
| Communication | LoRa wireless protocol (sub-GHz ISM band, up to 5 km line-of-sight range) |
| Output Interface | Digital output (isolated relay or 4–20 mA configurable) |
| Application Domain | Confined-space occupational health monitoring, tunneling (e.g., shield TBM construction), underground infrastructure safety management |
| Compliance Context | Designed for deployment in environments requiring adherence to OSHA 1910.120 (HAZWOPER), ISO 17025-accredited field measurement workflows, and GLP-aligned data integrity practices |
| Brand | PERIC |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | Domestic (China) |
| Model | GAP X2 P |
| Price | Upon Request |
| Detection Gases | Combustible Gas (EX), Hydrogen Sulfide (H₂S), Carbon Monoxide (CO), Oxygen (O₂) |
| Measurement Ranges | 0–100% LEL (EX), 0–100 ppm (H₂S), 0–1000 ppm (CO), 0–30% VOL (O₂) |
| Accuracy | ≤±5% FS (EX), ±10% (CO), ±5 µmol (H₂S) |
| Response Time | ≤45 s |
| Operating Temperature | −20 °C to +50 °C |
| Dimensions & Weight | 160 × 80 × 60 mm / 0.4 kg |
| Display | 3.5″ IPS, 320 × 480 resolution, bilingual (English/Chinese) |
| Power | 4600 mAh Li-ion battery, standby >9 h |
| Ingress Protection & Certification | IP66, Ex ib IIB T3 Gb |
| Alarm Modes | Audible (≥85 dB), visual (high-brightness LED), and vibration |
| Data Logging | 3000-event alarm memory |
| Sampling Method | Integrated micro-diaphragm pump (pump-suction) |
| Charging Interface | Micro-USB, compatible with portable power banks |
| Brand | PERIC |
|---|---|
| Model | GAP X4 |
| Gas Detection Channels | CH₄ (0–100% LEL), O₂ (0–30.0% vol), CO (0–500 ppm), H₂S (0–100 ppm) |
| Detection Principles | Catalytic combustion (CH₄), electrochemical (O₂, CO, H₂S) |
| Sampling Method | Diffusion |
| Response Time (T₉₀) | ≤60 s for all gases |
| Accuracy | ±5% FS (CH₄), ±3% FS (O₂), ±10% relative (CO, H₂S) |
| Display Resolution | 1% LEL / 0.1% vol / 1 ppm / 1 ppm |
| Alarm Thresholds (Configurable) | CH₄: 25% LEL |
| O₂ | Low 19.5% vol, High 23.5% vol |
| CO | 24 ppm |
| H₂S | 18 ppm |
| Power | Rechargeable 3.7 V Li-ion battery (103450 type) |
| Operating Temp | −10 °C to +55 °C |
| Operating Humidity | 0–95% RH (non-condensing) |
| Ingress Protection | IP65 |
| Explosion Protection | Ex ib IIB T3 Gb per GB 3836.1–2010 & GB 3836.4–2010 |
| Brand | PERIC |
|---|---|
| Model | GAP-D10 |
| Type | Portable Gas Analyzer |
| Measurement Principle | Tunable Diode Laser Absorption Spectroscopy (TDLAS) |
| Measurand | NH₃ |
| Range | 0–100 ppm / 0–1000 ppm (switchable) |
| Detection Limit | <50 ppb (typical, 1σ, 1-s averaging) |
| Sampling Flow Rate | ≥2.8 L/min |
| Response Time (T₉₀) | ≤30 s |
| Operating Temperature | −10 °C to +50 °C |
| Relative Humidity | 0–95 % RH (non-condensing) |
| Accuracy | ≤±1 % FS |
| Power Supply | 220 V AC, 50 Hz |
| Enclosure Rating | IP54 |
| Optical Path | Heated Multi-Pass Gas Cell |
| Signal Processing | Digital Lock-in Amplifier with 2f-WMS Demodulation |
| Brand | PERIC |
|---|---|
| Model | GAP-O3 |
| Measurement Principle | UV Absorption (254 nm) |
| Detection Range | 0–1000 nmol/mol |
| Detection Limit | ≤1 nmol/mol |
| Accuracy | ±3% FS |
| Repeatability | ≤1% |
| Response Time (T90) | ≤20 s |
| Zero Drift (4 h) | ±2 nmol/mol |
| Span Drift (4 h) | ±4 nmol/mol |
| Operating Temperature | 5–40 °C |
| Relative Humidity | ≤85% RH |
| Display | 5-inch capacitive touchscreen |
