Gas Detector
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| Brand | Jiubin Instruments |
|---|---|
| Origin | Shanghai, China |
| Model | JB-60L |
| Measurement Principle | Photometric Method (based on acetylacetone derivatization) |
| Chamber Volume | 1 m³ |
| Internal Dimensions | Approx. 1000 mm × 1000 mm × 1000 mm |
| Temperature Control Range | 15–30 °C (±0.5 °C uniformity) |
| Relative Humidity Control Range | 30–70 %RH (±3 %RH stability) |
| Air Exchange Rate | Adjustable from 0.5 to 1.5 h⁻¹ (±5 % accuracy) |
| Chamber Wall Material | Stainless Steel 304 with electropolished interior |
| Seal Integrity | ≤ 0.5 % volume loss per hour |
| Power Supply | 220 V AC, 50 Hz |
| Compliance | GB/T 17657–2013, GB 18580–2017, ISO 12460-1:2007, ASTM D6007–21 |
| Brand | Jiubin Instruments |
|---|---|
| Origin | Shanghai, China |
| Model | JB-60L |
| Measurement Principle | Photometric Method (Based on Acetylacetone Reaction) |
| Chamber Volume | 60 L |
| Internal Dimensions | 400 × 400 × 375 mm (W × D × H) |
| Temperature Control Range | 15–40 °C (±0.5 °C stability) |
| Relative Humidity Control Range | 30–80 % RH (±3 % RH uniformity) |
| Air Exchange Rate | 0.5–2.0 h⁻¹ (adjustable, calibrated per ISO 12460-1 & ASTM D6007) |
| Construction | Stainless Steel 304 inner chamber, double-wall insulated design with tempered glass observation window |
| Touch Interface | 7-inch capacitive touchscreen with embedded control firmware |
| Data Logging | Internal SD card storage + USB export |
| Compliance | Designed to meet ISO 12460-1, ISO 16000-9, ASTM D6007, JIS A 1460, GB/T 17657–2013 Annex D |
| Brand | JBS |
|---|---|
| Origin | Jiangsu, China |
| Manufacturer Type | OEM/ODM Producer |
| Product Category | Domestic |
| Model | HPC201 |
| Instrument Type | Online Fixed-Mount Analyzer |
| Measurement Principle | Non-Dispersive Infrared (NDIR) for CO |
| Maximum Permissible Error | ±5% of reading |
| Zero Drift | ±3% FS/8h |
| Span Drift | ±3% FS/8h |
| Repeatability | ≤±2% FS |
| Measurement Range | HC: 0–10,000 ppm (v/v) |
| CO | 0–10% (v/v) |
| Accuracy | HC: ±12 ppm or ±5% (whichever greater) |
| CO | ±0.06% or ±5% (whichever greater) |
| Resolution | HC: 1 ppm |
| CO | 0.01% |
| Response Time (t₉₅) | ≤10 s |
| Warm-up Time | 8 min (3 min emergency mode) |
| Operating Environment | –5°C to +50°C, RH ≤90% non-condensing |
| Power Supply | AC 100–240 V, 50/60 Hz or DC 12 V (with optional inverter) |
| Power Consumption | 40 VA |
| Dimensions | 420 × 310 × 170 mm (L×W×H) |
| Weight | ~9 kg |
| Display | High-brightness digital LED |
| Output Interfaces | Built-in thermal printer |
| Auto Functions | Auto-zero calibration |
| Measurement Modes | Free idle and dual-idle testing per GB 18285–2018 and ISO 3930 |
| Brand | JCT |
|---|---|
| Origin | Austria |
| Product Type | Portable Gas Preconditioner with Flame Ionization Detection (FID) for NMHC Analysis |
| Instrument Category | Environmental Monitoring Instrument / Gas Analyzer |
| Configuration | Dual-Channel Sample Conditioning System |
| Flow Range | 10–100 Nl/h (Single Channel), 15–150 Nl/h (Dual Channel, per channel) |
| Maximum Combined Flow Capacity | 200 Nl/h at Rated Backpressure |
| Operating Ambient Temperature | 5–45 °C (up to 50 °C continuous) |
| Dew Point Control | +3 °C ± 0.2 °C |
| Refrigerant | R134a (non-CFC, environmentally compliant) |
