Gas Detector
Filter
Showing 1831–1860 of 2998 results
| Brand | Leshi |
|---|---|
| Origin | Beijing, China |
| Model | 9100CAL |
| Flow Accuracy | ±0.5% of reading, ±0.1% of full scale |
| Max Total Output Flow | 10 L/min |
| Standard Configuration | 2 MFCs (Zero Air + Calibration Gas) |
| Gas Compensation | Pre-loaded thermal mass flow compensation factors for common gases |
| Communication Interfaces | Analog (4–20 mA / 0–10 V), Modbus RTU (RS-485), Modbus TCP/IP |
| Software Features | Audit-trail-capable calibration logging, certificate ID tagging, traceable session records |
| Compliance | Designed for ISO/IEC 17025, EPA PS-1/PS-2, EN 15267, and QAL1/QAL2 validation workflows |
| Brand | LESHI |
|---|---|
| Origin | Beijing, China |
| Model | 9100CAL-F |
| Compliance | GB/T 5275.7–2014 (Dynamic Volumetric Method for Preparation of Calibration Gas Mixtures) |
| Flow Control Principle | Thermal Mass Flow Control (MFC) |
| Accuracy | ±0.1% of full scale (standard range) |
| Concentration Units | ppm, mg/m³, %Vol (software-switchable) |
| Humidity & Temperature Control | Integrated vaporizer with temperature lockout safety logic |
| Corrosive Gas Compatibility | HF, HCl, and other acid vapors via direct liquid injection + micro-steam generation |
| Portability | Integrated compact chassis with field-deployable carry case |
| Human-Machine Interface | Embedded 7-inch capacitive touchscreen HMI with gradient gas profile programming |
| Brand | Leshi |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | 9100FIR ODS |
| Technology Principle | Fourier Transform Infrared Spectroscopy (FTIR) |
| Detection Principle | DTGS Detector |
| Accuracy | ±2% |
| Target Gases | ≥51 regulated ODS compounds |
| Response Time | ≤90 s |
| Repeatability | 2% |
| Compliance Standard | HJ 1240–2021 |
| Brand | Leshi |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | 9100FIR-ODS |
| Technology Principle | Fourier Transform Infrared (FTIR) Spectroscopy |
| Target Gases | Ozone-Depleting Substances (ODS), Volatile Organic Compounds (VOCs) |
| Detector Type | High-Sensitivity DTGS Detector |
| Optical Resolution | ≤0.5 cm⁻¹ (typical) |
| Spectral Range | 4000–600 cm⁻¹ |
| Response Time | < 30 s (T₉₀, system-dependent) |
| Repeatability | ±1.5% RSD (at ≥10× detection limit) |
| Compliance Framework | Supports EPA Method TO-14A/TO-15, ISO 13867, EN 14662 |
| Brand | LESHI |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Portable FTIR Flue Gas Analyzer |
| Price | USD 155,000 (approx.) |
| Measurement Accuracy | ≤ ±2% FS |
| Repeatability | ≤ 1% RSD |
| Response Time | 1 scan/sec (adjustable based on resolution) |
| Baseline Stability | ≤ ±2% over 24 h |
| Quantitative Capability | ≥51 gases (simultaneous) |
| Qualitative Capability | ≥380 compounds (library-matched) |
| Spectral Resolution | 0.7–8 cm⁻¹ (software-selectable, unapodized) |
| Operating Sample Temperature | Up to 180 °C (hot-wet sampling) |
| Particle Filtration | <2 µm (dual-stage heated filter) |
| Detector | Room-temperature DTGS |
| Reference Source | VCSEL laser (10-year lifetime) |
| O₂ Sensor | Integrated zirconia sensor |
| Data Output | Real-time spectral + concentration + metadata (T, P, O₂, resolution) |
| Compliance | HJ 919–2017, HJ 920–2017, HJ 1011–2018, HJ 1240–2021, HJ 1330–2023 |
| Software Standards Support | ASTM D6348, US EPA Method 320, ISO 14912, UK EA TGN 15 |
