Environmental Monitoring Instruments
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| 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 |
| Brand | Jiada Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Region of Origin | Domestic (China) |
| Model | GDYS-501M |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | Nitrite Nitrogen (A & B), Dissolved Oxygen, Sulfide, Ammonia Nitrogen, Nitrate Nitrogen, Volatile Phenols, Temperature, pH, Salinity |
| Light Source | High-Brightness LEDs |
| Wavelengths | 430 nm, 520 nm, 538 nm, 630 nm |
| Detection Limits | Nitrite-N (A): 0.01 mg/L |
| Nitrite-N (B) | 0.001 mg/L |
| DO | 0.1 mg/L |
| Sulfide | 0.02 mg/L |
| NH₃-N | 0.10 mg/L |
| NO₃⁻-N | 0.5 mg/L |
| Volatile Phenols | 0.10 mg/L |
| Temp | ±0.2 °C |
| pH | ±0.2 |
| Salinity | ±0.2% |
| Measurement Ranges | Nitrite-N (A): 0.00–0.40 mg/L |
| Nitrite-N (B) | 0.000–0.100 mg/L |
| DO | 0.0–10.0 mg/L |
| Sulfide | 0.00–1.00 mg/L |
| NH₃-N | 0.00–5.00 mg/L |
| NO₃⁻-N | 0.0–20.0 mg/L |
| Volatile Phenols | 0.10–5.00 mg/L |
| Temp | −50 to +300 °C |
| pH | 0.2–14.0 |
| Salinity | 0.2–28.0% |
| Accuracy | ±5% FS |
| Power Supply | AC Adapter (220 V ±10%, 50 Hz ±1 Hz) or Rechargeable Li-ion 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 |
| Region of Origin | Domestic (China) |
| Model | GDYS-601S |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | Nitrite Nitrogen, Ammonia Nitrogen, Dissolved Oxygen, pH, Salinity, Temperature |
| Measurement Range | Nitrite-N: 0.01–0.40 mg/L |
| Ammonia-N | 0.1–9.0 mg/L |
| DO | 0.1–10.0 mg/L |
| pH | 0.0–14.0 |
| Salinity | 0.2–28% |
| Temperature | −50 to +150 °C |
| Accuracy | Nitrite-N: ±5% |
| Ammonia-N | ±5% |
| DO | ±5% |
| pH | ±0.2 |
| Salinity | ±2% |
| Temperature | ±1% |
| Analysis Time | 3–20 min per parameter |
| Methodology | Standardized Colorimetric Methods (GB-based) |
| Reagent Format | Single-use, parameter-specific test kits |
| Display | Direct digital concentration readout |
| 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 Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYS-301S |
| Instrument Type | Portable |
| Measurement Principle | DPD Spectrophotometry |
| Measured Parameters | Residual Chlorine, Chlorine Dioxide, Chlorite |
| Measurement Ranges | Chlorine Dioxide: 0.00–3.00 mg/L |
| Residual Chlorine | 0.00–2.50 mg/L |
| Chlorite | 0.00–2.00 mg/L |
| Accuracy | ±5% |
| LOD | Chlorine Dioxide: 0.02 mg/L |
| Residual Chlorine | 0.01 mg/L |
| Chlorite | 0.05 mg/L |
| Light Source | High-Brightness LED |
| Wavelength | 520 nm |
| Absorbance Range | 0.000–2.000 Abs |
| Stability | ≤0.005 Abs/h |
| Power Supply | 9 V Battery (Auto-Shutdown after 30 min |
| Operating Temperature | 0–50 °C |
| Brand | Jiada Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Model | GDYS-TS600 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measurable Parameters | Color, Turbidity, pH, Total Hardness, Free Chlorine, Total Chlorine, Residual Chlorine Species, Heavy Metals (As, Cr⁶⁺, Fe, Mn, Cu, Zn, Al, etc.), Microbiological Indicators (Total Coliforms, E. coli, Heterotrophic Plate Count), Oxidants (O₃, ClO₂, ClO₂⁻), Nutrients (NO₃⁻-N, NH₃-N, PO₄³⁻, NO₂⁻-N), Organic Indices (CODₘₙ, Formaldehyde, Phenols), Conductivity, Sulfate, Fluoride, Cyanide, Chloride, Sulfide, etc. |
