Water Quality Analyzer
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| 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 | Lei-Mag |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Laboratory Water Quality Analyzer |
| Model | DZS-708L |
| Measurement Parameters | pH, ORP, mV, pX, Ion Concentration, Conductivity, Resistivity, TDS, Salinity, Ash Content, Dissolved Oxygen (DO) Concentration, DO Saturation, Temperature |
| Display | 7-inch HD color capacitive touchscreen |
| IP Rating | IP54 |
| Channels | 4 independent measurement channels |
| Supported Modules | pH Module, pX Module, EC-T (2-electrode conductivity), EC-F (4-electrode conductivity), DO-F (fluorescence-based DO), DO-P (polarographic DO) |
| Compliance | GLP, GMP-ready audit trail, ASTM D1125, ISO 7888, ISO 5814, USP <643>, EN 27888 |
| Data Storage | 1000 measurement records per parameter, 100 calibration sets, 1000 verification logs |
| Interfaces | RS-232, USB-A, USB-B (PC connection), optional barcode scanner support |
| Operating Environment | 0–40 °C, ≤85% RH |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | DX-01 |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Digestion Positions | 8 |
| Temperature Range | 45–185 °C |
| Temperature Accuracy | ±0.1 °C |
| Temperature Display Error | ±2 °C |
| Temperature Uniformity | ≤2 °C |
| Digestion Time Range | 0–480 min |
| Time Display Error | ±2% |
| Power Supply | AC 220 V ±10%, 50 Hz ±0.5 Hz |
| Rated Power | ~250 W |
| Dimensions (L×W×H) | 165 × 270 × 145 mm |
| Weight | ~2 kg |
| Operating Environment | 0–40 °C, RH ≤85% |
| Safety Features | Over-Temperature Alarm, Protective Shield, Sealed Micro-Reflux Design |
| Heating Modes | Continuous / Intermittent |
| User Interface | High-Resolution Color TFT Touchscreen |
| Preloaded Methods | 8 Standard Digestion Protocols + 1 Customizable Method |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Model | DZS-708T-A |
| Instrument Type | Laboratory Water Quality Analyzer |
| Detection Principle | Colorimetric Method (for optional add-on modules) |
| Measured Parameters | pH, pX (Ion Selective Electrode), mV, ORP, Conductivity, Resistivity, TDS, Salinity, Ash Content, Temperature |
| pH Range | 0.00–14.00 |
| Repeatability | ≤0.5% |
| Display | 7-inch color TFT LCD touchscreen |
| IP Rating | IP54 |
| Interface | RS-232, USB, USB host (U-disk, barcode scanner support) |
| Data Storage | 1000 datasets with GLP-compliant metadata |
| Calibration | Up to 6-point pH/pX |
| Temp Compensation | Automatic (linear, nonlinear, pure water, seawater, user-defined reference temp: 5.0–25.0 °C) |
| Electrode Diagnostics | Built-in |
| Software Compliance | Supports GMP audit trail, user-level access control (3-tier), method/data management, firmware upgrade |
| Brand | Leichi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | DZS-708TP Automated Electrochemical Water Quality Analyzer |
| Instrument Type | Laboratory Water Quality Analyzer |
| Measurable Parameters | pH, Conductivity, Dissolved Oxygen (DO), Ion Concentration (pX), ORP, TDS, Salinity, Resistivity, Ash Content (White Sugar & HFCS), Temperature |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Model | DGB-401 |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Detection Principle | Spectrophotometry (LED-based, 420 nm / 470 nm / 620 nm / 650 nm) |
| Measured Parameters | Ammonia-Nitrogen, High-Range COD, Low-Range COD, Total Phosphorus, Total Nitrogen |
| Ammonia-Nitrogen Range | 0.000–10.00 mg/L |
| Repeatability | ±3% |
| IP Rating | IP65 |
| Data Storage | 1,000 total entries (200 per parameter) |
| Power Supply | Rechargeable Li-ion battery with USB/PC charging and low-voltage warning |