| Brand | Leshi |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | 9100FIR-air |
| Price | USD 165,000 (FOB Beijing) |
| Measurement Principle | Fourier Transform Infrared (FTIR) Spectroscopy |
| Application Domain | Environmental Monitoring & Industrial Emissions Compliance |
| Accuracy | ±2% of reading |
| Repeatability | ±2% of full scale |
| Brand | LESHI |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | 9100FIRair |
| Detection Principle | Infrared Absorption Spectroscopy (FTIR) |
| Instrument Type | Portable |
| Typical Configuration | Multi-component VOC & Inorganic Gas Analyzer |
| Sampling Method | Pump-aspirated |
| Spectral Range | 485–8500 cm⁻¹ |
| Resolution Options | 1 cm⁻¹, 4 cm⁻¹, or 8 cm⁻¹ |
| Accuracy | ±2% of full scale |
| Response Time | <90 s (gas-dependent) |
| Brand | LESHI |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | 9100FIRair |
| Price | ¥1,180,000 CNY |
| Measurement Principle | Fourier Transform Infrared Spectroscopy (FTIR) |
| Detection Principle | Deuterated Triglycine Sulfate (DTGS) Detector |
| Accuracy | ±2% of reading |
| Target Gases | ≥51 quantified species (including CO₂, CH₄, N₂O, CO, SF₆, CFCs, VOCs, and inorganic acids) |
| Response Time | ≤90 s |
| Repeatability | ±2% RSD |
| Spectral Resolution Options | 1 cm⁻¹ or 4 cm⁻¹ |
| Detector Type | Ambient-Temperature DTGS |
| Reference Laser | VCSEL (Vertical-Cavity Surface-Emitting Laser), 10-year operational lifetime |
| Sample Handling | In-situ, hot/wet, non-destructive, multi-component simultaneous analysis |
| Compliance Standards | HJ 919–2017, HJ 920–2017, HJ 1011–2018 |
| Brand | Leshi |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | 9100FIRair-G |
| Technology Principle | Fourier Transform Infrared (FTIR) Spectroscopy |
| Detection Principle | Mid-Infrared Absorption Spectroscopy |
| Accuracy | ≤ ±2% FS |
| Repeatability | ≤ 2% RSD |
| Measured Gases | N₂O, CH₄, CO₂, SF₆, NF₃, CFCs (Chlorofluorocarbons), PFCs (Perfluorocarbons) |
| Simultaneous Quantification Capacity | Up to 50 compounds |
| Spectral Range | 485–8500 cm⁻¹ |
| Spectral Resolution | 1 cm⁻¹ (standard), optional higher/lower resolutions available |
| Sample Cell Volume | 300 mL |
| Detector | DTGS (Deuterated Triglycine Sulfate), room-temperature operation, >10-year lifetime |
| Reference Source | Solid-State VSECL Laser, >10-year lifetime |
| Quantitative Spectral Library | ≥400 compounds (freely accessible and user-expandable) |
| Qualitative Spectral Library | 5874 compounds |
| Software Features | Auto-ranging mode, user-defined calibration file creation, spectral library import/export, GLP-compliant data logging |
| Brand | Leshi |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Instrument Type | Portable |
| Detection Principle | Heated Flame Ionization Detection (HFID) |
| Measured Parameters | Methane (CH₄), Non-Methane Hydrocarbons (NMHC), Total Hydrocarbons (THC) |
| Measurement Ranges | Three selectable ranges (A/B/C) |
| Detection Limit | ≤0.05 mg/m³ |
| Repeatability | ≤1% of Full Scale Deflection (FSD) |
| Operating Temperature | Full-path heated to 191°C |
| Compliance | MCERTS Certified, CPA Verified, EU Directive 2008/50/EC, US EPA Method 25A & 25B compatible |
| Brand | LESHI |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | 9100HIR |
| Instrument Type | Portable Flue Gas Analyzer |
