Water Quality Analyzer
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| Origin | Netherlands |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Imported |
| Model | HydrionX |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measured Parameters | Temperature, Conductivity, pH, K⁺, Na⁺, Ca²⁺, NH₄⁺, Cl⁻, NO₃⁻, CO₂, HCO₃⁻ |
| Brand | OTT Hydromet |
|---|---|
| Origin | USA |
| Model | Hydrolab HL4 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Internal Memory | 4 GB |
| Operating Temperature | -5 to 50 °C |
| Max Deployment Depth | 200 m |
| Dimensions (L × Ø) | 77.78 cm × 4.44 cm |
| Weight (typical w/battery) | 2.2 kg |
| Interface Options | RS-232, SDI-12, RS-485 |
| Brand | ZYKX |
|---|---|
| Origin | Beijing, China |
| Model | InLab-2016 |
| Instrument Type | Benchtop Laboratory Water Quality Analyzer |
| Measured Parameters | COD (High/Low Range), Ammonia-N, Total Phosphorus, Total Nitrogen, Nitrate-N, Nitrite-N, Free/Total Chlorine, Chlorine Dioxide, Hexavalent Chromium, Color, Turbidity, Suspended Solids, Sulfate, Sulfide, Fluoride, Aniline, Phosphate, Barium, Total Chromium, Iron, Ferrous Iron, Copper, Nickel, Zinc, Manganese, Dissolved Oxygen, pH, Temperature, Conductivity, ORP, Salinity, TDS, Cobalt, Ozone, Cyanide |
| Detection Method | Spectrophotometric (including DPD, Nessler, Molybdate, Cerium(IV)–Catalyzed Oxidation, etc.), Electrochemical (pH, DO, Conductivity, ORP, Salinity, TDS), and Gravimetric/Turbidimetric (SS, Sulfate) |
| Display | 7-inch TFT color capacitive touchscreen with Chinese UI |
| Data Storage | 10,000 measurement records with power-loss protection |
| Calibration | 1–7 point calibration with auto-curve adjustment |
| Connectivity | RS232 + USB |
| Dimensions | 300 × 220 × 120 mm |
| Weight | 2.8 kg |
| Power Supply | AC 220 V ±10%, 50 Hz |
| Operating Environment | 5–40 °C, RH <85% (non-condensing) |
| Compliance Standards | HJ/T 399–2007, HJ 535–2009, GB 11893–89, GB 11892–89, EPA-approved methods, ISO 7027, ISO 5667, ASTM D1253, ASTM D3370 |
| Brand | ZYKX |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Manufacture | China |
| Model | InLab-2022 |
| Pricing | Upon Request |
| Brand | ZYKX |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | InLab-2400 |
| Price Range | USD 4,200 – 7,000 |
| Instrument Type | Laboratory Water Quality Analyzer |
| Target Analyte | Petroleum Hydrocarbons (Oil Content) |
| Compliance | HJ 970–2018 |
| Wavelength Range | 190–400 nm |
| Primary Measurement Wavelength | 225 nm |
| Absorbance Stability | ±0.005 Abs / 10 min |
| Absorbance Range | 0.000–2.000 Abs |
| Detection Limit | 0.001 mg/L |
| Repeatability | RSD ≤ 1% (for 2–20 mg/L oil standards, n=11) |
| Accuracy | ±2% |
| Resolution | 0.001 mg/L |
| Correlation Coefficient | R > 0.9995 (calibration range: 0–20 mg/L) |
| 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 |
| 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 |
|---|---|
| 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 |
| 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 | 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 |
| Country of Origin | China |
| Model | GDYS-101SV |
| Pricing | Available Upon Request |
| Detection Limit | 0.02 mg/L |
| Measurement Range | 0.00–1.00 mg/L |
| Accuracy | ±5% |
| Compliance | GB/T 5750.5–2006 |
| Analysis Time | ≤10 minutes per sample |
| Reagent Format | Single-use, pre-packaged test kits |
| Brand | Jiada Xiaotianshe |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYS-101SX3 |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measured Parameter | Nitrite-Nitrogen (NO₂⁻-N) |
| Detection Limit | 0.001 mg/L |
| Measurement Range | 0.000–0.100 mg/L |
| Accuracy | ±5% |
| Compliance | GB/T 5750.5–2006 |
| Display | LCD with Microcontroller Control |
| Design | Compact, Lightweight, Field-Deployable |
| Brand | Jiada Xiaotianshe |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | GDYS-101SZ2 |
