Volatile Organic Compounds Detector
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| Brand | SkyRay Instrument |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | TVOC-800 |
| Detection Principle | Photoionization Detection (PID) |
| Instrument Type | Portable |
| Typical Configuration | TVOC Analyzer |
| Detection Range | 0–20 / 200 / 1000 ppm (field-selectable) |
| Resolution | ≤10 ppb |
| Accuracy | ≤±10% of Full Scale |
| Response Time | ≤20 s |
| Brand | Skyray Instrument |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable Gas Analyzer |
| Configuration | TVOC Detection System |
| Detection Principle | Flame Ionization Detection (FID) + Photoionization Detection (PID) |
| FID Range | 0–50,000 ppm |
| PID Range | 0–4,000 ppm |
| FID Resolution | 0.5 ppm |
| PID Resolution | 0.1 ppm |
| FID Accuracy | ±5% of reading or ±3 ppm (whichever is greater) |
| PID Accuracy | <±5% |
| FID T90 Response Time | ≤3.5 s |
| PID T90 Response Time | <3 s |
| Zero Recovery Time | ≤4 s |
| Battery Life | ≥10 h |
| H₂ Cylinder Capacity | 100 mL @ 20 MPa |
| H₂ Runtime | >12 h (full charge) |
| Ignition System | Dual spark igniters |
| Displayed Parameters | Flame temperature, battery level, pump power, H₂ pressure |
| CPU | Octa-core Cortex-A53 (64-bit, 2.3 GHz) |
| Memory | 64 GB ROM + 4 GB RAM, expandable via 128 GB microSD |
| OS | Android 9.0 |
| Connectivity | USB Type-C, Wi-Fi 802.11 a/b/g/n, Bluetooth 4.0 |
| Brand | SkyRay Instrument |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | VOC-2000 |
| Detection Principle | Photoionization Detection (PID) |
| Instrument Type | Portable |
| Typical Configuration | Total VOC (TVOC) Analyzer |
| Measurement Range | 0–40,000 ppm (isobutylene equivalent) |
| Resolution | 0.1 ppm |
| Accuracy | ±10% of reading |
| Response Time (T90) | <4 seconds |
| Operating System | Android-based embedded OS |
| Display | 4-inch capacitive touchscreen |
| Compliance | HJ 1019–2019 (China Technical Guideline for Sampling VOCs in Soil and Groundwater) |
| Data Export | USB mass storage & wireless (Wi-Fi/Bluetooth) |
| Connectivity | Built-in Wi-Fi, Bluetooth 4.2, QR code sharing |
| Power | Rechargeable Li-ion battery (≥8 h typical operation) |
| Environmental Rating | IP54 |
| Weight | ≤420 g |
| Brand | SkyRay Instrument |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable |
| Detection Principle | Flame Ionization Detection (FID) |
| Configuration | Total VOC Analyzer |
| Measurement Range | 0–500,000 ppm |
| Resolution | 0.5 ppm |
| Accuracy | ±0.5% of reading |
| Response Time (T90) | 3.6 s |
| Compliance | GB 37822–2019, HJ 733–2014 |
| Brand | SkyRay Instrument |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | VOC-3800 |
| Detection Principle | Flame Ionization Detection (FID) & Photoionization Detection (PID) |
| Instrument Type | Portable |
| Configuration | Dual-sensor VOC Analyzer (FID + PID) |
| Response Time | FID: ≤3.5 s, PID: ≤3.5 s |
| Safety Certification | Intrinsically Safe (Ex ib IIB T4 Gb) |
| Hydrogen Supply | Solid-state hydrogen storage cartridge (rechargeable with deionized water) |
| Compliance | GB 20950–2020, GB 20951–2020, GB 20952–2020, HJ 733–2014, GB 37822–2019, HJ 1230–2021 |