| Measurement Accuracy | ≤ ±2% FS |
| Repeatability | ≤ 2% FS |
| Response Time | T90 |
| Baseline Stability | ≤ 2% FS over 24 h |
| Measured Gases | >50 Species (O₂, CO, CO₂, NO, NO₂, N₂O, SO₂, CH₄, NH₃, H₂O, HCl, CH₂O, C₃H₈, etc.) |
| Optical Path Length | Up to 16 m |
| Detection Principle | High-Temperature Non-Dispersive Infrared (NDIR) Spectroscopy with Multi-Range Auto-Switching |
| Brand | Leshi |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | 9100QCLAS |
| Detection Gases & Ranges | CO₂ (0–10,000 ppm), CH₄ (0–100 ppm), N₂O (0–10 ppm), H₂O (0–30,000 ppm) |
| Detection Limits | CO₂ ≤ 0.1 ppm, CH₄ ≤ 2 ppb, N₂O ≤ 0.1 ppb |
| Measurement Principle | Tunable Quantum Cascade Laser Absorption Spectroscopy (QCLAS) with Fabry–Pérot Interferometer Reference and Dual-Path Calibration |
| Power Supply | Internal Rechargeable Li-ion Battery (≥8 h continuous operation) or 12–24 V DC |
| Display | 7-inch HD capacitive touchscreen with real-time spectral visualization |
| Data Output | USB, RS-232, Ethernet, optional 4G/LTE module |
| Compliance | Designed to support ISO 14064-2, EPA Method TO-15/TO-11A alignment, and GLP-compliant data logging per FDA 21 CFR Part 11 audit trail requirements |
| 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 | United Kingdom |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | AtmosFIR |
| Instrument Principle | Infrared Absorption Spectroscopy |
| Form Factor | Portable |
| Response Time | T90 |
| Repeatability | ±2% of full scale for CO, CO₂, NO, NO₂, HCN, HCl, HBr, HF, SO₂, Acrolein |
| Spectral Range | 400–5000 cm⁻¹ |
| Detector | Ambient-Temperature DTGS |
| Quantifiable Gases | Up to 50 components simultaneously |
| Spectral Library | >5000 reference spectra (400+ freely accessible) |
| Algorithms | PLS, CLS, ILS |
| Gas Expansion Capability | User-definable spectral library extension |
| Brand | Leshi |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | GIR320 |
| Detection Principle | Passive Mid-Wave Infrared (MWIR) Optical Gas Imaging (OGI) |
| Instrument Type | Portable |
| Configuration | Multi-gas VOC & hydrocarbon imaging detector |
| Sampling Method | Non-contact passive imaging |
| Temperature Range | −40 °C to 350 °C |
| Resolution | Adjustable spatial resolution (detector-limited) |
| Accuracy | Temperature-dependent radiometric calibration |
| Response Time | <60 s for transient plume detection |
| Brand | Leshi |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic |
| Model | GIR320 (VOC-Specific) |
| Detection Principle | Passive Mid-Wave Infrared (MWIR) Absorption Imaging |
| Instrument Type | Portable |
| Configuration | Integrated VOC-Specific OGI System |
| Temperature Range | −40 °C to 350 °C |
| Resolution | Adjustable (User-Selectable Spatial & Thermal Resolution) |
| Accuracy | Temperature-Dependent (Calibrated per ASTM E1934 & ISO 18434-1) |
| Response Time | <60 s (Initial Detection), 1–60 min (Quantitative Stabilization) |
| Brand | Leshi |
|---|---|
| Model | GIR320-Plus |
| Type | Portable Optical Gas Imaging (OGI) Camera |
| Detection Principle | Passive Mid-Wave Infrared (MWIR) Absorption Imaging |
| Temperature Range | −40 °C to 350 °C |
| Spatial Resolution | Adjustable (typical NETD < 30 mK) |
| Accuracy | Temperature-dependent, calibrated per ASTM E1934 and ISO 18434-1 |
