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| 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 Xiaotianshe |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYS-102SL |
| Pricing | Upon Request |
| Detection Limit | 20.0 mg/L |
| Measurement Range | 0.0–500.0 mg/L |
| Accuracy | ±5% |
| Brand | Jilin University Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | GDYS-102SY |
| Instrument Type | Portable/HANDHELD Water Quality Analyzer |
| Target Analyte | Phosphate |
| Detection Limit | 0.1 mg/L |
| Measurement Range | 0.0–1.0 mg/L |
| Accuracy | ±5% |
| Analysis Time | ≤15 minutes |
| Reagent Format | Single-use, pre-packaged test kits |
| Brand | Jilin University Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | GDYS-101SI2 |
| Price Range | USD 280–1,400 (FOB) |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameter | Calcium (Ca²⁺) |
| Detection Limit | 0.10 mg/L |
| Measurement Range | 0.00–2.00 mg/L |
| Accuracy | ±3% of full scale |
| Method | CPPI (Colorimetric Photometric Procedure with Integrated Reagent) |
| 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 | Jida Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Product Category | Domestic |
| Model | GDYS-102SK |
| Price Range | USD 280–1,400 (FOB) |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Measured Parameter | Permanganate Index (COD<sub>Mn</sub>) |
| Detection Limit | 0.50 mg/L |
| Measurement Range | 0.00–8.00 mg/L |
| Accuracy | ±5% of reading |
| Method | Micro-titration with pre-packaged reagent kit |
| Analysis Time | ≤10 minutes per sample |
| Sample Matrix | Drinking water and raw water sources with chloride concentration <300 mg/L (as Cl⁻) |
| 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 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 |
| Brand | Jilin University Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Category | Domestic (China) |
| Model | MAI-50G |
| Price Range | USD 1,400–7,000 |
| Instrument Type | Benchtop Laboratory Analyzer |
| Measurement Principle | Infrared Spectrophotometry (Dual-Wavelength Absorption at C–H Stretching Bands) |
| Measurement Range | 0.0–80.0 mg/L |
| Detection Limit | 0.2 mg/L |
| Accuracy | ≤1.5% RSD (at 10 mg/L) |
| Wavenumber Range | 3400–2400 cm⁻¹ |
| Absorbance Range | 0.0000–2.0000 Abs |
| Wavenumber Accuracy | ±2 cm⁻¹ |
| Wavenumber Repeatability | ±2 cm⁻¹ |
| Baseline Drift | ≤±0.005 Abs / 30 min |
| Operating Temperature | 5–35 °C |
| Linearity Correlation Coefficient | R > 0.999 |
| Power Supply | AC 220 V ±10%, 50–60 Hz |
| Brand | Jilin University Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Origin Category | Domestic (China) |
| Model | GDYS-101ST |
| Pricing | Upon Request |
| Detection Limit | 0.1 mg/L |
| Measurement Range | 0.0–3.0 mg/L |
| Accuracy | ±5% |
| Method Standard | GB/T 5750.6–2006 |
| 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 | 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 | Jilin University Little Swan |
|---|---|
| Origin | Changchun, Jilin, China |
| Model | GDYS-S7000 |
| Instrument Type | Portable Colorimetric Water Quality Analyzer |
| Dimensions | 85 mm × 200 mm × 95 mm |
| Display | Full-color TFT Touchscreen |
| Power | Rechargeable Lithium-ion Battery |
| Weight | <1000 g |
| Detection Parameters | Free Chlorine, Total Chlorine, Chlorine Dioxide, Ozone, Formaldehyde, Chlorite, Available Chlorine |
| Calibration | Pre-stored Multi-point Calibration Curves |
| Connectivity | Bluetooth-enabled for Thermal Printer Integration |
| Sample Cell | Optimized Long-Path Cuvette Design |
| Reagents | Pre-formulated, Single-use Solid/Powdered Reagent Kits |
| 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 | 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-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–Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Category | Domestic (China) |
| Model | MAI-100G Infrared Oil Content Analyzer |
| Instrument Type | Laboratory Benchtop Analyzer |
| Measurement Principle | Infrared Spectrophotometry (C–H Stretch Absorption at 2930 cm⁻¹, 2960 cm⁻¹, and 2850 cm⁻¹) |
| Measurement Range | 0.40–100 mg/L (using 4-cm pathlength cell, standard n-hexane extract, 1:1 extraction ratio) |
| Detection Limit | < 0.1 mg/L (per JJG 950–2012 verification protocol) |
| Accuracy | ±5% RSD (at 40 mg/L standard solution) |
| Compliance | HJ 637–2018, JJG 950–2012 Class A requirements, ASTM D7066–22 (equivalent IR methodology), ISO 9377-2:2000 (Water quality — Determination of hydrocarbon oil index — Part 2: Infrared spectrometric method) |
| Brand | Jilin University Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Regional Classification | Domestic (China) |
| Model | GDYS-102SH2 |
| Instrument Type | Portable / Handheld Water Quality Analyzer |
| Measured Parameter | Sulfate |
| Detection Limit | 2.0 mg/L |
| Measurement Range | 0.0–20.0 mg/L |
| Accuracy | ±5% |
| Analysis Time | ≤5 minutes |
| Reagent Format | Single-use, pre-packaged test kit |
| 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 |
| 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 | Jilin University Xiaotian’e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYS-103SN |
| Instrument Type | Portable/Handheld Water Quality Analyzer |
| Target Analyte | Hydrogen Sulfide (H₂S) |
| Detection Limit | 0.01 mg/L |
| Measurement Range | 0.00–1.00 mg/L |
| Accuracy | ±5% of full scale |
| Analysis Time | ≤20 minutes per sample |
| Reagent Format | Single-use, pre-packaged test kit |
| Brand | JiDa-Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | GDYS-101SL |
| Measurement Parameter | Total Phosphorus |
| Instrument Type | Portable |
| Measurement Principle | Colorimetric Method (Standardized Molybdenum Blue Reaction per GB 11906–1989) |
| Measurement Range | 0.00–1.00 mg/L |
| Accuracy | ±5% of reading |
| Detection Limit | 0.02 mg/L |
| 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 |
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