| Brand | SkyRay Instrument |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Instrument Category | Domestic |
| Model | VOC-5000 |
| Detection Principle | Flame Ionization Detection (FID) & Photoionization Detection (PID) |
| Instrument Type | Portable |
| Typical Configuration | Total Volatile Organic Compounds (TVOC) Analyzer |
| Detection Range (FID) | 0–50,000 ppm |
| Detection Range (PID) | 0–4,000 ppm |
| Resolution | 0.1 ppm (PID), 0.1 ppm (FID) |
| Accuracy | ±5% of reading or ±3 ppm (whichever is greater) |
| Detection Limit (FID) | 0.5 ppm |
| Detection Limit (PID) | 0.1 ppm |
| T90 Response Time (FID) | ≤3.5 s |
| T90 Response Time (PID) | <3 s |
| Zero Recovery Time (FID) | ≤4 s to 10% of baseline |
| H₂ Cylinder Capacity | 100 mL at 20 MPa |
| H₂ Runtime | >12 h per full charge |
| Battery Life | 10 h (typical operation) |
| Ignition System | Dual spark igniters |
| Displayed Parameters | Flame temperature, battery level, pump power, H₂ pressure |
| CPU | Octa-core ARM Cortex-A53 (64-bit, 2.3 GHz) |
| Memory | 64 GB ROM + 4 GB RAM, expandable via 128 GB microSD |
| OS | Android 9.0 |
| Connectivity | USB Type-C, Wi-Fi 802.11 a/b/g/n, Bluetooth 4.0 |
| Brand | SkyRay Instrument |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China |
| Model | VOC-9000 |
| Instrument Type | Portable |
| Detection Principle | Infrared Absorption Imaging (Mid-Wave IR, 3.2–3.5 µm spectral band optimized for hydrocarbon VOCs) |
| Target Analytes | Volatile Organic Compounds (VOCs), including but not limited to methane, propane, butane, benzene, toluene, xylene, and C2–C4 aliphatic/aromatic hydrocarbons |
| Detection Range | Quantitative leak rate from 0.001 mL/s to >100 mL/s (per ISO 21876:2022 Annex B reference methodology) |
| Thermal Sensitivity (NETD) | ≤0.01 °C @ 30 °C |
| Spatial Resolution | ≤1.3 mrad (with 24° lens) |
| Minimum Detectable Leak Rate | ≤0.001 mL/s (as verified per HJ 733–2014 protocol using calibrated methane/propylene challenge gas) |
| Response Time | <4 s (T90, per IEC 60079-29-1) |
| Operating Temperature Range | –20 °C to +50 °C |
| Enclosure Rating | IP54 |
| Explosion Protection | Ex ic nC op is IIC T4 Gb / Ex ic nC op is IIIC T130°C Db (IEC 60079-0, -11, -15, -31) |
| Weight | 2.5 kg (including battery and standard lens) |
| Data Storage | Internal SD card (up to 512 GB, FAT32 formatted), supporting synchronized thermal + visible image pairs and time-stamped video (.mp4, H.264) |
| Software Compatibility | SkyRay LDAR Pro v3.2 (Windows 10/11), supports ASTM D7039–23 compliant reporting, US EPA OOOOa audit-ready export, and GLP-compliant metadata logging (operator ID, GPS coordinates, timestamp, ambient conditions) |
| Brand | Testa |
|---|---|
| Origin | Germany |
| Model | iFiD Dual |
| Detection Principle | Flame Ionization Detection (FID) |
| Instrument Type | Online Analyzer |
| Measurement Range | 0–10,000 ppmC₁ (as methane equivalent) |
| Response Time | 1 s (T₉₀) |
| Detector Temperature | 190 °C |
| Sample Line Temperature | Up to 300 °C |
| Repeatability | ±1% of full scale |
| Zero Drift | ±1% FS over 24 h |
| Warm-up Time | 15 min |
| Analog Output | 0–20 mA / 0–10 V |
| Digital Interface | Ethernet, RS232 |
| Data Storage | USB |
