Methane Non Methane Hydrocarbon Detector
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| Brand | ADEV |
|---|---|
| Model | GAS400 |
| Gas Detection Principle | Electrochemical (EC), Non-Dispersive Infrared (NDIR), Thermal Conductivity (TCD), Paramagnetic, Photoionization (PID) |
| Measurable Gases | CH₄, CO₂, O₂, CO, H₂S, H₂, SO₂, NO, NO₂, NH₃, SF₆, CₓHᵧ (HC), BrCH₃, SO₂F₂, Ar, He, N₂, Cl₂ (optional), etc. |
| Measurement Ranges | O₂ (0–100% vol), CH₄ (0–100% vol), CO₂ (0–100% vol), CO (0–5000 ppm), H₂S (0–10,000 ppm), H₂ (0–100% vol), SO₂/NO/NO₂ (0–2000 ppm), NH₃ (0–200 ppm), SF₆ (0–100% vol), HC (0–9999 ppm or 0–100% vol) |
| Accuracy | ±2% to ±2.5% FS depending on gas and sensor type |
| Response Time (T₉₀) | 15–30 s |
| Output | 4–20 mA, 0–10 mA, RS485 Modbus RTU |
| Alarm Outputs | Relay (265 VAC / 1 A), Visual/Audible Interface |
| Enclosure | 19" Rack-Mount (Online) |
| Operating Temp | –20 to +50 °C (Ambient), –10 to +600 °C (Flue Gas Probe, optional) |
| Power Supply | 220 VAC ±10%, 50 Hz ±5% |
| Dimensions (Online) | 483 × 303 × 177 mm |
| Weight (Online) | 5.0 kg |
| Brand | Aeris Technologies |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | MIRA LDS |
| Instrument Type | Portable |
| Sensitivity | CH₄ < 1 ppb/s, C₂H₆ < 500 ppt/s |
| Measurement Principle | Mid-Infrared Laser Absorption Spectroscopy |
| Path Length | 13 m in 60 mL sample cell |
| Detection Targets | CH₄, C₂H₆, H₂O (dry mole fraction reported) |
| Ethane/Methane Ratio Accuracy | ±0.02% (e.g., 4.42% ± 0.02%) |
| Drift (Ultra) | ≤2 ppb or 0.1% of reading across full temperature range |
| Operating Environment | 10–40 °C, 10–95% RH (non-condensing) |
| Data Output Rate | 1–2 Hz standard, up to 10 Hz optional |
| GPS Accuracy | High-precision embedded GNSS with magnetic-mount antenna |
| Power Consumption | 15–25 W depending on configuration |
| Dimensions & Weight | Pico (2.75 kg), Ultra Portable (6.5 kg), Strato (2.0 kg) |
| Data Storage | 32 GB internal (expandable) |
| Communication Interfaces | Wi-Fi, RS-232, USB, analog output (optional) |
| Brand | Annuo |
|---|---|
| Origin | Henan, China |
| Model | THB-8021 |
| Instrument Type | Portable |
| Detection Principle | Gas Chromatography with Flame Ionization Detection (GC-FID) |
| Measurement Range | 1.0–50,000 ppm (as methane or propane equivalent) |
| Detection Limit | 0.5 ppm (FID, ethane |
| Repeatability | ±2% at 100 ppm methane (FID) |
| Accuracy | ±10% of reading or ±1.0 ppm (FID, whichever is greater) |
| Response Time (FID) | ≤3.5 s to 90% of final value (10,000 ppm CH₄) |
| Recovery Time (FID) | ≤4.5 s to within 10% of baseline (10,000 ppm CH₄) |
| Dynamic & Linear Range (FID) | 1.0–50,000 ppm |
| Detector Lifetime (FID) | >5,000 h (with routine maintenance) |
| Power Supply | Internal rechargeable battery (10 h operation, 4 h charge) |
| Dimensions | 219 × 260 × 70 mm |
| Weight | 4.1 kg |
| Operating Temperature | −10 to +50 °C |
| Data Output | USB (TXT format), Bluetooth, optional 4G/GPS |
| Intrinsic Safety | Certified for Class I, Division 1 hazardous areas (per IECEx/ATEX standards) |
| Compliance | Designed to support LDAR (Leak Detection and Repair) programs per US EPA Method 21, ASTM D6420, and ISO 16000-29 |
| Brand | API |
|---|---|
| Model | N901 |
| Detection Principle | Gas Chromatography–Flame Ionization Detection (GC-FID) |
| Measured Parameters | Total Hydrocarbons (THC), Methane (CH₄), Non-Methane Hydrocarbons (NMHC) |
| NMHC Calculation Method | NMHC = THC − CH₄ |
| Detector Type | Flame Ionization Detector (FID) |
| Sample Inlet Filtration | Stainless Steel Sintered Filter |
| Control & Data Processing | Integrated NumaView™ Software (NVS), Standalone Operation |