| Display | 10-inch capacitive color touchscreen with integrated QWERTY keyboard |
| Connectivity | Wi-Fi & Bluetooth 5.0 |
| Data Storage | Internal ≥32 GB SSD + cloud-sync capable |
| Printing | Built-in thermal printer + external USB/Bluetooth printer support |
| Power Supply | Rechargeable Li-ion battery (≥8 h continuous operation) |
| Enclosure | IP65-rated ABS carrying case with shock-absorbing design |
| Compliance | Designed to support ASTM D1293 (pH), ASTM D1889 (turbidity), ISO 7027 (turbidity), ISO 8694 (color), USP <643> (conductivity), EPA 180.1 (coliforms), GB/T 5750 series (Chinese Standard Methods for Drinking Water) |
| 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 |
| Brand | Jiada Xiaotianshe |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYK-800M |
| Instrument Type | Portable |
| Measurement Principle | Spectrophotometry |
| Display | 12-inch multi-touch LCD |
| Connectivity | Ethernet, USB, Wi-Fi, 4G |
| Power Supply | AC/DC dual-mode |
| Light Source | High-brightness LED |
| Wavelengths | 630 nm (formaldehyde, TVOC), 430 nm (ammonia), 465 nm (benzene & homologues, TVOC) |
| Detection Limits | Formaldehyde 0.01 mg/m³, Ammonia 0.10 mg/m³, Benzene & Homologues 0.05 mg/m³, TVOC 0.05 mg/m³ |
| Measurement Ranges | Formaldehyde 0.00–2.00 mg/m³, Ammonia 0.00–5.00 mg/m³, Benzene & Homologues 0.00–1.00 mg/m³, TVOC 0.00–4.00 mg/m³ |
| Accuracy | ±5% |
| Sample Cell | 19 mm cylindrical glass cuvette and 50 mm rectangular glass cuvette |
| Operating Temperature | 5–40 °C |
| Built-in Thermal Printer | Yes |
| Brand | Jiada Xiaotianshe |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYS-101SM2 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Analyte | Manganese |
| Detection Limit | 0.50 mg/L |
| Measurement Range | 0.00–4.00 mg/L |
| Accuracy | ±5% |
| Compliance Standard | GB/T 5750.6–2006 |
| Analysis Time | ≤10 minutes per sample |
| Reagent Format | Single-use proprietary test kit |
| Brand | Jiada Xiaotianshe |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable |
| Model | GDYS-101SN4 |
| Measurement Principle | Colorimetric Method (DPD-based) |
| Measured Parameters | Residual Chlorine, Total Chlorine |
| Range | Residual Chlorine: 0.00–2.50 mg/L |
| Total Chlorine | 0.00–2.50 mg/L |
| Accuracy | ±5% of reading |
| Detection Limit | 0.01 mg/L for both residual and total chlorine |
| Light Source | High-brightness LED |
| Wavelength | 520 nm |
| Power Supply | DC 9 V |
| Dimensions | 190 × 110 × 95 mm |
| Weight | 0.4 kg |
| Brand | Jiada Xiaotianshe |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable |
| Measurement Principle | Potassium Dichromate Digestion Method (On-site Compatible) |
| Wavelengths | 410 nm and 630 nm |
| Measurement Ranges | Range 1: 0–100 mg/L |
| Range 2 | 50–1000 mg/L |
| Range 3 | 500–3000 mg/L |
| Accuracy | ±5% |
| Detection Limit | 4 mg/L |
| Light Source | High-Brightness LED |
| Power Supply | DC 9 V |
| Dimensions | 200 × 105 × 95 mm |
| Weight | 0.4 kg |