| Pricing | Available Upon Request |
| Detection Limit | 0.5 NTU |
| Measurement Range | 0.0–60.0 NTU |
| Accuracy | ±5% of reading |
| Compliance | GB/T 5750.4–2006 |
| Analysis Time | ≤3 minutes per sample |
| Brand | Jiada Xiaotianshe |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Model | GDYS-201M (65 Parameters) |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Capabilities | 65 Quantitative Parameters Including Free Chlorine, Fluoride, Iron, Chloride, etc. |
| Measurement Time | 5–30 Minutes per Parameter |
| Display | Large Backlit LCD with Chinese Interface |
| Control System | Embedded Microcontroller with Interactive GUI |
| Data Functions | Real-time Measurement, Parameter Configuration, Onboard Storage, Statistical Analysis, USB Export |
| Compliance | Designed to Align with GB/T Standards (China National Standards) for Environmental Water Testing |
| Brand | Jiada Xiaotianshe |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Region of Origin | Domestic (China) |
| Model | GDYS-401M |
| Price Range | USD 4,200 – 7,000 |
| Instrument Type | Benchtop Laboratory Water Quality Analyzer |
| Target Analytes | Total Nitrogen (TN), Total Phosphorus (TP), Chemical Oxygen Demand (COD), Ammonia Nitrogen (NH₃-N) |
| Wavelength Range | 200–1000 nm |
| Spectral Bandwidth | 2 nm |
| Wavelength Accuracy | ±1 nm |
| Wavelength Repeatability | 0.2 nm |
| Photometric Accuracy | ±0.5% T |
| Photometric Repeatability | 0.2% T |
| Baseline Stability | 0.002 A/h |
| Stray Light | ≤0.05% T |
| Data Interface | USB |
| Light Sources | Imported Deuterium Lamp & Tungsten Halogen Lamp |
| Power Supply | AC 220 V ±10% |
| Operating Temperature | 0–50 °C |
| Brand | Jiada Xiaotianshe |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Manufacturer |
| Origin Category | Domestic |
| Model | GDYS-601M |
| Price Range | USD 1,400–4,200 (est.) |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measurable Parameters | Color, Turbidity, Metasilicic Acid, Iodide, etc. |
| Light Source | High-Brightness LED |
| Wavelengths | 380 / 410 / 430 / 520 / 538 / 595 / 630 nm |
| Photometric Range | 0.000–2.000 Abs |
| Optical Stability | ±0.005 Abs/h |
| Detector | Integrated Photodiode Sensor |
| Sample Cell | 30 mm cylindrical glass cuvette and 50 mm rectangular glass cuvette |
| Power Supply | AC 220 V ±10%, 50 Hz ±1 Hz |
| Rechargeable Li-ion Battery | 7.4 V, 900 mAh |
| Operating Temperature | 5–40 °C |
| Display | 4.7-inch TFT LCD with Chinese UI |
| Data Interface | USB 2.0 & RS232 |
| Compliance | Designed for field-deployable compliance with GB/T 5750 (China’s Standard Methods for Drinking Water), ISO 7027 (turbidity), ISO 9297 (iodide), and ASTM D1208 (color) |
| Brand | Jiada Xiaotianshe |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYS-601SB |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Detection Parameters | Chlorine Dioxide, Free Chlorine, Total Chlorine, Chlorite, Ozone, Formaldehyde |
| Light Source | High-Brightness LED |
| Wavelengths | 520 nm, 538 nm |
| LOD | Free Cl₂: 0.01 mg/L |
| Total Cl₂ | 0.01 mg/L |
| ClO₂ | 0.02 mg/L |
| ClO₂⁻ | 0.05 mg/L |
| O₃ | 0.05 mg/L |
| HCHO | 0.05 mg/L |
| Measurement Range | Free Cl₂ & Total Cl₂: 0.00–2.50 mg/L |
| ClO₂ | 0.00–3.00 mg/L |
| ClO₂⁻ & O₃ | 0.00–2.00 mg/L & 0.00–2.50 mg/L respectively |
| HCHO | 0.00–1.50 mg/L |
| Operating Temperature | 15–40 °C |
| Power Supply | DC 9 V (9V alkaline battery) |
| Dimensions | 170 × 90 × 35 mm |
| Weight | 300 g |
| Cuvette | Dedicated 30-mm disposable reaction/measurement cuvette |
| Calibration | Built-in calibration curves |
| Brand | Jiada Xiaotianshe |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYS-800M |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | Free Chlorine, Chlorine Dioxide, COD (Chemical Oxygen Demand), Total Hardness, Color, Turbidity |
| Display | 12-inch Multi-Touch LCD |
| Connectivity | Ethernet, USB, Wi-Fi, 4G |
