Formaldehyde Analyzer
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| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 4160 |
| Pricing | Available Upon Request |
| Measurement Range | 0–19.99 ppm |
| Resolution | 0.01 ppm |
| Accuracy | ±2% of reading + 0.01 ppm |
| Response Time | < 60 s |
| Linearity | ±1.0% |
| Repeatability | ±0.5% |
| Zero Drift | ±1.0% per 24 h |
| Span Drift | ±2.0% per 24 h |
| Sampling Method | Continuous pump-suction, 1 L/min |
| Dimensions | 178 mm × 102 mm × 225 mm |
| Weight | 2 kg |
| Brand | Aeris Technologies |
|---|---|
| Origin | USA |
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | MIRA VOC |
| Pricing | Upon Request |
| Principle | Photoacoustic Spectroscopy (PAS) with Mid-Infrared Laser Absorption |
| Measurement Range | 1 ppb to 500 ppm |
| Resolution | 1 ppb |
| Repeatability | ±2% of reading |
| Sampling Method | Tunable Mid-IR Laser Absorption Spectroscopy |
| Response Time | <1 s (T90) |
| Operating Temperature | 10–40 °C |
| Humidity Range | 10–95% RH (non-condensing) |
| Brand | Aero Laser |
|---|---|
| Origin | Germany |
| Model | AL4021 |
| Principle | Photometric Detection via Hantzsch Reaction |
| Measurement Range | 0.1 ppb – 3000 ppb (gas phase), 150 ng/L – 5 mg/L (aqueous phase) |
| Resolution | 0.1 ppb |
| Repeatability | <3% |
| Sampling Method | Pump-aspirated |
| Response Time | 90 s (10–90%) |
| Operating Temperature | 0 °C – 120 °C |
| Humidity Range | 15–95% RH |
| Detection Limit | <100 ppt (gas), <150 ng/L (liquid) |
| Calibration Options | Automated gas-phase calibration (integrated permeation tube generator), semi-automated liquid-phase standard injection |
| Data Storage | USB flash drive (8 GB) |
| Interface | RS232 |
| Dimensions (W×H×D) | 45 × 15 × 56 cm |
| Mounting | 19″ rack-compatible |
| Power Supply | 110/220 VAC, 110 W (24 VDC optional) |
| Brand | BJBY |
|---|---|
| Origin | Beijing, China |
| Model | BY-800-HCHO |
| Principle | Photometric Colorimetry (GB/T 18204.2) |
| Measurement Range | 0.000–1.250 mg/m³ |
| Resolution | 0.001 mg/m³ |
| Sampling Method | Constant-Flow Sampling |
| Operating Temperature | 5–40 °C (±1 °C) |
| Relative Humidity Range | ≤90% RH (±2% RH) |
| Atmospheric Pressure Range | 30–120 kPa (±0.2 kPa) |
| Accuracy | ±5% of reading |
| Analysis Time | 10 min per sample |
| Display | 2.2-inch color LCD |
| Power Supply | 7.4 V rechargeable Li-ion battery |
| Data Storage | 8,000 records |
| Connectivity | Bluetooth for wireless printing |
| Compliance | GB/T 18204.2–2014 (Public Health Inspection Methods – Part 2: Chemical Pollutants) |
| Brand | BlueJing |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | LJ-JK90-CH2O |
| Detection Principle | Electrochemical Sensor (Formaldehyde-Specific) |
| Measurement Range | 0–100 ppm, 500 ppm, 2000 ppm, 5000 ppm, 10,000 ppm, 20,000 ppm, 50,000 ppm, or 0–20% Vol (configurable per application) |
| Repeatability | ≤±2% FS |
| Sampling Method | Built-in diaphragm pump (800 mL/min flow rate) |
| Response Time | T90 ≤ 20 s |
| Operating Temperature | −40 °C to +70 °C |
| Relative Humidity Range | 0–99% RH (non-condensing) |
| Display | 3.5″ TFT color LCD (320 × 240 px) |
| Data Storage | Standard 100,000 records |
| Battery | 3.6 V DC, 10,000 mAh rechargeable polymer lithium battery |
| Protection Rating | IP66 |
| Explosion Protection | Ex ia II CT6 (Intrinsic Safety) |
| Dimensions | 230 × 210 × 120 mm (L × H × W) |
| Weight | 2.5 kg |
| Brand | Cubic |