| Response Time | < 60 s (alarm), 1–60 min (quantitative plume visualization) |
| Compliance | ATEX/IECEx Certified Intrinsically Safe (Zone 1/21), IP54 |
| Sensor | Cooled MWIR FPA detector (3.2–3.4 µm spectral band optimized for C–H bond absorption) |
| Onboard Storage | ≥64 GB SSD |
| Display | 3.2″ high-brightness color LCD (1280 × 720), rotatable electronic viewfinder |
| Battery Life | ≥3.5 h continuous operation (hot-swappable dual Li-ion packs) |
| Software Compatibility | Leshi OGI Suite v4.2 (supports ASTM D7520-compliant reporting, GLP audit trail, FDA 21 CFR Part 11 optional module) |
| Brand | Leshi |
|---|---|
| Origin | Beijing, China |
| Instrument Type | Portable |
| Detection Principle | Heated Flame Ionization Detection (HFID) with High-Temperature Catalytic Methane Scrubber |
| Compliance | HJ/T 38–2017, HJ 1012–2018, DB11/T 1367–2016, GB 18352.6–2016, GB 17691–2018, EN 12619, EN 13526, US EPA Compliant |
| Certification | CPA Certified, MCERTS Certified |
| Fuel Options | H₂/He mixture or pure H₂ |
| Zero Air Source | Integrated catalytic air purifier (no external zero air required) |
| Data Logging | Built-in recorder with IoT-enabled telemetry |
| Optional Modules | O₂, temperature, pressure, flow, humidity, PID/benzene speciation |
| Sample Line | Integrated heated sampling line (up to 180 °C) |
| Detection Limit | Sub-ppb range for THC (typical) |
| Response Time | T₉₀ < 3 s |
| Range Switching | Multi-range, auto-switching without power cycle |
| Filter | Removable PTFE particulate filter |
| Brand | LESHI |
|---|---|
| Model | SE300-Tech |
| Type | Portable Flue Gas Analyzer |
| Detection Principle | NDIR (CO, CO₂, HC, SO₂), Electrochemical (O₂, NO, NO₂, NH₃, H₂S), Optional NDUV (NO, NO₂, SO₂) |
| Gas Channels | Up to 6 simultaneously measurable gases (standard configuration) |
| Compliance | Designed for field-deployable combustion efficiency and emissions verification per ISO 12039, EN 15267, and EPA Method 6C/7E prerequisites |
| Power | Rechargeable Li-ion battery (≥4 hr continuous operation) |
| Display | 5.7" TFT LCD with touch interface |
| Data Storage | Removable MMC card (up to 32 GB) |
| Connectivity | USB 2.0, Bluetooth 4.2, optional RS-232 |
| Operating Temperature | 0–40 °C |
| Protection Rating | IP42 |
| Weight | ≤2.8 kg |
| Brand | LESHI |
|---|---|
| Origin | Beijing, China |
| Model | SE302 |
| Instrument Type | Portable |
| Detection Target | Single-component (CO₂) |
| Compliance | HJ 870–2017 |
| Detection Principle | Non-Dispersive Infrared (NDIR) |
| Display | Backlit LCD |
| Power Supply | Rechargeable Li-ion Battery |
| Data Output | USB interface, internal storage, optional portable printer |
| Sample Handling | Integrated diaphragm pump, stainless steel probe, dual-stage filtration, condensate removal system, mass flow control |
| Brand | LESHI |
|---|---|
| Origin | Beijing, China |
| Model | SE303 |
| Instrument Type | Portable |
| Detection Target | Single-component (CO) |
| Detection Principle | Electrochemical or NDIR (Non-Dispersive Infrared) |
| Measurement Ranges | 0–2000 ppm or 0–4.00% CO |
| Compliance | HJ/T 44–1999, HJ 973–2018 |
| Display | Backlit LCD |
| Sampling System | Integrated diaphragm pump, stainless steel probe, PTFE sampling hose, dual-stage filtration (particulate + moisture removal), flow meter |
| Data Output | USB interface, U-disk data export compatible with Excel |