| Material of Construction | PVDF (Polyvinylidene Fluoride) gas pathways |
| Integrated Components | Dual diaphragm sampling pumps, condensate removal pump, digital temperature display with alarm, precision thermal mass flow sensors, high-efficiency counterflow heat exchanger |
| Compliance | Designed for ASTM D6348, ISO 12913-1, EPA Method 25A, and EU EN 13649-1 pre-conditioning requirements |
| Brand | Brookfield |
|---|---|
| Origin | USA |
| Manufacturer Type | Manufacturer |
| Origin Category | Imported |
| Model | 631-X |
| Instrument Type | Portable |
| Target Gas | Hydrogen Sulfide (H₂S) |
| Response Time | 3–20 seconds |
| Measurement Accuracy | ±0.003 ppm |
| Measurement Range | 0.003 ppm to 50 ppm |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Jerome 631X |
| Pricing | Available Upon Request |
| Brand | Brookfield |
|---|---|
| Origin | USA |
| Manufacturer Type | Manufacturer |
| Origin Category | Imported |
| Model | 651 |
| Instrument Type | Online Gas Monitor |
| Target Gas | Hydrogen Sulfide (H₂S) |
| Response Time | ≤60 s |
| Measurement Accuracy | ±0.005 ppm |
| Measurement Range | 3 ppb (0.003 ppm) to 50 ppm |
| Brand | Brookfield |
|---|---|
| Origin | USA |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Imported Instrument |
| Model | J605 |
| Instrument Type | Portable Gas Analyzer |
| Target Gas | Hydrogen Sulfide (H₂S) |
| Response Time | 12–27 s (Survey Mode) |
| Measurement Accuracy | ±1 ppb at 5 ppb, ±3 ppb at 50 ppb, ±0.03 ppm at 0.5 ppm, ±0.3 ppm at 5.0 ppm |
| Measurement Range | 3 ppb (0.003 ppm) to 10 ppm |
| Resolution | 20 ppt (0.02 ppb) |
| Gas Flow Rate | 150 mL/min |
| Data Storage Capacity | 20,000 samples with timestamp and up to 80 location tags |
| Battery Life | 18 h (rechargeable NiMH), 3 h charge time |
| Operating Temperature | 0–40 °C, non-condensing, non-explosive environment |
| Certifications | TÜV 61010, CE, ISO 9001:2015 |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | Jerome-860 |
| Pricing | Available Upon Request |
| Brand | Junfang Chemical & Physical |
|---|---|
| Origin | Beijing, China |
| Model | JF-2200 |
| Measurement Gases | CH₄, C₃H₈, CO, H₂ |
| Accuracy | ±2% FS |
| Warm-up Time | 30 min |
| Output | RS232 digital interface, 4–20 mA analog output |
| Power Supply | AC 220 V or DC 12 V |
| Multi-channel Capability | Up to 20 gas alarm units |
| Data Storage | Internal high-capacity non-volatile memory |
| Communication | RS-232C serial interface |
| Customization | Adjustable measurement range per user specification |
| Compliance | Designed for alignment with GB 50493, JJG 693, and ISO 16000-24 calibration verification protocols |
| Brand | Junfang Physical & Chemical |
|---|---|
| Origin | Beijing, China |
| Model | JF-2211 |
| Volume Output Range | 1–1000 mL per injection |
| Concentration Dilution Ratio | up to 1:400 |
| Calibration Accuracy | ±1% of set volume |
| Compatible Gas Types | Non-corrosive gases only |
| Optional Mixing Chamber Volume | 10–100 L |
| Control System | Microprocessor-based programmable timing and sequencing |
| Brand | Junfang Analytical |
|---|---|
| Model | JF-2215 |
| Origin | Beijing, China |
| Gas Compatibility | CH₄, CO, C₃H₈, H₂ (expandable to C₄H₁₀, C₂H₅OH) |
| Concentration Accuracy | ±2% FS |
| Repeatability | 1% |
| Stability (5 min) | ≤4% drift under sealed conditions |