| Power Supply | AC/DC Dual Mode |
| Light Source | High-Brightness LEDs |
| Wavelengths | 380, 430, 470, 520, 538, 595, 630 nm |
| Photometric Stability | ±0.005 Abs/h |
| Detector | Integrated Photodiode Sensor |
| Sample Cell | Cylindrical Glass Cuvettes & Rectangular Glass Cuvettes |
| Operating Temperature | 5–40 °C |
| Enclosure | IP65-Rated Waterproof & Shock-Resistant Carry Case |
| Built-in Thermal Printer | Yes |
| Compliance | Designed for ASTM D1253, ISO 7888, ISO 7027, ISO 8694, USP <643>, and GB/T 5750 series methods |
| Brand | JiDa Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Model | GDYS-201MC |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Detection Parameters | Free Chlorine, Total Chlorine, Ozone, Turbidity, Fluoride, Nitrite Nitrogen, Ammonia Nitrogen, Dissolved Oxygen |
| Light Source | High-Brightness LED |
| Optical Stability | 0.005 Abs/h |
| Sample Cell | Cylindrical Glass Cuvette & Standard Glass Cuvette |
| Power Supply | AC 220 V ± 22 V, 50 Hz ± 1 Hz |
| Rechargeable Battery | 7.4 V / 1800 mAh |
| Operating Temperature | 5 °C to 40 °C |
| Connectivity | USB, RS232, Bluetooth (for wireless printing) |
| Brand | JiDa Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Model | GDYS-900M |
| Instrument Type | Portable/HANDHELD Water & Air Quality Analyzer |
| Detection Parameters | Residual Chlorine, Total Chlorine, Ozone, Chlorine Dioxide, Ammonia Nitrogen, Sulfide (Water) |
| Light Source | High-Brightness LED |
| Wavelengths | 380, 430, 470, 520, 538, 595, 630 nm |
| Photometric Stability | ≤0.005 Abs/h |
| Operating Temperature | 5–40 °C |
| Detector | Integrated Photodiode Sensor |
| Sample Cell | Cylindrical Glass Cuvettes & Standard Glass Cuvettes |
| Power Supply | AC/DC Dual Mode |
| Data Storage | 32 GB internal flash memory |
| Connectivity | USB 2.0, RJ45 Ethernet, Built-in Wi-Fi (IEEE 802.11 b/g/n) |
| Display | Color TFT Touchscreen |
| OS | Windows Embedded Standard 7 |
| Onboard Software | Preloaded calibration curves, sample metadata entry (sample ID, analyte, operator, lab name), audit-ready data logging |
| Printing | Integrated thermal printer + external printer support via USB/Ethernet/Wi-Fi |
| Brand | JiDa-Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYS-101SF |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Analyte | Fluoride |
| Detection Limit | 0.01 mg/L |
| Measurement Range | 0.00–1.00 mg/L |
| Accuracy | ±5% |
| Analysis Time | ≤30 minutes |
| Method Compliance | GB/T 5750.5–2006 |
| Brand | JiDa-Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYS-101SG |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Target Analyte | Hexavalent Chromium (Cr(VI)) |
| Detection Limit | 0.01 mg/L |
| Measurement Range | 0.00–1.00 mg/L |
| Accuracy | ±5% |
| Method Compliance | GB/T 5750.6–2006 |
| Analysis Time | ≤3 minutes per sample |
| Reagent Format | Single-use, pre-packaged test kit |
| Brand | JiDa-Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Model | GDYS-MW400 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Parameters | Total Phosphorus, Ammonia Nitrogen, Total Nitrogen, Chemical Oxygen Demand (COD) (High-Range & Low-Range) |
| Wavelengths | 380 / 430 / 470 / 520 / 538 / 595 / 630 nm |
| Photometric Stability | ±0.005 Abs/h |
| Detector | Integrated Photodiode Sensor |
| Light Source | High-Brightness LED (100,000 h lifetime) |
| Sample Cells | 19 mm cylindrical glass cuvettes & 50 mm rectangular glass cuvettes |
| Power Supply | AC 220 V ±10 %, 50 Hz ±1 Hz / Rechargeable Li-ion battery (8.4 V, 1800 mAh) |
| Operating Temperature | 5–40 °C |
| Dimensions | 310 × 225 × 125 mm |
| Weight | 1.7 kg |
| Data Interfaces | USB 2.0, RS-232 |
| Connectivity | Bluetooth (for printer pairing), PC software for Excel export and report generation |
| Brand | JiDa-Xiaotianshe |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | GDYS-201M |