| Optional Expansion | O₂ sensor module |
| 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 | SE305 |
| Type | Portable Flue Gas Analyzer |
| Detection Principles | Electrochemical (O₂, CO, NO, NO₂, SO₂) and Catalytic/Thermal Conversion (NO₂ → NO for NOx calculation) |
| Compliance | HJ 692–2014 (Determination of Nitrogen Oxides in Exhaust Gas from Stationary Sources — Potentiostatic Electrolysis Method) |
| Display | Backlit LCD with Single- or Multi-parameter View (O₂, CO, SO₂, NO, NO₂, NOₓ) |
| Sampling System | Integrated diaphragm pump, stainless-steel probe (with 12 ft PTFE-lined sampling hose), condenser, dual-stage particulate filter, mass flow meter, and onboard NO₂-to-NO converter |
| Optional Accessories | Continuous condensate drain module, external cooling/drying unit |
| Enclosure Rating | IP54 (dust-protected, splash-resistant) |
| Operating Temperature Range | 0–40 °C |
| Power Supply | Rechargeable Li-ion battery (≥6 h continuous operation) |
| Data Logging | Internal memory (≥10,000 records), USB export |
| Brand | Leshi |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Regional Classification | Domestic (China) |
| Model | SE307 |
| Instrument Type | Portable |
| Detection Principle | TDLAS (NH₃-specific 1.53 µm wavelength) |
| Minimum Detectable Concentration | <50 ppb |
| Response Time (T90) | <2 s |
| Optical Path Length | 30 m (multi-pass cell) |
| Wavelength Stability | Real-time peak-locking via integrated NH₃ reference cell |
| Output Interface | Digital RS-485 / USB |
| Data Storage | Internal SD card (≥16 GB) |
| Operating Temperature | −10 °C to +50 °C |
| Power Supply | Rechargeable Li-ion battery (≥8 h continuous operation) |
| Compliance | CE-marked, RoHS-compliant, meets IEC 61000-4 EMC immunity requirements |
| 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) |
| Brand | LESHI |
|---|---|
| Origin | Beijing, China |
| Model | SE330 |
| Instrument Type | Portable |
| Gas Targets | CO₂, CO, O₂ |
| Detection Principle | NDIR (CO₂), Electrochemical (CO & O₂) |
| Measurement Range | CO₂: 0–2000 ppm (standard), CO: 0–2000 ppm / 0–4.00% (dual-range), O₂: 0–25% vol |
| Sensor Lifespan | CO & O₂ sensors: 3–4 years |
| CO₂ NDIR detector | indefinite under contamination-free operation |
| Display | Backlit LCD touchscreen |
| Built-in Components | Sampling pump, particulate filter, flow meter, condensate removal system |
| Probe | Stainless-steel probe with flexible sampling hose |
| Compliance Context | Designed for field-deployable compliance with occupational hygiene standards (e.g., OSHA PELs, ACGIH TLVs), indoor air quality protocols (ISO 16000 series), and combustion efficiency assessment per EN 15316-4-2 and ASTM D7549 |
| Brand | Leshi |
|---|---|
| Model | SE350 |
| Type | Portable Gas Analyzer |
| Detection Principles | NDIR (CO, CO₂), Electrochemical (O₂), TCD (H₂, optional) |
| Gas Channels | Up to 4 simultaneous gases (configurable: CO, CO₂, O₂, CH₄, H₂) |
| Power Supply | Rechargeable Li-ion battery + AC adapter |
| Sampling System | Integrated diaphragm pump, flow meter, particulate filter, and sample line |
| Enclosure | IP65-rated ruggedized stainless-steel housing (chemically resistant grade) |
| Display | Backlit LCD with real-time concentration readouts |
| Output Options | 4–20 mA analog output, RS232/USB data interface, optional data logger |