| Predefined Concentration Steps | 7 per gas (user-configurable) |
| Gas Type | Non-corrosive gases only |
| Price Range | USD 2,800 – 7,000 |
| Brand | Junfang Chemical Physics |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | JF-2310 |
| Price Range | USD 2,800 – 7,000 |
| Gas Mixing Ratio Range | 0–100% |
| Minimum Dilution Ratio | 0.1% of Source Gas Concentration |
| Output Flow Rate | 0.5–1.0 L/min |
| Indication Error | ±0.5% FS |
| Linearity | ±0.5% FS |
| Repeatability | ±1.0% FS |
| Power Supply | 220 V AC, 50 Hz |
| Operating Temperature | 0–50 °C |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | JF-3000 |
| Price | Upon Request |
| Measurement Range | CO: 0–5% vol, O₂: 0–10% vol |
| Alarm Setpoint Range | 10–90% of Full Scale |
| Zero Drift | ≤ ±1% FS (after 8-hr warm-up, 48-hr continuous operation) |
| Sensitivity Drift | ≤ ±1% FS |
| Temperature Influence | ≤ 3% FS over 5–40°C |
| Response Time (T₉₀) | ≤ 2 min |
| Sample Flow Rate | 0.5 L/min |
| Output Relay Capacity | 220 V AC / 5 A |
| Dimensions | 1800 × 610 × 700 mm |
| Weight | ~180 kg |
| Brand | Junfang Physical & Chemical |
|---|---|
| Origin | Beijing, China |
| Model | JF-3000 |
| Instrument Type | Online Analyzer |
| Detection Target | Multi-component Gases |
| Minimum Full-Scale Accuracy | ≤±1% F.S. |
| Repeatability | ≤±1% F.S. |
| Resolution | 0.1 ppm |
| Response Time | ≤30 s |
| Zero Drift | ≤±1% F.S. |
| Span Drift | ≤±1% F.S. |
| Linearity Error | ≤±1% F.S. |
| Sample Flow Rate | 0.5 L/min |
| Operating Ambient Temperature Range | 5–40 °C |
| Weight | ~180 kg |
| Dimensions | 1800 × 610 × 700 mm |
| Origin | Jiangsu, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | JFC-3P |
| Pricing | Available Upon Request |
| Pump Type | Imported Diaphragm Vacuum Pump |
| Power Supply | AC 220 V ±10 V, 50 Hz / Rechargeable Ni-MH Battery |
| Max Vacuum Pressure | >26 kPa |
| Flow Range | 0.1–3.0 L/min |
| Flow Accuracy | ±5% FS |
| Flow Stability | ≤5% over 8 h |
| Timer Range | 1 min – 99 h 59 min |
| Timer Accuracy | ≤±0.1% |
| Operating Temperature | −25 to +45 °C |
| Continuous Operation | ≥12 h on battery |
| Weight | ≤0.5 kg |
| Dimensions (L×W×H) | 100 × 50 × 110 mm |
| Ingress Protection | IP54-rated housing with anti-backflow liquid trap |
| Preseparator Compliance | BMRC (British Medical Research Council) respirable dust curve per ISO 7708:2005 and ACGIH TRK guidelines |
| 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 | Junfang Lihua |
|---|---|
| Origin | Beijing, China |
| Model | JFQ-3150L |
| Principle | Non-Dispersive Infrared (NDIR) Absorption |
| Type | Portable |
| Response Time | ≤30 s |
| Repeatability | ≤±1% FS |
| Zero Drift | ≤±2% FS / 4 h |
| Span Drift | ≤±2% FS / 4 h |
| Linearity | ≤±2% FS |
| Warm-up Time | 15 min |
| Measurable Gases | CO₂, CO, CH₄, SO₂, NO, NO₂, H₂S |
| Measurement Ranges | CO₂ & CO — 0–50 ppm to 0–100% (configurable per application) |
| Compliance | Designed for field-deployable environmental and occupational hygiene monitoring per ISO 12039, ISO 21258, and EPA Method TO-11A guidelines |
| Brand | Jiada Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | GDYJ-201MC |
| Principle | Colorimetric Method |
| Measurement Ranges | Adhesives: 0.00–1.25 g/kg |
| Furniture & Engineered Wood | 0.0–5.0 mg/L (Desiccator Method) |