| Remote Access | VNC-enabled |
| Power Supply | 100–240 V AC, 50–60 Hz, 350 W |
| Ambient Operating Temperature | 0–45 °C |
| Enclosure Rating | IP40 |
| Dimensions (W×H×D) | 482 × 133 × 420 mm (19″ rack-mountable) |
| Weight | 15 kg |
| Fuel Gas | H₂ (Grade 5) or He/H₂ mixture |
| Zero Gas | N₂ or synthetic air |
| Calibration Gas | Propane (C₃H₈) |
| Carrier/Burn Air | Internally pumped |
| Fuel Consumption | 30 mL/min (H₂ only) |
| Calibration Gas Flow | 1 L/min (iFiD Rack & NMHC), 2 L/min (iFiD Dual) |
| Pressure Compensation Range | −150 hPa to +500 hPa |
| Brand | Testa |
|---|---|
| Origin | Germany |
| Model | iFiD mobile |
| Detection Principle | Flame Ionization Detection (FID) |
| Instrument Type | Portable |
| Measurement Range | 0–30,000 ppmC₁ |
| Response Time | 1 s (T₉₀) |
| Repeatability | ±1% of full scale |
| Zero Drift | ±1% FS over 24 h |
| Detector Temperature | 190 °C |
| Hot Filter Temperature | 300 °C |
| Warm-up Time | 15 min |
| Power Supply | 100–240 V AC, 50–60 Hz, 350 W |
| Operating Temperature | 0–45 °C |
| Enclosure Rating | IP40 |
| Dimensions | 178 × 370 × 420 mm |
| Weight | 12 kg |
| Fuel Gas | H₂ (Grade 5) or He/H₂ mixture |
| Burner Air | Built-in pump, flow-controlled |
| Calibration Gases | C₃H₈, CH₄, C₂H₆ |
| Zero Gas | N₂ or synthetic air |
| Sample Flow Control | Internal pressure compensation (−150 to +500 hPa) |
| Analog Output | 0–20 mA / 0–10 V |
| Digital Interface | Ethernet, RS232 |
| Data Storage | USB flash drive |
| Remote Access | VNC-compatible |
| Optional | Integrated zero-air generator, thermal desorption cleaning cycle |
| Brand | Testa |
|---|---|
| Origin | Germany |
| Model | iFiD NMHC mobile |
| Detection Principle | Flame Ionization Detection (FID) |
| Instrument Type | Portable |
| Detection Range | 0–100,000 ppmC₁ |
| Response Time | 1 s (T₉₀) |
| Repeatability | ±1% of full scale |
| Zero Drift | ±1% FS over 24 h |
| Detector Temperature | 190 °C |
| Hot Filter Temperature | 300 °C |
| Preheat Time | 15 min |
| Power Supply | 100–240 V AC, 50–60 Hz, 350 W |
| Operating Temperature | 0–45 °C |
| Enclosure Rating | IP40 |
| Dimensions | 178 × 370 × 420 mm |
| Weight | 12 kg |
| Fuel Gas | H₂ (Grade 5) or He/H₂ mixture |
| Calibration Gases | C₃H₈, CH₄, C₂H₆ |
| Zero Gas | N₂ or synthetic air |
| Burner Air | Built-in pump |
| Fuel Consumption | 30 mL/min (H₂) |
| Calibration Gas Flow | 1 L/min |
| Pressure Compensation Range | −150 to +500 hPa |
| Analog Output | 0–20 mA / 0–10 V |
| Digital Interfaces | Ethernet, RS232 |
| Data Storage | Internal via USB |
| Remote Control | VNC-compatible (PC/iFiD host) |
| Brand | Testa |
|---|---|
| Origin | Germany |
| Model | iFiD NMHC |
| Detection Principle | Flame Ionization Detection (FID) |
| Instrument Type | Online Analyzer |
| Measurement Range | 0–10,000 ppmC₁ (as methane equivalent) |
| Response Time | 1 s (T₉₀) |
| Detector Temperature | 190 °C |
| Filter Temperature | 300 °C |
| Repeatability | ±1% of full scale |
| Zero Drift | ±1% FS over 24 h |
| Warm-up Time | 15 min |
| Analog Output | 0–20 mA / 0–10 V |
| Digital Interface | Ethernet, RS232 |
| Data Storage | USB |
| Remote Access | VNC/PC |
| Power Supply | 100–240 V AC, 50–60 Hz, 350 W |