| Compliance | Designed for industrial field use per IEC 61000-6-2/6-4 (EMC), ATEX Zone 2 / IECEx nA IIC T4 Ga (optional certification variant) |
| Operating Temperature | −10 °C to +50 °C |
| Storage Temperature | −20 °C to +60 °C |
| Relative Humidity | 0–95 % RH (non-condensing) |
| Brand | Leshi |
|---|---|
| Origin | USA |
| Model | THY-FDM |
| Detection Principle | Photoionization Detection (PID) |
| Instrument Type | Online Continuous Monitoring Detector |
| Configuration | Total Volatile Organic Compounds (TVOC) Analyzer |
| Detection Ranges | 0–10 ppm, 0–100 ppm, 0–1000 ppm, 0–10000 ppm (selectable full-scale) |
| Resolution | 0.01 ppm (at 0–10 ppm range), 0.1 ppm (at 0–100 ppm), 1 ppm (at 0–1000 ppm), 10 ppm (at 0–10000 ppm) |
| Accuracy | ±5% of Full Scale (FS) |
| Repeatability | ±5% FS |
| Response Time | T90 ≤ 30 seconds |
| Operating Temperature | −30 °C to +50 °C |
| Operating Humidity | 10–95% RH (non-condensing) |
| Atmospheric Pressure Range | 86–115 kPa |
| Power Supply | 24 VDC (18–28 VDC), current draw ≤ 100 mA |
| Power Consumption | <2.5 W |
| Enclosure Material | Die-cast aluminum with epoxy-polyester powder coating |
| Ingress Protection | IP66 |
| Explosion Protection | Ex d IIC T6 Gb |
| Dimensions (L×W×H) | 144 mm × 99 mm × 108.5 mm |
| Weight | 1.4 kg |
| Installation Options | Wall-mount, pipe-insertion, or gas-injection mounting |
| Output Signals | 4–20 mA (3-wire), RS-485 Modbus RTU (4-wire) |
| Cable Specifications | RVVP 3×1.0 mm² (4–20 mA), RVVP 4×1.0 mm² (RS-485) |
| Maximum Signal Transmission Distance | ≤ 1000 m |
| Sensor Lifetime | 2–3 years |
| Compatibility | Integrates with third-party DCS, PLC, and analog-input gas alarm controllers |
| Brand | LGR |
|---|---|
| Origin | USA |
| Model | DLT-100 (Benchtop), RMT-200 (Portable) |
| Detection Principle | Off-Axis Integrated Cavity Output Spectroscopy (Off-Axis ICOS) |
| Measurement Range | 0.3–25 ppm CH₄ |
| Precision | 1 ppb @ 1 Hz (ambient conditions) |
| Response Time | <0.05 s (with external pump), 25 s (internal pump) |
| Accuracy | Better than ±1% of reading |
| Operating Temperature | 0–50 °C |
| Relative Humidity | <98% RH, non-condensing |
| Data Output | RS-232, Analog (0–10 V / 4–20 mA), Ethernet |
| Data Storage | Internal 20 GB HDD + 12.1" color TFT display |
| Power | 115/230 V AC, 50/60 Hz, 80 W (excl. optional external pump) |
| Dimensions (Benchtop) | 25.4 × 96.5 × 35.56 cm |
| Dimensions (Portable) | 22.2 × 48.26 × 60.9 cm |
| Weight | 27 kg |
| Compliance | Designed for field-deployable, unattended operation |
| Brand | LGR |
|---|---|
| Origin | USA |
| Model Numbers | 907-0001, 908-0001, 911-0001 |
| Measurement Principle | Off-Axis Integrated Cavity Output Spectroscopy (OA-ICOS) |
| CH₄ Range (standard) | 0.1–100 ppm |
| CH₄ Range (extended) | up to 1000 ppm or 0–10% vol |
| H₂O Range | 7000–70000 ppm (0–100% RH) |
| Precision (1σ, 1 s) | CH₄: 1 ppb, H₂O: 100 ppm |
| Precision (1σ, 100 s) | CH₄: 0.3 ppb, H₂O: 30 ppm |
| Drift (24 h, EP model) | CH₄: 0.8 ppb, H₂O: max(100 ppm, 1% of reading) |
| Accuracy (uncalibrated) | <1% (standard), <0.03% (EP) |
| Sampling Rate | 0.01–20 Hz |
| Operating Temperature | 5–45 °C (standard), 0–45 °C (EP) |
| Power | 80 W (standard), 150 W (EP) |
| Dimensions & Weight | varies by configuration (e.g., rack-mount EP: 35.6 × 48.3 × 61 cm, 40 kg) |