|---|---|
| Origin | Hubei, China |
| Model | CB-HCHO-V5 |
| Detection Principle | Electrochemical |
| Measurement Range | 0–1 ppm |
| Resolution | 1 ppb |
| Response Time | <90 s |
| Operating Temperature | −20 °C to +60 °C |
| Accuracy | ±0.02 ppm or ±20% (whichever is greater) at 25 ± 2 °C, 50 ± 10% RH |
| Lifetime | >6 years |
| Output Interface | UART TTL |
| Dimensions | 43 × 8.8 × 24 mm |
| Integrated Temperature & Humidity Compensation | Yes |
| Cross-sensitivity to Ethanol | Low |
| Power Consumption | Ultra-low (battery-compatible) |
| Brand | Cubic |
|---|---|
| Origin | Hubei, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | FM01 |
| Detection Principle | Electrochemical Sensor |
| Measurement Range | 0–1 mg/m³ |
| Resolution | 0.001 mg/m³ |
| Accuracy | ≤ 0.1 mg/m³: ±0.03 mg/m³ |
| > 0.1 mg/m³ | ±25% of reading |
| Repeatability | < ±3% RSD (typical, per ISO 16000-23) |
| Response Time (T90) | < 60 s |
| Operating Temperature | 0–40 °C |
| Operating Humidity | 15–95% RH (non-condensing) |
| Storage Temperature | −20–50 °C |
| Power Supply | DC 5 V ±0.1 V |
| Current Consumption | ≤ 300 mA |
| Communication Interface | USB-A |
| Dimensions | 101.9 × 26.4 × 16 mm (W × H × D) |
| Compliance | Meets requirements for indoor air quality screening per ISO 16000-23 and GB/T 18883–2022 |
| Brand | Eranntex |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | MS500-SO2 |
| Detection Principle | Electrochemical |
| Measurement Range | 0–10 ppm, 0–100 ppm (custom ranges available) |
| Resolution | 0.001 ppm (0–10 ppm), 0.01 ppm (0–100 ppm), 0.1 ppm (0–1000 ppm), 1 ppm (>1000 ppm), 0.01 mg/L (0–200% mg/L), 0.1% LEL, 0.01% Vol, 0.001% Vol |
| Repeatability | ≤±2% FS |
| Sampling Method | Built-in suction pump |
| Response Time | T90 ≤ 20 s |
| Operating Temperature | −40 °C to +70 °C |
| Humidity Range | 0–100% RH |
| IP Rating | IP66 |
| Explosion Protection | Ex ia IIC T4 Ga |
| Compliance | GB 15322.3–2019, GB 3836.1–2010, GB 3836.4–2010 |
| Battery | 3.7 VDC, 6000 mAh Li-polymer |
| Dimensions | 195 × 77 × 46 mm (L×W×H) |
| Weight | 350 g |
| Brand | Eranntex |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | MS600-CH2O |
| Detection Principle | Electrochemical Sensor |
| Measurement Ranges | 0–10 ppm, 20 ppm, 50 ppm, 100 ppm, 1000 ppm, 5000 ppm, 100% LEL (custom ranges available) |
| Resolution | 0.001 ppm (0–10 ppm), 0.01 ppm (0–100 ppm), 0.1 ppm (0–1000 ppm), 1 ppm (>1000 ppm), 0.1% LEL (0–100% LEL), 0.001% Vol (0–99.999% Vol) |
| Repeatability | ≤±1% FS |
| Sampling Method | Built-in pump suction (500 mL/min) |
| Response Time | T90 ≤ 20 s |
| Operating Temperature | –40 °C to +70 °C (optional high-temp sampling probe supports up to 1300 °C flue gas) |
| Temperature Measurement | –40 °C to +70 °C (±0.3 °C accuracy, optional) |
| Humidity Measurement | 0–100% RH (±2% RH accuracy, optional) |
| Ingress Protection | IP67 |
| Explosion Protection | Ex ia II CT4 |
| Battery | 3.7 V DC, 6000 mAh Li-polymer (with overcharge/over-discharge/short-circuit/thermal protection) |
| Data Storage | 100,000 records standard |
| Display | 2.5″ 320×240 color TFT screen |
| Dimensions | 195 × 77 × 46 mm (L×W×H) |
| Weight | 350 g |
| Brand | ETI |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | TiH200 |
| Pricing | Upon Request |
| Measurement Principle | Optical Colorimetry (Long-Path Liquid-Phase Absorption Spectrophotometry) |
| Measurement Range | 0–100 / 500 / 1000 / 5000 ppb (user-selectable full-scale ranges) |