| Compliance Context | Designed for EPA Method 25A, ASTM D6348, ISO 8573-5, and EU Directive 2008/50/EC ambient air monitoring requirements |
| Power Consumption | Low-power embedded architecture |
| Design Philosophy | Modular hardware, field-serviceable electronics, maintenance-minimized gas path |
| Brand | Asicotech |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | P5100-A6 |
| Instrument Type | Online Continuous Emission Monitoring System (CEMS) |
| Detection Limit | <10 ppb for NMHC |
| Compliance | HJ 1019–2019 “Technical Specification for Continuous Automatic Monitoring of Non-Methane Hydrocarbons in Ambient Air (Trial)” |
| Brand | Eranntex |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | OEM/ODM Producer |
| Country of Origin | China |
| Model | MS104K-C8H10 |
| Instrument Type | Portable Gas Detector |
| Detection Target | Xylene (C₈H₁₀) |
| Detection Principle | PID (Photoionization Detection), Catalytic Combustion, or Thermal Conductivity (selectable) |
| Detection Range | 0–10 ppm / 0–100 ppm (customizable) |
| Resolution | 0.01 ppm (0–100 ppm), 0.1 ppm (0–1000 ppm), 1 ppm (>1000 ppm) |
| Accuracy | ≤±3% FS |
| Response Time (T90) | ≤30 s |
| Recovery Time | ≤30 s |
| Display | 2.31″ 320×240 Color TFT Screen |
| Data Storage | 100,000 entries (real-time, timed, or alarm-triggered) |
| Power Supply | 3.7 V DC, 2100 mAh Rechargeable Polymer Battery |
| Operating Temp. | −40°C to +70°C |
| Humidity Range | 0–95% RH (non-condensing) |
| Temp. Measurement (optional) | −40°C to +70°C, ±0.5°C |
| Humidity Measurement (optional) | 0–100% RH, ±3% RH |
| Protection Rating | IP65 |
| Explosion-Proof Certification | Exia II CT4 Ga |
| Dimensions | 130 × 68 × 34 mm (L×W×H) |
| Weight | 200 g |
| Certifications | CMC (China Metrology Accreditation), GB Standard Compliance |
| Brand | Eranntex |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | MS104K-L-CxHy |
| Instrument Type | Portable |
| Brand | Genetec |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Type | Portable |
| Model | KB-6D |
| Compliance | HJ 732–2014, HJ 38–2017, HJ 604–2017 |
| Sampling Principle | Vacuum-assisted passive bag sampling with positive-pressure purge and negative-pressure draw |
| Power Supply | Rechargeable Li-ion battery (AC/DC compatible) |
| Flow Control | Adjustable sampling pump |
| Sample Interface | PTFE-filtered heated sampling probe |
| Tubing Material | Chemically inert (perfluoroalkoxy, PFA or equivalent) |
| Weight | Lightweight, field-portable design |
| Operating Mode | Manual valve-actuated purge-and-fill cycle |
| Brand | Junfang Lihua |
|---|---|
| Origin | Beijing, China |
| Model | JFQ-1150L |
| Measurement Principle | NDIR with optional thermal conductivity, electrochemical, or fluorescence detection modules |
| Gas Channels | Single-channel configurable |
| Measurable Gases | CH₄, C₃H₈, total hydrocarbons (HC), H₂, O₂, H₂S, SO₂, NH₃ (gas-specific module dependent) |
| Range | 0–100% vol (field-configurable) |
| Linearity Error | ≤ ±2% FS |
| Repeatability | ≤ ±1% FS |
| Zero Drift | ≤ ±1% FS / 48 h |
| Span Drift | ≤ ±1% FS / 48 h |
| Warm-up Time | ≤ 60 min |
| Response Time (T₉₀) | ≤ 60 s |
| Operating Humidity | ≤ 90% RH (non-condensing) |
| Power Supply | AC 220 V ±10%, 50 Hz ±5% |
| Output Signal | 4–20 mA analog |
| Enclosure | Rack-mountable embedded chassis with integrated sampling pump |
| Internal Temperature Control | Yes |
| Compliance | Designed to meet GB/T 16157, HJ 75–2017, HJ 76–2017, and ISO 12039 requirements for continuous emission monitoring systems (CEMS) |
| Brand | LUMEX |
|---|---|
| Origin | Canada |
| Model | BA-15 |
| Detection Principle | Atomic Absorption Spectrometry with High-Frequency Zeeman Background Correction |
| Measurement Range | 0.1 ng/m³ – 10,000 mg/m³ |
