Environmental Monitoring Instruments
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| 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 |
| Product Category | Domestic |
| Model | Aquaculture Water Rapid Test Kit |
| Price Range | USD 140–1,400 (based on configuration) |
| Instrument Type | Portable |
| Measurement Principle | Colorimetric Method |
| 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 | GDYS-101SA |
| Instrument Type | Portable |
| Measurement Principle | Colorimetric Method (Nessler Reagent) |
| Measurement Range | 0.00–5.00 mg/L as N |
| Accuracy | ±5% |
| Detection Limit | 0.10 mg/L as N |
| Light Source Wavelength | 430 nm |
| Compliance Standard | GB/T 5750.5–2006 |
| Brand | Jiada Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable Analyzer |
| Model | GDYS-101SN2 |
| Measurement Principle | DPD Colorimetric Spectrophotometry |
| Measured Parameter | Free Residual Chlorine |
| Measurement Range | 0.00–5.00 mg/L |
| Accuracy | ±5% of reading |
| Detection Limit | 0.05 mg/L |
| Analysis Time | ≤3 minutes per sample |
| Reagent Format | Single-use, pre-calibrated DPD reagent vials |
| Compliance | Designed for field-deployable water quality screening in accordance with standard methods aligned with APHA 4500-Cl G, ISO 7393-2, and EPA Method 334.0 |
| Brand | Jiada Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable |
| Model | GDYS-101SN3 |
| Measurement Parameter | Free Residual Chlorine |
| Measurement Range | 0.00–2.50 mg/L |
| Accuracy | ±5% |
| Detection Limit | 0.01 mg/L |
| Light Source | High-Brightness LED |
| Wavelength | 520 nm |
| Power Supply | DC 9 V |
| Dimensions | 190 × 110 × 95 mm |
| Weight | 0.4 kg |
| Brand | Jiada Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | GDYS-101SX |
| Pricing | Available Upon Request |
| Detection Limit | 0.01 mg/L |
| Measurement Range | 0.00–0.40 mg/L |
| Accuracy | ±5% |
| Method Compliance | GB/T 5750.5–2006 |
| Analysis Time | ≤20 minutes per sample |
| Reagent Format | Single-use, pre-packaged test kits |
| Brand | Jiada Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYS-102SL2 |
| Price | Upon Request |
| Light Source | High-brightness LED |
| Wavelength | 470 nm |
| Detection Limit | 0.5 mg/L |
| Measurement Range | 0.0–4.0 mg/L |
| Accuracy | ±5% |
| Power Supply | DC 9 V |
| Dimensions | 190 × 110 × 95 mm |
| Weight | 0.4 kg |
| Brand | Jiada Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Authorized Distributor |
| Country of Manufacture | China |
| Model | GDYS-103SI |
| Detection Principle | Colorimetric Endpoint Titration with Integrated Micro-Dosing System |
| Detection Limit | 0.5 mg/L as CaCO₃ |
| Measurement Range | 0.00–8.00 mg/L as CaCO₃ |
| Reagent Format | Pre-packaged Single-Use Vials |
| Enclosure | Rugged ABS Hand-Carry Case with Foam Inserts |
| Compliance | Designed to support ASTM D1067 and ISO 9963-1 field-adapted protocols |
| Brand | Jiada Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic Laboratory Water Quality Analyzer |
| Model | GDYS-104SI |
| Detection Target | Bromate (BrO₃⁻) |
| Measurement Range | 0.004–0.040 mg/L |
| LOD | 0.004 mg/L |
| Accuracy | ±0.001 mg/L |
| Analysis Time | ≤30 min (sample-to-result) |
| Light Source Lifetime | ≥100,000 hours |
| Control System | Embedded Microcontroller |
| Display | Large LCD Screen |
| Data Output | Built-in Thermal Printer Support |
| Regulatory Context | Designed for compliance with GB/T 5750.10–2023 (China Standard Methods for Examination of Drinking Water – Disinfection By-products), suitable for routine monitoring under ISO/IEC 17025-accredited laboratories |
| Brand | Jiada Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYS-104SM |
| Light Source | High-brightness LED |
| Wavelength | 510 nm |
| Detection Limit | 5 mg/L |
| Measurement Range | Low Range: 5.0–500.0 mg/L |
| High Range | 0.05–65% (requires sample dilution) |
| Accuracy | ±5% |
| Power Supply | DC 9 V |
| Dimensions | 190 × 110 × 95 mm |
| Weight | 0.4 kg |
| Brand | Jiada Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYS-104SN |
| Light Source | High-Brightness LED |
| Wavelength | 430 nm |
| Detection Limit | 1.0 mg/L |
| Measurement Range | 0.0–50.0 mg/L |
| Accuracy | ±5% |
| Power Supply | DC 9 V |
| Dimensions | 190 × 110 × 95 mm |
| Weight | 0.4 kg |
| Brand | Jiada Xiaotian'e |
|---|---|
| Model | GDYS-302S |
| Instrument Type | Portable/handheld water quality analyzer |
| Detection Parameters | Ammonia nitrogen (NH₃-N), Nitrite nitrogen (NO₂⁻-N), Nitrate nitrogen (NO₃⁻-N) |
| Optical Source | High-brightness LED |
| Wavelengths | 430 nm, 538 nm |
| LOD | NH₃-N: 0.1 mg/L (as N), NO₂⁻-N: 0.01 mg/L (as N), NO₃⁻-N: 0.5 mg/L |
| Measurement Ranges | NH₃-N: 0.00–5.00 mg/L (as N), NO₂⁻-N: 0.00–0.40 mg/L (as N), NO₃⁻-N: 0.0–20.0 mg/L |
| Accuracy | ±5% FS |
| Power Supply | AC 220 V ±10%, 50 Hz ±2% or rechargeable Li-ion battery (7.4 V, 900 mAh) |
| Dimensions | 310 × 225 × 125 mm |
| Weight | 1.7 kg |