| Interface | RS-232 printer port, USB for PC communication |
| Compliance | GLP-compliant data traceability, audit-ready data management |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Country of Origin | China |
| Model | DGB-401 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measurable Parameters | Total Phosphorus, Low-Range COD, High-Range COD, Total Nitrogen, Ammonia-Nitrogen |
| Light Sources | 420 nm, 470 nm, 620 nm, 650 nm LEDs |
| Calibration Points | 2–6 points |
| Data Storage | 1,000 total entries (200 per parameter) |
| Optical Cell | 16 mm and 25 mm round cuvettes |
| Power Supply | Rechargeable Li-ion battery (DC 5 V input, AC 100–240 V compatible) |
| Protection Rating | IP65 |
| Dimensions | 100 × 240 × 80 mm |
| Weight | 0.6 kg |
| Measurement Principles | Nesslerization (NH₃-N), Dichromate Oxidation (COD), Molybdate Blue (TP), Alkaline Persulfate Digestion + Chromotropic Acid (TN) |
| Compliance | GLP-compliant data traceability, RS-232 and USB interfaces for audit-ready data export |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | DGB-405F |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameter | Water Hardness |
| Measurement Principle | Calcium-Magnesium Colorimetry (at 515 nm) |
| Range | (3.00–20.0) mg/L, (20.0–100) mg/L, (100–500) mg/L as CaCO₃ |
| Accuracy | ±5% or ±3 mg/L as CaCO₃ |
| Repeatability | ≤2.0% |
| LOD | <3 mg/L as CaCO₃ |
| Operating Temp. | 5–35 °C |
| RH | ≤85% |
| Power | Rechargeable Li-ion battery |
| Dimensions | 100 × 245 × 90 mm |
| Weight | ~0.5 kg |
| IP Rating | IP65 |
| Data Storage | 600 groups (200 per range) |
| Interface | USB, RS-232 |
| Compliance | GLP-compliant data traceability |
| Brand | Leici |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | DGB-423 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameter | Ammonia-Nitrogen (NH₃-N) |
| Measurement Method | Nesslerization |
| Light Source | 420 nm LED |
| Range | 0.000–4.000 mg/L NH₃-N |
| Accuracy | ±10% of reading |
| Repeatability | ≤3% RSD |
| Sample Vessel | 16 mm OD × 100 mm glass cuvette (10 mL capacity) |
| Dimensions | 220 × 85 × 50 mm |
| Weight | ~0.4 kg |
| Operating Environment | 5–35 °C, 0–85% RH |
| Power Supply | 4 × AA alkaline batteries or USB 5 V DC |
| Display | Backlit LCD with adjustable contrast and backlight timeout |
| Protection Rating | IP65 |
| Data Management | GLP-compliant storage, review, deletion, and print export via USB |
| Calibration | Up to 5-point user-defined calibration |
| Firmware Upgradeable | Yes |
| Brand | LeiCi |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Product Category | Domestic |
| Model | DGB-480 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Detection Parameters | Turbidity, Color, Transmittance, Ozone, Nitrite Nitrogen, Urea, Hexavalent Chromium, Manganese, Total Nitrogen, Nitrate Nitrogen, Nitrate, Formaldehyde, Water Hardness, Zinc, Nitrite, Free Chlorine, Total Chlorine, Chlorine Dioxide, Permanganate Index, Low-Concentration COD<sub>Cr</sub>, High-Concentration COD<sub>Cr</sub>, Cadmium, Ammonia Nitrogen, Ammonium Ion, Total Phosphorus, Total Phosphate, Nickel, Ferrous Ion, Iron, Sulfite |
| Wavelengths | 365 nm, 420 nm, 470 nm, 515 nm, 540 nm, 620 nm, 650 nm, 850 nm |
| Measurement Modes | Concentration (mg/L), Absorbance (Abs), Transmittance (%) |
| Compliance | ISO 7027 (turbidity), GLP data traceability |
| Data Storage | 2000 records |
| Power Supply | Rechargeable Li-ion battery (DC 5 V input, AC 100–240 V adapter) |
| Dimensions | 105 × 241 × 90 mm |
| Weight | 0.6 kg |
| IP Rating | IP65 |
| Display | Color LCD touchscreen |
| Sample Vessels | Φ16 mm cuvettes or Φ25 mm vials |