| Resolution | 0.001 ppb |
| Repeatability | ≤2% RSD |
| Sampling Method | Integrated Diaphragm Pump |
| Response Time (t₉₀) | ≤150 s |
| Operating Temperature | 5–40 °C |
| Relative Humidity Range | 10–95% RH (non-condensing) |
| Brand | HAIDA INTERNATIONAL |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-Made) |
| Model | HAIDA HD-F801-3A Formaldehyde & VOC Emission Test Chamber |
| Temperature Range | 15–40 °C |
| Humidity Range | 30–80 %RH |
| Temperature Uniformity | ≤±1 °C |
| Temperature Stability | ≤±0.3 °C |
| Humidity Accuracy | ±5 %RH |
| Airflow Velocity | 0.1–0.3 m/s |
| Internal Chamber Dimensions (W×D×H) | 400×700×600 mm (4 chambers) |
| Power Supply | 220 V, 50 Hz, 4 kW max |
| Brand | HAIDA INTERNATIONAL |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-Made) |
| Model | HAIDA HD-F801-4 Formaldehyde & VOC Emission Test Chamber |
| Temperature Range | 15℃–40℃ |
| Humidity Range | 30%–80% RH |
| Internal Chamber Dimensions | 1000 × 800 × 1250 mm (D × W × H) |
| Air Exchange Rate | Adjustable via Mass Flow Controller |
| Temperature Uniformity | ≤ ±1℃ |
| Temperature Stability | ≤ ±0.3℃ |
| Humidity Accuracy | ±3% RH |
| Airflow Velocity | 0.1–0.3 m/s (adjustable) |
| Power Supply | 380 V, 50 Hz, 8 kW |
| Brand | HAIDA INTERNATIONAL |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic (China-Made) |
| Model | HD-F801-5 |
| Temperature Range | 15–40 °C |
| Humidity Range | 30–80 % RH |
| Internal Volume | 5 m³ |
| Air Exchange Rate | 0.2–2 h⁻¹ |
| Surface Air Velocity | 0.1–0.5 m/s |
| Static Leak Rate | ≤0.5 % × chamber volume/min at 1 kPa differential pressure |
| Formaldehyde Background Concentration | <0.006 mg/m³ |
| TVOC Background Concentration | <0.05 mg/m³ |
| Individual VOC Background Concentration | <0.005 mg/m³ |
| Brand | HAIDA INTERNATIONAL |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | HAIDA HD-F801-6 16 m³ Environmental Chamber for Formaldehyde and VOC Emission Testing |
| Temperature Range | 15–40 °C |
| Humidity Range | 30–80 % RH |
| Air Exchange Rate | 0.2–2.0 h⁻¹ |
| Internal Air Velocity | 0.1–0.5 m/s (horizontal) |
| Chamber Airtightness | ≤0.5 % × chamber volume/min at 1 kPa differential pressure |
| Formaldehyde Background Concentration | <0.006 mg/m³ |
| TVOC Background Concentration | <0.05 mg/m³ |
| Individual VOC Background Concentration | <0.005 mg/m³ |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | 4160-2 |
| Price | USD 3,650 (FOB) |
| Principle | Electrochemical Sensor |
| Measurement Range | 0–19.99 ppm |
| Extended Low-Range Mode | 0–500 ppb |
| Resolution | 0.01 ppm |
| Accuracy | ±2% Rd ±0.01 ppm |
| Flow Rate | 1.0 L/min |
| Dimensions | 178 × 102 × 225 mm |
| Weight | 2.0 kg |
| Power | Rechargeable Li-ion battery with real-time voltage monitoring |
| Certification | China NIM Type Approval (Certificate No. 2021F012), Evaluated by Chinese Center for Disease Control and Prevention – Institute of Environmental Health and Related Product Safety |
| Brand | Interscan |
|---|---|
| Origin | USA |
| Model | 8160 |
| Detection Principle | Electrochemical Sensor |
| Measurement Range | 0–20.00 ppm (0–2000 ppb) |
| Resolution | 0.01 ppm / 1 ppb |
| Repeatability | ±0.5% of reading |
| Accuracy | ±2% Rd + 0.01 ppm |
| Response Time | <60 s |
| Linearity Error | ±1.0% (24 h) |
| Zero Drift | ±1.0% (24 h) |
| Span Drift | ≤±2.0% (24 h) |
| Sampling Method | Continuous pump-suction |
| Display | LCD with real-time graphing and data logging |