| Price Range | USD 280 – 1,400 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | Free Chlorine, Total Chlorine, Available Chlorine, Chlorine Dioxide, Chlorite, Ozone, Formaldehyde, Hydrogen Peroxide, Peracetic Acid |
| Light Source | High-Brightness LED (380/430/470/520/538/595/630 nm selectable per configuration) |
| Optical Stability | ≤0.005 Abs/h |
| Detector | Integrated Photodiode Sensor |
| Sample Cell | Cylindrical Glass Cuvette & Standard Glass Cuvette (10 mm pathlength) |
| Display | 4.7-inch TFT LCD with Chinese UI |
| Power Supply | Rechargeable Li-ion Battery + AC Adapter |
| Interfaces | USB 2.0, RS-232 (COM) |
| Brand | JiDa-Xiaotianshen |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | OEM Manufacturer |
| Region of Manufacture | Domestic (China) |
| Model | GDYS-301M |
| Price Range | USD 1,400–4,200 |
| Instrument Type | Benchtop Water Quality Analyzer |
| Test Parameters | Free Chlorine, Total Chlorine, Chlorine Dioxide, Nitrate Nitrogen, Ozone, Ammonia Nitrogen, and 35 Total Parameters |
| Brand | Jilin University & Little Swan |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Regional Classification | Domestic (China) |
| Model | GDYS-800M |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Principle | Spectrophotometry |
| Measurable Parameters | Free Chlorine, Chlorine Dioxide, COD (Permanganate Index), Total Hardness (as CaCO₃), Color, Turbidity, and 32 additional routine water quality indicators |
| Measurement Ranges | Free Chlorine: 0–5 mg/L |
| Total Hardness (as CaCO₃) | 0–500 mg/L |
| Photometric Stability | ≤0.005 Abs/h |
| Wavelength Options | 380, 430, 470, 520, 538, 595, 630 nm (configurable per parameter set) |
| Light Source | High-brightness LED |
| Detector | Integrated Photodiode Sensor |
| Sample Cell | Cylindrical Glass Cuvettes and Standard Glass Cuvette (10 mm pathlength) |
| Operating Environment | 5–40 °C |
| Display | 12-inch Multi-touch LCD |
| Connectivity | Ethernet, USB 2.0, Wi-Fi 802.11 b/g/n |
| Power Supply | AC Adapter (100–240 V) + Rechargeable Li-ion Battery (≥8 h continuous operation) |
| Data Output | Built-in Thermal Printer, CSV Export, Cloud Sync via Secure HTTPS API |
| Brand | Kokuritsu |
|---|---|
| Origin | Japan |
| Model | WAS-E / WAS-D1 / WAS-D2 / WAS-G1 / WAS-G2 |
| Instrument Type | Portable, Handheld Water Quality Analyzer |
| Measurable Parameters | pH (2.0–12.0), Conductivity (indirect via TDS/hardness), Total Hardness (0–500 mg/L as CaCO₃), Dissolved Oxygen (1–10 mg/L), COD (0–100 mg/L), NH₃-N (0.2–10 mg/L), NO₂⁻-N (0.006–1 mg/L), NO₃⁻-N (0.23–45 mg/L), PO₄³⁻ (0.05–10 mg/L), S²⁻/H₂S (0.1–5 mg/L), Cr⁶⁺ (0.05–2 mg/L), Cu (0.5–10 mg/L), Zn (0–10 mg/L), Fe (0.05–10 mg/L), Free Chlorine (0.1–5 mg/L), Free Cyanide (0.02–2 mg/L), Turbidity (1–5 NTU per JIS), Color (2–10 Hazen units per JIS), Temperature (0–50 °C), Transparency (0–30 cm), KMnO₄ Consumption (0–15 mg/L), E. coli & Total Bacterial Count (qualitative presence/absence ≥1 CFU/mL) |
| Compliance | JIS K 0102, JIS K 0109, JIS K 0117, JIS K 0120, JIS K 0121 |
| Brand | KPM AMS |
|---|---|
| Origin | USA |
| Model | SmartChem 200 |
| Instrument Type | Laboratory Water Quality Analyzer |
| Detection Parameters | Nitrate, Nitrite, Ammonia-N, Phosphate, Sulfide, Cyanide, Volatile Phenols, Total Phosphorus, Total Nitrogen, Urea, Silicate, Sulfate, Borate, Formaldehyde, Chlorine, Chloride, Fluoride, Hexavalent Chromium, Copper, Aluminum, Iron, pH, Hardness, Conductivity, Volatile Acids |
| Sample Capacity | 126 positions per run |
| Reagent Positions | 16 |
| Optical Path Length | 10 mm |
| Minimum Reaction Volume | 180 µL |
| Temperature Control Range | Ambient to 45 °C (±0.1 °C) |
| Absorbance Range | 0–2.500 Abs |
| Detection Sensitivity | 0.0001 Abs |
| Filter Wheel | 12-position (340–880 nm), 9 filters + blind position |
| Measurement Modes | Endpoint, Fixed-Time, Kinetic, Differential-Time, Dual-Beam |
| Compliance | ASTM, ISO, AOAC, OIV, US EPA Method 353.2, AFNOR, COFRAC, BATF |