| Detection Limits | Adhesives: 0.01 g/kg |
| Furniture & Engineered Wood | 0.1 mg/L (Desiccator), 0.1 mg/100g (Perforator), 0.05 mg/m³ (Climate Chamber) |
| Accuracy | ±5% |
| Light Source | High-Brightness LED |
| Wavelength | 412 nm |
| Power Supply | AC 220 V ±22 V, 50 Hz ±1 Hz |
| Rechargeable Battery | 7.4 V, 900 mAh |
| Dimensions | 310 × 225 × 125 mm |
| Weight | 1.7 kg |
| Brand | Jiada Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | GDYJ-201SC |
| Price Range | USD 1,400–2,800 (estimated) |
| Measurement Principle | Colorimetric Method |
| Detection Limit | 0.05 mg/L |
| Measurement Range | 0.00–5.00 mg/L |
| Accuracy | ±5% |
| Display | Backlit LCD with Chinese UI |
| Control System | Embedded Microcontroller |
| Data Functions | Real-time measurement, parameter setting, data logging, statistical analysis, USB communication |
| Sample Prep | Dedicated extraction apparatus + single-use reagent kits |
| Compliance | GB 18580–2001, GB 18584–2001 |
| Brand | Jiada Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYK-102S |
| Light Source | High-Brightness LED |
| Wavelength | 635 nm |
| Detection Limit | 0.005 mg/m³ |
| Measurement Range | 0.000–0.100 mg/m³ (40 L sampling volume) or 0.000–0.800 mg/m³ (5 L sampling volume) |
| Accuracy | ±5% |
| Power Supply | AC 220 V ±22 V, 50 Hz ±1 Hz |
| Dimensions | 310 × 225 × 125 mm |
| Weight | 1.7 kg |
| Brand | Jiada Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYK-211M |
| Detection Principle | Colorimetric Method |
| Measurement Range | Formaldehyde: 0.00–1.00 mg/m³ |
| BTEX (Benzene, Toluene, Ethylbenzene, Xylenes) | 0.00–1.00 mg/m³ |
| TVOC | 0.00–4.00 mg/m³ |
| Detection Limit | Formaldehyde: 0.01 mg/m³ |
| BTEX | 0.05 mg/m³ |
| TVOC | 0.05 mg/m³ |
| Accuracy | ±5% |
| Power Supply | 9 V alkaline battery (≥40 h continuous operation) |
| Auto-power-off | After 10 min inactivity |
| Dimensions & Weight | Compact, handheld design (<200 g) |
| Brand | Jiada Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | OEM Manufacturer |
| Regional Classification | Domestic (China) |
| Model | GDYK-221S |
| Pricing | Upon Request |
| Detection Principle | Colorimetric Chemical Reaction (Modified Spectrophotometric Endpoint) |
| Lower Detection Limit | 0.05 mg/m³ |
| Measurement Range | 0.00–1.00 mg/m³ |
| Accuracy | ±5% of Full Scale |
| Power Supply | 9 V Alkaline Battery (≥40 h continuous operation) |
| Auto-Power-Off | Activated after 10 min inactivity |
| Dimensions & Portability | Compact handheld form factor, <300 g mass, ergonomic field-deployable design |
| Brand | Jiada Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Model | GDYK-401RC |
| Detection Principle | Colorimetric Method |
| Measurement Range | Formaldehyde: 0.00–2.00 mg/m³ |
| Ammonia | 0.00–5.00 mg/m³ |
| Benzene & BTEX | 0.00–1.00 mg/m³ |
| TVOC | 0.00–4.00 mg/m³ |
| Resolution | 0.01 mg/m³ |
| Repeatability | ≤ ±5% |
| Sampling Method | Pump-aspirated |
| Response Time (Formaldehyde) | 22 min |
| Operating Temperature | 10–40 °C |
| Relative Humidity Range | 15–95% RH |
| Detection Limits | Formaldehyde: 0.01 mg/m³ |
| Ammonia | 0.10 mg/m³ |
| Benzene & BTEX | 0.05 mg/m³ |
| TVOC | 0.05 mg/m³ |
| Brand | Jiada Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYJ-201MA |
| Detection Principle | Colorimetric Method (Acetylacetone-Based Chromogenic Reaction) |