| Operating Ambient Temperature | 0–45 °C |
| Enclosure Rating | IP40 |
| Dimensions | 19″ Rack, 133 × 482 × 420 mm |
| Weight | 15 kg |
| Fuel Gas | H₂ (Grade 5) or He/H₂ mixture |
| Zero Gas | N₂ or synthetic air |
| Calibration Gas | C₃H₈ |
| Combustion Air | Internally pumped |
| Fuel Consumption | 70 mL/min H₂ or 400 mL/min He/H₂ |
| Calibration Gas Flow | 1 L/min |
| Pressure Compensation Range | −150 to +500 hPa |
| Brand | Testa |
|---|---|
| Origin | Germany |
| Model | iFiD Rack |
| Detection Principle | Flame Ionization Detection (FID) |
| Instrument Type | Online Analyzer |
| Measurement Range | 0–10,000 ppmC₁ (as methane equivalent) |
| Response Time | 1 s (T₉₀) |
| Detector Temperature | 190 °C |
| Sample Line Heating | Up to 300 °C |
| Repeatability | ±1% of full scale |
| Zero Drift | ±1% FS over 24 h |
| Warm-up Time | 15 min |
| Analog Output | 0–20 mA / 0–10 V |
| Digital Interface | Ethernet, RS232 |
| Data Storage | USB |
| Remote Access | VNC-compatible |
| Power Supply | 100–240 V AC, 50–60 Hz, 350 W |
| Operating Ambient Temperature | 0–45 °C |
| Enclosure Rating | IP40 |
| Dimensions | 19″ Rack Mount (133 × 482 × 420 mm) |
| Weight | 15 kg |
| Fuel Gas | H₂ (Grade 5) or He/H₂ mixture |
| Carrier/Combustion Air | Internal pump, pressure-compensated (−150 to +500 hPa) |
| Calibration Gas | Propane (C₃H₈) |
| Zero Gas | N₂ or synthetic air |
| Fuel Consumption | 30 mL/min (H₂) |
| Calibration Flow | 1 L/min (iFiD Rack & iFiD NMHC), 2 L/min (iFiD Dual) |
| Brand | Thermo Fisher |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Domestic (China) |
| Model | 5900-D |
| Detection Principle | Gas Chromatography (GC) with Flame Ionization Detection (FID) and Flame Photometric Detection (FPD) |
| Instrument Type | Continuous Online Analyzer |
| Configuration | Dual-Detector GC-Based VOC Analyzer |
| Measurement Range | Direct Sampling: 0–500 / 1,000 / 2,000 / 3,000 ppm (v/v) |
| Pre-concentrated Sampling | 0–50 / 100 / 200 / 300 / 500 ppb (v/v) |
| Detection Limit | Direct Sampling (benzene-equivalent): 25 ppb (v/v) |
| Pre-concentrated Sampling (benzene-equivalent) | 30 ppt (v/v) |
| Accuracy | ≤2% (benzene, NIST-traceable calibration) |
| Zero Drift | ≤0.1% FS or ≤0.02 ppb (benzene) per 24 h |
| Span Drift | ≤0.5% FS per 24 h |
| Repeatability | ≤2% RSD (benzene) |
| Cycle Time | Typically <40 min (configurable for zero-gap sampling) |
| Sample Flow Rate | 5–50 mL/min (adjustable) |
| Sample Volume | 200–2,000 mL (default 400 mL, programmable) |
| Column Oven Temperature Range | 15–180 °C (stability ±0.1 °C) |
| Valve Type | Heated Pneumatic Membrane Valve (30–180 °C, temperature-controlled) |
| Carrier Gas | Helium, Hydrogen, or Nitrogen (>99.9995% purity, 30–50 mL/min) |
| Fuel Gas (FID) | H₂ ≥99.999% (30–50 mL/min) |
| Make-up/Support Air (FID/FPD) | Clean, oil-free air (300–500 mL/min) |
| Brand | Thermo Fisher |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Regional Classification | Domestic (China-manufactured) |
| Model | 5900-D |
| Pricing | Upon Request |
| Detection Principle | Gas Chromatography coupled with Pre-concentration and Dual Detectors (FID + FPD) |
| Instrument Type | Online Continuous Analyzer |