| Analog Outputs | 4–20 mA and 0–2.5 V |
| Battery Life | Up to 8 h (rechargeable Li-ion) |
| Operating Environment | 0–45 °C, 0–90% RH |
| Dimensions | 140 × 210 × 254 mm |
| Weight | 2.95 kg |
| Enclosure | Anodized aluminum housing |
| Origin | USA |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | IQ-350 |
| Pricing | Available Upon Request |
| Power Supply | 4×C alkaline batteries, optional NiCd rechargeable battery or AC adapter/charger |
| Battery Life | 20 hrs (alkaline), 12 hrs (NiCd) |
| Sensor Options | Solid-state, electrochemical, IR, PID |
| Gas Selection | User-configurable from >150 toxic, combustible, or volatile organic compounds |
| Resolution | 0.01 ppm (0–10 ppm), 0.1 ppm (10–100 ppm), 1 ppm (100–1000 ppm) |
| Accuracy | ±5% of reading |
| Sampling Method | Integrated diaphragm pump with 1.2 m sampling tube |
| Display | 3-digit LED |
| Alarm | Dual adjustable threshold (low/high), visual & audible |
| Operating Temperature | –20 °C to +50 °C |
| Storage Temperature | –20 °C to +60 °C |
| Humidity Range | 0–99% RH (non-condensing) |
| Enclosure | Anodized aluminum housing |
| Dimensions | 181.1 × 85.9 × 101.6 mm |
| Weight | 1.14 kg (incl. batteries) |
| Standard Accessories | Host unit, sampling probe, alkaline batteries, 110 VAC adapter/charger, operator manual, calibration certificate, washable carry case |
| Optional Accessories | NiCd rechargeable battery pack, 110/220 VAC universal converter |
| Brand | Jiubin Instruments |
|---|---|
| Origin | Shanghai, China |
| Model | JB-220E |
| Measurement Principle | Photometric Method (based on acetylacetone derivatization) |
| Chamber Volume | 1 m³ |
| Temperature Control Range | 15–30 °C (±0.5 °C uniformity) |
| Relative Humidity Control Range | 30–70 % RH (±3 % RH stability) |
| Air Exchange Rate | 0.5–1.5 h⁻¹ (adjustable, calibrated per ISO 12460-1) |
| Internal Surface Material | Stainless Steel 316L with electropolished finish |
| Sample Capacity | Up to 1.0 m² test specimen (standardized board or furniture panel) |
| Compliance | ISO 12460-1, GB/T 17657–2013, ASTM D6007–22, JIS A 1460 |
| Brand | Jiubin Instruments |
|---|---|
| Origin | Shanghai, China |
| Model | JB-220E |
| Measurement Principle | Photometric Method (Based on Hantzsch Reaction) |
| Temperature Control Range | 15–30 °C (±0.5 °C stability) |
| Humidity Control Range | 40–70 % RH (±3 % RH uniformity) |
| Internal Volume | 220 L |
| Chamber Construction | Stainless Steel 304 inner chamber with double-wall insulation and PID-controlled heating/cooling + humidification/dehumidification system |
| Compliance | Designed to meet ISO 16000-9, GB/T 18204.2–2014, JIS A 1912, and ASTM D6007 requirements for formaldehyde emission testing preconditioning |
| 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 | 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-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 | 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 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 | JCL-01 |
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Compliance | GB/T 18204.26–2000 |
| Detection Principle | Spectrophotometric Colorimetry (Phenol Reagent Method) |
| Lower Detection Limit | 0.1 mg/m³ |
| Measurement Range | 0.0–1.0 mg/m³ |
| Accuracy | ±10% |
| Analysis Time | ~2 hours per sample |
| Format | Single-use reagent kit with visual colorimetric readout using standardized chromatic scale card |