| Response Time | 1 sec (real-time) – 5 min (integrated mode) |
| Zero Drift Compensation | Automatic |
| Sample Flow Rate | 7–10 L/min |
| Dimensions | 470 × 110 × 210 mm |
| Weight | 7 kg (15.4 lb) |
| Power Supply | 90–240 VAC, 50/60 Hz or 12 VDC |
| Power Consumption | 40 W |
| Brand | New Cosmos |
|---|---|
| Origin | Japan |
| Model | XP-3310II |
| Instrument Type | Portable |
| Detection Principle | Catalytic Bead (Pellistor) |
| Measurement Range | 0–100% LEL |
| Accuracy | ±5% FS |
| Resolution | 0.1% LEL |
| Alarm Threshold | 20% LEL |
| Sampling Method | Built-in Pump (Active Draw) |
| Enclosure Rating | IP67 |
| Explosion Protection | Ex ia da IIC T4 Ga (Alkaline Battery) / Ex ia da IIC T3 Ga (Ni-MH Battery) |
| Operating Temperature | −20 to +50 °C |
| Operating Humidity | 0–95% RH (non-condensing) |
| Power Supply | 4 × AA Alkaline or Ni-MH Rechargeable Batteries |
| Weight | Approx. 460 g (with batteries) |
| Dimensions | 91 × 164 × 44 mm (W × H × D) |
| Brand | Ruinen Instruments |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM Manufacturer |
| Product Type | Online Gas Analyzer |
| Model | GC3900N |
| Detection Targets | Total Hydrocarbons (THC), Methane (CH₄), Non-Methane Hydrocarbons (NMHC) |
| Measurement Range | CH₄ (0.1–10,000 ppm), NMHC (0.05–10,000 ppm) |
| LOD | ≤0.1 ppm (CH₄), ≤0.05 ppm (NMHC) |
| Repeatability | RSD ≤2% |
| Cycle Time | ≤40 s (single-channel), ≤20 s (dual-channel) |
| Detector | FID (Flame Ionization Detector) |
| Carrier Gas | Ultra-High-Purity Nitrogen or Zero-Air (≥99.999%) |
| Fuel Gas | Ultra-High-Purity Hydrogen (≥99.999%) |
| Make-up/Support Air | Zero-Air (hydrocarbon <20 ppb) |
| Sampling | Automated Six-Port Valve with Fixed-Volume Loop |
| Sample Temp. Range | Ambient to 180 °C |
| Sample Flow Rate | ≥0.5 L/min or Pressure ≥0.1 MPa |
| Particle-Free Requirement | Yes |
| Form Factor | 6U 19″ Rack-Mount Chassis |
| Power | <400 W, 220 V AC / 50 Hz |
| Analog Output | 4–20 mA |
| Digital Interface | RS232 / RS485 |
| Operating Environment | –10 to +50 °C, 10–100% RH |
| Brand | WAYEAL |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | AQ7800 |
| Instrument Type | Online Fixed-Station Analyzer |
| Detection Principle | Gas Chromatography with Flame Ionization Detection (GC-FID) |
| Measurement Method | Direct Analysis (Non-Preconcentration Bypass Mode with Cold Trap Preconcentration Option) |
| Detection Limit | ≤1 ppbC (as Carbon) |
| Compliance | HJC-ZY84-2020 |
| Brand | WAYEAL |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | PA2000 |
| Instrument Type | Portable |
| Detection Principle | Catalytic Oxidation + Flame Ionization Detection (FID) |
| Regulatory Compliance | HJ 1012–2018 |
| Detection Limit | Sub-ppb (NMHC) |
| Analysis Cycle | As low as 5 seconds |
| Operating Temperature | Full-path high-temperature heating (≥180 °C) |
| Methane Separation Method | High-efficiency catalytic oxidation (≥98% conversion efficiency) |
| Catalyst Lifetime | ≥3 years |
| Oxygen Measurement | Integrated paramagnetic/O₂ sensor |
| Weight | ~13 kg |
| Carrier Gas | Not required |
| Combustion Air | Built-in compressor — no external air supply needed |
| Brand | WAYEAL |
|---|---|
| Origin | Anhui, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | VM1700 |
| Instrument Type | Online Continuous Emission Monitoring System (CEMS) |
| Detection Principle | Gas Chromatography–Flame Ionization Detection (GC-FID) |
| Target Analytes | Methane (CH₄), Total Hydrocarbons (THC), Non-Methane Hydrocarbons (NMHC), and selected BTEX compounds |
| Sample Path Temperature | 175 °C (fully heated from probe to detector) |
| Compliance | Certified by China National Environmental Monitoring Centre (CNEMC) for CEMS applicability testing |