| Typical Configuration | Multi-Component VOC Analyzer |
| Detection Range | Direct Sampling: 0–500 / 1,000 / 2,000 / 3,000 ppm (as benzene) |
| Pre-concentrated Sampling | 0–50 / 100 / 200 / 300 / 500 ppm (as benzene) |
| Resolution | Direct Sampling (benzene-equivalent): 25 ppb (v/v) |
| Pre-concentrated Sampling (benzene-equivalent) | 30 ppt (v/v) |
| Accuracy | ≤2% (benzene) |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported Instrument |
| Model | Thermo Fisher 8000 Series TOC Analyzer |
| Detection Principle | High-Resolution Gas Chromatography Coupled with Flame Ionization Detector (FID) or Pulsed Discharge Helium Ionization Detector (PDHID) |
| Analyte Range | CH₄, NMHC, Benzene, Toluene, Xylenes (o/m/p), Ethylbenzene, Trimethylbenzenes, Styrene, Ethyl Acetate, Butyl Acetate, Tetrahydrofuran (THF), Isopropanol (IPA), 1-Propanol, Acetone, Hexane, 2-Butanone, Propylene Glycol Monomethyl Ether (PGME), Propylene Glycol Monomethyl Ether Acetate (PGMEA), Cyclopentane, Cyclohexanol, Methylene Chloride, Chloroform, 1,2-Dichloroethane, 1,2-Dichloropropane, and other volatile organic compounds (VOCs) |
| Measurement Cycle | 0–60 min (user-configurable per method) |
| Limit of Detection (LOD) | As low as sub-ppt (≤0.1 pg C) for selected analytes with PDHID |
| Zero Noise | ≤0.04 ppb (as carbon equivalent) |
| Repeatability (RSD) | ≤5% at 10× LOD |
| Computing Platform | Embedded industrial PC — Intel dual-core processor, 4 GB RAM, ≥64 GB SSD (Windows IoT Enterprise) |
| Display | 12-inch full-color industrial capacitive touchscreen |
| Control Software | Onboard system control suite enabling automated sampling, chromatographic analysis, periodic calibration verification, system suitability testing, column conditioning, and unattended 7×24 operation |
| Data Export Formats | MS Excel (.xlsx), CSV, TXT |
| Real-time Status Monitoring | Dynamic graphical interface showing valve positions, oven temperature, detector status, pressure/flow profiles, and alarm history |
| Diagnostics | Comprehensive self-diagnostic routines with event-logged fault codes and predictive maintenance alerts |
| Chromatographic Data Processing | Batch processing support |
| Mechanical Format | 19-inch rack-mountable chassis |
| Dimensions (L×W×H) | 667 mm × 482.5 mm × 355 mm |
| Rack Units | 8U |
| Weight | 32 kg |
| Power Supply | 220 VAC ±10%, 50–60 Hz, max. 500 W |
| Operating Environment | 0 °C to 40 °C, 5–85% RH non-condensing |
| Communication Interfaces | Dual Ethernet (10/100/1000BASE-T), RS-232, RS-485, 3× USB 2.0, VGA output |
| Communication Protocols | Modbus TCP (standard), Modbus RTU over RS-485 (standard), optional analog outputs (0–1 V, 4–20 mA) |
| Brand | Thermo Fisher |
|---|---|
| Origin | Taiwan |
| Manufacturer Type | OEM Manufacturer |
| Country of Origin | China (Domestically Assembled) |
| Model | EV-1000B |
| Detection Principle | Gas Chromatography–Flame Ionization Detection (GC-FID) |
| Instrument Type | Online Continuous Analyzer |
| Configuration | Multi-range Composite VOC Analyzer |
| Measurement Ranges | 0–50 ppm / 0–500 ppm / 0–5000 ppm / 0–5% / 0–100% (auto-ranging) |
| Resolution | As specified in technical manual |
| Accuracy | ±1% F.S. or ±0.1 ppm (whichever is tighter) |