| Measurement Range | Textiles: 0.00–500.00 mg/kg |
| Engineered Wood & Furniture | 0.00–5.00 mg/L |
| Adhesives | 0.00–0.50 g/kg |
| Coatings & Paints | 0.00–1.25 g/kg |
| Ambient Air | 0.00–1.00 mg/m³ |
| Detection Limit | Textiles: 5.00 mg/kg |
| Engineered Wood & Furniture | 0.05 mg/L |
| Adhesives | 5.0 × 10⁻³ g/kg |
| Coatings & Paints | 1.25 × 10⁻² g/kg |
| Air | 0.01 mg/m³ |
| Response Time | ≤15 min |
| Accuracy | ±5% of Full Scale |
| Display | Backlit LCD with Chinese UI |
| Control System | Embedded Microcontroller |
| Sample Prep | Integrated Pre-treatment Module + Single-Use Reagent Cartridges |
| Output | Direct Concentration Readout (mg/kg, mg/L, g/kg, or mg/m³) |
| Brand | Jiada Xiaotian’e |
|---|---|
| Model | GDYK-201S |
| Principle | Colorimetric Method (Acetylacetone Derivatization) |
| Measurement Range | 0.00–1.00 mg/m³ |
| Resolution | 0.01 mg/m³ |
| Repeatability | ≤ ±5% |
| Sampling Method | Pump-Aspiration with Flow Calibration |
| Response Time | 22 min |
| Operating Temperature | 10–40 °C |
| Relative Humidity Range | 15–95% RH |
| Light Source | High-Brightness LED @ 630 nm |
| Power Supply | DC 9 V (Alkaline Battery) |
| Auto-Shutdown | After 30 min Inactivity |
| Built-in Calibration Curve | Yes |
| Sample Vessel | 19 mm Graduated Cuvette (Reaction + Measurement in One) |
| Brand | Jiada Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYK-211S |
| Detection Limit | 0.05 mg/m³ |
| Measurement Range | 0.00–4.00 mg/m³ |
| Accuracy | ±5% |
| Power Supply | 9 V alkaline battery (≥40 h continuous operation) |
| Auto-power-off | 10 min inactivity |
| Method | Colorimetric reaction with pre-packaged reagent cartridges |
| Dimensions & Weight | Compact handheld design, <300 g |
| Brand | Jiada Xiaotianshe |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYJ-201SP2 |
| Principle | Colorimetric Method (Acetylacetone for Formaldehyde |
| Measurement Range | Formaldehyde: 0.0–125.0 mg/kg |
| Hexavalent Chromium | 0.0–50.0 mg/kg |
| Detection Limits | Formaldehyde: 5.0 mg/kg |
| Cr(VI) | 1.5 mg/kg |
| Accuracy | ±5% |
| Operating Temperature | 10–40 °C |
| Power Supply | 220 V, 50/60 Hz |
| Dimensions | 465 × 280 × 160 mm |
| Weight | 3.0 kg |
| Interface | USB |
| Integrated Thermal Printer | Yes |
| Prepackaged Sample Prep Kit | Yes |
| Brand | Jiada Xiaotianshe |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYK-208SA |
| Price Range | USD 700–1,400 (FOB) |
| Measurement Principle | Colorimetric Method (Acetylacetone Derivatization) |
| Measurement Range | 0.00–1.00 mg/m³ (6 L air sample) |
| Detection Limit | 0.01 mg/m³ |
| Optical Source | High-Brightness LED |
| Wavelength | 635 nm |
| Accuracy | ±5% FS |
| Power Supply | AC 220 V ±10%, 50 Hz ±2% |
| Rechargeable Battery | 7.4 V, 900 mAh |
| Brand | Jiada Xiaotianshe |
|---|---|
| Model | GDYK-301S |
| Type | Portable Gas Analyzer |
| Measurement Principle | Nessler’s Reagent Colorimetric Method (GB/T 18204.25–2000) |
| Detection Limit | 0.1 mg/m³ |
| Range | 0.0–5.0 mg/m³ |
| Accuracy | ±5% FS |
| Compliance | GB/T 18204.25–2000 |
| Sample Throughput | One analysis in ≤10 minutes |
| Kit Configuration | Integrated pre-treatment module + single-use reagent cartridges |
| Power Supply | Rechargeable Li-ion battery (≥8 h operation) |
| Operating Environment | 5–40 °C, RH ≤85% non-condensing |