| Power Supply | DC 12 V (with internal rechargeable Li-ion battery) |
| Compliance | Designed for continuous ambient and industrial process monitoring per ISO 13964, ASTM D5012, and EPA Reference Method EQOA-01 |
| Brand | PERIC |
|---|---|
| Model | GHB-X4 |
| Gas Detection Channels | O₂, CO, H₂S, Combustible Gas (CH₄-calibrated) |
| Measurement Principle | Electrochemical (CO, H₂S), Catalytic Bead (Combustible), Zirconia/Galvanic (O₂) |
| Power Supply | 3.7 V Li-ion (Detector: 5000 mAh |
| Magnetic Battery Pack | 27,000 mAh) |
| Intrinsic Safety Rating | Ex ib IIC T3 Gb per GB/T 3836.1–2021 & GB/T 3836.4–2021 |
| Operating Frequency Band | 410.15–493.125 MHz (default 430.125 MHz) |
| Max Transmit Power | 22.0 dBm |
| Receiver Sensitivity | −147 dBm (typ.) |
| LoRa Modem | SX1262-based |
| Network Topology | Self-organizing multi-hop mesh via repeaters |
| Default Upload Interval | 5 min |
| Standby Duration | ≥24 h (detector only), ≥7 days (with magnetic battery pack) |
| Charging Protocol Support | QC3.0 / FCP / SCP / VOOC / AFC (18 W fast charge) |
| Alarm Output | Dual-tone voice alert + dual-color LED flash + local buzzer |
| Environmental Rating | IP65 (detector unit) |
| Compliance | Meets GB/T 3836 series for intrinsic safety |
| Brand | PERIC |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | Domestic (China) |
| Model | GX-C100X |
| Pricing | Upon Request |
| Brand | PERIC |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | Domestic (China) |
| Model | OX-01 |
| Pricing | Available Upon Request |
| Oxygen (O2) Detection Principle | Zirconia Electrochemical Cell |
| O2 Range | 90–100 % vol |
| O2 Resolution | 0.01 % |
| CO2 Detection Principle | NDIR (Non-Dispersive Infrared) |
| CO2 Range | 0–2000 ppm |
| CO2 Resolution | 0.1 ppm |
| CO Detection Principle | Electrochemical Sensor |
| CO Range | 0–50 ppm |
| CO Resolution | 0.1 ppm |
| Cl₂ Detection Principle | Electrochemical Sensor |
| Cl₂ Range | 0–10 ppm |
| Cl₂ Resolution | 0.1 ppm |
| Dew Point Temperature Measurement Principle | Capacitive Hygrometry |
| Dew Point Range | –60 to +20 °C |
| Dew Point Resolution | 0.01 °C |
| Particulate Matter (PM) Detection Principle | Laser Light Scattering |
| PM Range | 0–1 mg/m³ |
| PM Resolution | 0.001 mg/m³ |
| Display | 5.6-inch high-resolution TFT LCD |
| Data Logging | Internal storage with timestamped records |
| Portability | Handheld, battery-operated design for field deployment |
| Brand | PERIC |
|---|---|
| Model | PR-CEMS-100 |
| Origin | Hebei, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Regional Classification | Domestic (China) |
| Pricing | Available Upon Request |
| Measurement Principles | UV Differential Optical Absorption Spectroscopy (UV-DOAS), Non-Dispersive Infrared (NDIR), Electrochemical Sensing |
| Measured Gases | SO₂, NO, NO₂, CO, CO₂, O₂, CH₄ (optional) |
| Sample Flow Rate | 60–100 L/min |
| Response Time | ≤30 s |
| Accuracy | ≤±2% FS |
| Zero/ Span Drift | <±2% FS/week |
| S/C Ratio Calculation | Supported |
| Environmental Rating | Marine-grade (salt fog, vibration, acceleration/deceleration) |
| Compliance | MARPOL Annex VI, GB 15097–2016, GD01–2011 |
| Certifications | Recognized by Major Classification Societies (e.g., CCS, DNV, LR, ABS) |
| Output Interfaces | 4–20 mA analog, Modbus TCP/RTU |
| Optional Enclosure | Climate-controlled cabinet with HVAC |