| Response Time | Application-specific (45 s to 60 min per cycle) |
| Brand | Thermo Fisher Scientific |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Origin Category | Imported |
| Model | 5800 VOCs CEMS |
| Detection Principle | Gas Chromatography–Flame Ionization Detection (GC-FID) |
| Instrument Type | Online Continuous Analyzer |
| Typical Configuration | Multi-component VOC Analyzer |
| Target Compounds | Up to 90 Volatile Organic Compounds |
| Resolution | 0.05 ppm |
| Accuracy | ±1% of full scale or ±0.1 ppm (whichever is greater) |
| Response Time | 1 minute (for methane/non-methane hydrocarbons) |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Origin Category | Imported |
| Model | EV-1000 VOCs CEMS |
| Detection Principle | Gas Chromatography with Flame Ionization Detection (GC-FID) |
| Instrument Type | Online Analytical System |
| Typical Configuration | Multi-component VOC Analyzer |
| Detection Range | Volatile Organic Compounds (VOCs), configurable up to 50 ppm, 500 ppm, 5000 ppm, 5% or 50% as methane |
| Resolution | 0.05 ppm |
| Accuracy | ±1 % of full scale or ±0.1 ppm (whichever is tighter) |
| Response Time | ≤60 seconds (average analysis cycle time) |
| Repeatability | ±1 % f.s. or ±0.1 ppm |
| Zero Drift | ±1 % f.s. or ±0.1 ppm |
| Span Drift | ±2 % f.s. or ±0.1 ppm |
| Sample Flow Rate | 600 mL/min (analysis stream) |
| Sample Replacement Rate | 3–10 L/min (max) |
| Calibration Interval | User-configurable (monthly to annual) |
| Operating Temperature | 0–45 °C |
| Ambient Storage Temperature | –20–60 °C |
| Relative Humidity | 0–85 % RH (non-condensing) |
| Power Supply | AC 220 V, 50 Hz, 1.5 kW |
| Dimensions | 650 mm (W) × 580 mm (D) × 1250 mm (H) |
| Weight | 160 kg |
| Carrier Gas | Oil/water-free air or N₂, 60 mL/min at 2 kg/cm², THC < 0.1 ppm |
| FID Fuel Gas | H₂, 30 mL/min at 2 kg/cm², purity >99.999%, THC < 0.1 ppm |
| FID Make-up Gas | Oil/water-free air, 300 mL/min at 2 kg/cm², THC < 0.1 ppm |
| Zero Gas | Oil/water-free air or N₂, 2 kg/cm², THC < 0.1 ppm |
| Span Gas | Hydrocarbon standard in balance gas (air or N₂), 1 kg/cm² inlet pressure |
| Purge Gas | Oil/water-free air, 10 L/min at 2 kg/cm², THC < 1 ppm |
| Standard Output | Modbus TCP |
| Optional Outputs | 4–20 mA, RS232, RS485 |
| Brand | Thermo Fisher |
|---|---|
| Origin | Israel |
| Manufacturer | OPGAL (Thermo Fisher subsidiary) |
| Type | Portable OGI Camera |
| Detection Principle | Infrared Absorption Imaging (Mid-Wave IR, MWIR) |
| Detection Range | >400 VOCs including methane, ethylene, propane, butane, pentane, hexane, heptane, octane, benzene, toluene, xylene, styrene, ethylbenzene, formaldehyde, acetaldehyde, propionaldehyde, butadiene, butene, isobutylene, isoprene, methanol, ethanol, isopropanol, methyl ethyl ketone, acetone, ethyl acetate, methyl acetate, ethylene oxide, propylene oxide, acetic acid, and other hydrocarbons & oxygenates |
| Display Resolution | 640 × 480 |
| Thermal Sensitivity (NETD) | <12 mK @ 25 °C (for methane) |
| Temperature Measurement Accuracy | ±1 °C (0–100 °C) |
| Response Time | Real-time / ≤0.1 s |
| Certifications | ATEX Zone 2 |
| Data Storage | Integrated 64 GB SSD |
| Connectivity | Built-in Wi-Fi for live streaming and remote file transfer |
| LDAR Integration | Onboard LDAR workflow engine with component tagging, geotagging, and Method 21 data fusion (PID/FID) |
| Brand | Thermo Fisher Scientific |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported Instrument |
| Model | TVA Series |
| Instrument Type | Portable Real-Time Gas Analyzer |
| Typical Configuration | Dual FID & PID Detector |
| Detection Range (FID) | 1–50,000 ppm (methane equivalent) |
| Detection Range (PID) | 0.5–2,000 ppm (isobutylene equivalent) |
| Resolution | <100 ppb (PID), <300 ppb (FID) |
| Accuracy | ±25% of reading or ±2.5 ppm (whichever is greater), per EPA Method 21 calibration protocols |
| Response Time (T90) | ≤3.5 s (both detectors) |
| Operating Temperature | 0–40 °C |
| Weight | ~5 kg |
| Certifications | FM Class I, Division 1 |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Sentinel Pro |
| Detection Principle | Gas Chromatography-Mass Spectrometry (GC-MS) Coupled Online Sampling |
| Instrument Type | Continuous Online Analyzer |
| Typical Configuration | Multi-Channel VOC Monitoring System |
| Detection Range | 0.01–1 ppm (v/v) |
| Resolution | Dual Slit Selection — 60 (1 mm slit), 20 (4 mm slit) |
| Accuracy | <0.1% relative error |
| Response Time | ≤15 min for up to 100 sampling points |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer | Thermo Fisher Scientific |
| Product Type | Imported Instrument |
| Model | Sentinel Pro |
| Detection Principle | Gas Chromatography-Mass Spectrometry (GC-MS) Coupled Online Sampling |
| Instrument Category | Online Real-Time Analyzer |
| Typical Configuration | Multi-Channel VOC Monitoring System |
| Detection Range | 0.01–1 ppm (v/v) |
| Resolution | Dual-Slit Selector — 60 (1 mm slit), 20 (4 mm slit) |
| Accuracy | <0.1% relative precision |
| Response Time | ≤15 min for up to 100 sampling points |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | TVC-55 |
| Detection Principle | Gas Chromatography with Flame Ionization Detection (GC-FID) |
| Instrument Type | Online Analytical System |
| Typical Configuration | Integrated CH₄/NMHC Dual-Channel Analyzer |
| Measurement Range | 0–5/50/500 ppm, 0–10/100/1000 ppm, 0–20/200/2000 ppm, or 0–50/500/5000 ppm (user-selectable full-scale ranges) |
| Resolution | 0.025 ppm RMS (300-second averaging time) |
| Accuracy | ±2.0% of reading or ±50 ppb (whichever is greater) |
| Response Time (T₉₀) | ~70 seconds |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer | Thermo Fisher Scientific |
| Origin Category | Imported |
| Model | TVC-55 |
| Detection Principle | Gas Chromatography with Flame Ionization Detection (GC-FID) |
| Instrument Type | Online Analyzer |
| Configuration | Integrated NMHC/CH₄ Dual-Channel Analyzer |
| Measurement Range | 0–5/50/500 ppm |
| Resolution | 0.025 ppm RMS (300-s averaging) |
| Accuracy | ±2.0% of reading or ±50 ppb (whichever is greater) |
| Response Time | ~70 s |
| Brand | Thermo Fisher |
|---|---|
| Origin | Taiwan |
| Manufacturer Type | Authorized Distributor |
| Product Category | Domestic (China-sourced) |
| Model | TVC-5800 |
| Detection Principle | Gas Chromatography (GC) with Flame Ionization Detection (FID) |
| Instrument Type | Online Continuous Analyzer |