| Brand | PERIC |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | OEM Producer |
| Country of Origin | China |
| Model | PR-CH4-1000 |
| Measurement Range | 0–1000 ppm CH₄ (customizable) |
| Repeatability | ≤ ±1% FS |
| Flow Rate | 1 L/min ±10% |
| Accuracy | ≤ ±1% FS |
| Stability | ≤ ±1% FS/week |
| Operating Temperature | 0–50 °C |
| Relative Humidity | ≤90% RH (non-condensing) |
| Brand | PERIC |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | Custom-Built |
| Pricing | Available Upon Request |
| Brand | PERIC |
|---|---|
| Origin | Hebei, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | YWT-2024 |
| Pricing | Upon Request |
| Detection Principle | Light Scattering (Multi-Path Compensated) |
| Portability | Portable |
| Application Scope | Marine Engineering, Hydraulic Systems, Engine Rooms, and Industrial Enclosures |
| Target Aerosol Size Range | 1–10 µm |
| Measurement Range | 0–5 mg/L |
| Resolution | 0.01 mg/L |
| Output Interface | RS485 |
| Power Supply | 24 VDC |
| Ingress Protection Rating | IP56 |
| Operating Temperature | 0–70 °C |
| Compliance | IACS Unified Requirement UR67 (Oil Mist Detection in Main Engine Crankcases) |
| Brand | PerkinElmer |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Origin Category | Imported |
| Model | Mobile Environmental Monitoring System |
| Pricing | Available Upon Request |
| Brand | PerkinElmer |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Imported |
| Model | TrasION 1080 ICP-MS |
| Pricing | Available Upon Request |
| Brand | Pfeiffer Vacuum |
|---|---|
| Origin | Germany |
| Model | QMG 250 M1 |
| Detection Principle | Quadrupole Mass Spectrometry (QMS) |
| Configuration Type | Benchtop Modular System |
| Mass Range | 1–300 u |
| Detection Limit | <1×10⁻¹⁴ mbar (typical for H₂) |
| Response Time | ≤1 s (for major species under optimized inlet conditions) |
| Repeatability | ±0.5% RSD for H₂, O₂, CO₂ at stable vacuum and temperature |
| Operating Vacuum Range | 1×10⁻⁹ – 1×10⁻³ mbar (with turbomolecular pumping) |
| Interface | Capillary Inlet (standard), optional heated transfer line |
| Compliance | CE, RoHS, ISO 9001 manufacturing environment |
| Software | PV MassSpec v3.x (supports ASTM E1946-22 data reporting templates, GLP-compliant audit trail, 21 CFR Part 11 optional module) |
| Origin | Shanghai, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Models | PFS-80 (Benchtop), PFP-208 (Portable) |
| Measurement Range | 0–6.00 pF |
| Accuracy | ±0.02 pF |
| Temperature Compensation Range | 0–60 °C |
| pH Measurement Range | 0.00–14.00 (±0.01) |
| mV Range | ±1999 mV (±0.1%) |
| Output Signal | –1999 to +1999 mV |
| Power Supply | AC 220 V ±10%, 50/60 Hz |
| Battery | 9 V (6F22) |
| Net Weight | 1.8 kg (PFS-80), 0.5 kg (PFP-208) |
| Stability | ±0.01 pF/30 min |
| Brand | PhenoSpex |
|---|---|
| Origin | Netherlands |
| Model | DroughtSpotter |
| Configuration Options | 12- or 24-unit modular system |
| Max Load per Unit | 7 kg (customizable) |
| Weighing Accuracy | ±0.02% of full scale |
| Irrigation Precision | ≤1 g per event |
| Pot Compatibility | Diameter up to 20 cm |
| Height options | 10–50 cm (customizable) |
| Environmental Sensors | PAR, air temperature, relative humidity, VPD |
| Data Output Format | CSV |
| Remote Access | Web-based interface + SSH protocol |
| Operating Temperature | 4–40 °C |
| Relative Humidity Range | 40–80% RH |
| IP Rating | IP65 |
| Data Storage Capacity | Up to 10,000 days of high-frequency measurements |
| Software Platform | Cross-platform (Windows, macOS, Linux-compatible web client) |
| Origin | UK |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | PhoCheck Tiger |
| Instrument Type | Portable |
| Configuration | Multi-Gas VOC Detector |
| Detection Range | 1 ppb to 20,000 ppm (or 20,000 mg/m³) |
| Resolution | 1 ppb (0.001 mg/m³) |
| Accuracy | ±5% of reading or ±1 digit |
| Response Time | <10 s |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported Instrument |
| Model | EP |
| Pricing | Available Upon Request |
| Brand | PhyMetrix |
|---|---|
| Origin | USA |
| Model | PGA520 |
| Instrument Type | Online Analyzer |
| Detection Target | Single-component (CO₂) |
| Repeatability | ≤ ±1% F.S. |
| Resolution | 0.1 ppm or 0.01% |
| Response Time | T90 ≈ 0.15 s (@ 1 SCFH) |
| Linearity Error | ≤ ±2% F.S. (excluding calibration gas uncertainty) |
| Measurement Ranges | 0–5000 ppm, 0–5%, 0–20%, 0–100% CO₂ (field-selectable) |
| Minimum Resolution | 0.01 ppm or 0.01% |
| Warm-up Time | <2 min (to operational readiness) |
| Operating Temperature | 0–40 °C with full-range temperature compensation |
| Power Supply | 110–220 VAC or 12–36 VDC |
| Dimensions | 200 mm (H) × 80 mm (W) × 102 mm (D) |
| Weight | 1.5 kg |
| Inlet/Outlet Fitting | 1/4" compression fitting (male thread) |
| Enclosure Rating | IP67 |
| Brand | PhyMetrix |
|---|---|
| Origin | USA |
| Model | PGA620 |
| Instrument Type | Portable |
| Detection Target | Single-component (CO₂) |
| Repeatability | ≤ ±1% FS |
| Resolution | 0.1 ppm or 0.01% |
| Response Time | T90 ≈ 0.15 s (@ 1 SCFH) |
| Linearity Error | ≤ ±2% FS (excluding calibration gas uncertainty) |
| Measurement Principle | Non-Dispersive Infrared (NDIR) |
| Range Options | 0–5000 ppm, 0–5%, 0–20%, 0–100% CO₂ |
| Zero Drift | ±2% FS |
| Operating Temperature | 0–45 °C |
| Power Supply | Rechargeable Li-ion battery |
| Interface | USB Type-C |
| Data Storage Capacity | Up to 10,000 records with timestamped logging |
| Housing Material | Anodized magnesium-aluminum alloy |
| Dimensions | 180 × 142 × 146 mm (H × W × D) |
| Weight | 2.1 kg |
| Inlet Fitting | 1/8" compression fitting |
| Compliance | GB/T 23938–2009 (High-Purity CO₂), GB 10621–2006 (Food-Grade Liquid CO₂) |
| Brand | Picarro |
|---|---|
| Origin | USA |
| Model | G2203 |
| Detection Principle | Cavity Ring-Down Spectroscopy (CRDS) |
| Target Gases | Methane (CH₄) and Acetylene (C₂H₂) |
| Measurement Sensitivity | Sub-ppb |
| Response Time | <2 seconds |
| CH₄ Precision (2-s) | 3 ppb |
| C₂H₂ Precision (2-s) | <0.6 ppb |
| CH₄ Drift (8-h, STP) | <4 ppb |
| C₂H₂ Drift (8-h, STP) | <1.5 ppb |
| Environmental Stability | Engineered for minimal thermal drift across −10 °C to +45 °C operating range |
| Brand | Picarro |
|---|---|
| Origin | USA |
| Model | G2307 |
| Portability | Portable |
| Response Time | < 5 s |
| Repeatability | H₂CO, CH₄, and H₂O |
| Measurement Principle | Cavity Ring-Down Spectroscopy (CRDS) |
| Detection Limits (3σ, 300 s) | 0.18 ppb (H₂CO), 0.3 ppb (CH₄) |
| Long-Term Drift (24 h, STP) | 1.5 ppb (H₂CO) |
| Temperature Control Stability | ±0.005 °C |
| Pressure Control Stability | ±0.0002 atm |
| Sample Flow Rate | ~400 sccm at 760 Torr |
| Operating Temperature Range | 10–35 °C |
| Dimensions (Analyzer) | 43.2 × 17.9 × 44.6 cm |
| Weight (Analyzer) | 21.3 kg |