| Typical Configuration | Multi-component Speciated VOC Analyzer |
| Measurement Range | 0–50 ppm / 500 ppm / 5,000 ppm / 5% / 50% (as CH₄) |
| Resolution | 0.05 ppm |
| Accuracy | ±1% of Full Scale or ±0.1 ppm (whichever is tighter) |
| Response Time | ≤60 seconds (T₉₀) |
| Brand | Thermo Fisher |
|---|---|
| Origin | Taiwan |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | TVC-5800 |
| Detection Principle | Gas Chromatography with Flame Ionization Detection (GC-FID) |
| Instrument Type | Online Analyzer |
| Typical Configuration | Multi-Component Speciated VOC Analyzer |
| Measurement Range | 0–50 ppm / 500 ppm / 5,000 ppm / 5% / 50% as CH₄ |
| Resolution | 0.05 ppm |
| Accuracy | ±1% F.S. or ±0.1 ppm (whichever is tighter) |
| Response Time | 60 s (average) |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer | Thermo Fisher Scientific |
| Instrument Type | Online Gas Analyzer |
| Detection Principle | Flame Ionization Detection (FID) |
| Configuration | Multi-range VOC Analyzer |
| Measurement Range | 1, 10, 100, 1000, 5000, 10000 ppmC |
| Resolution | 0.05 ppm carbon |
| Accuracy | ±2% of reading or ±0.1 ppm (whichever is greater) |
| Response Time | 15 s (to 90% of full scale, 1 s averaging time) |
| Noise | <0.025 ppmC (10 s averaging) |
| MDL | 0.05 ppm carbon |
| Zero Drift (24 h) | <0.50 ppmC |
| Sample Flow Rate | 0.75–1.5 LPM |
| Fuel Gas | 25 mL/min high-purity H₂ or 110 mL/min H₂/He mixture |
| Temperature Control Zones | Four independent zones |
| Diagnostic Capability | Real-time operational status monitoring |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Imported |
| Model | Thermo Scientific 55i |
| Detection Principle | Gas Chromatography (GC) with Flame Ionization Detection (FID) |
| Instrument Type | Online Continuous Emission Monitor |
| Configuration | Dual-Channel GC-FID for Simultaneous CH₄ and NMHC Quantification |
| Detection Range | 0–5/50/500 ppm |
| Resolution | 0.050 ppm CH₄ |
| Accuracy | ±2% of reading or ±50 ppb (whichever is greater) |
| Response Time (t₉₀) | 70 s |
| Zero Noise | 0.025 ppm RMS (300-s averaging) |
| Span Drift (24 h) | <2% of full scale |
| Brand | Thermo Fisher |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Origin | Imported |
| Model | Thermo Scientific 55i |
| Detection Principle | Gas Chromatography (GC) with Flame Ionization Detection (FID) |
| Instrument Type | Online Continuous Emission Monitor |
| Configuration | Dual-Channel GC-FID for Simultaneous CH₄ and NMHC Quantification |
| Measurement Ranges | 0–5/50/500 ppm |
| Resolution | 0.050 ppm CH₄ |
| Accuracy | ±2% of reading or ±50 ppb (whichever is greater) |
| Response Time (t₉₀) | 70 s |
| Zero Noise | 0.025 ppm RMS (300-s averaging) |
| MDL | 0.050 ppm CH₄ |
| Span Drift (24 h) | <2% of full scale |
| Brand | Thermo Fisher |
|---|---|
| Origin | Imported |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Instrument Type | Online Analyzer |
| Configuration | Multi-component VOC Analyzer |
| Detection Range | 0–50 ppm / 500 ppm / 5,000 ppm / 50,000 ppm / 500,000 ppm (as methane) |
| Resolution | 50 ppb |
| Accuracy | ±1% of full scale or 0.1 ppm (whichever is greater) |
| Response Time | <1 minute for NMHC analysis |