Environmental Monitoring Instruments
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| 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 |
| Brand | Jiada Xiaotianshe |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Country of Origin | China |
| Model | GDYS-101SR |
| Pricing | Available Upon Request |
| Detection Method | DL Colorimetric Method |
| Detection Time | 3 minutes |
| Lower Detection Limit | 0.1 mg/L |
| Measurement Range | 0.0–10.0 mg/L |
| Accuracy | ±5% |
| Reagent Format | Single-use dedicated reagent kit |
| Sample Types | Distilled water, drinking water, domestic water, aquaculture water, seawater, surface water, wastewater |
| 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 |
| 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 | Jiada Xiaotianshe |
|---|---|
| Origin | Jilin, China |
| Manufacturer Type | Direct Manufacturer |
| Instrument Type | Portable Volatile Phenol Analyzer |
| Model | GDYS-103SK |
| Detection Limit | 0.1 mg/L |
| Measurement Range | 0.0–5.0 mg/L |
| Accuracy | ±5% |
| Analysis Time | ≤10 minutes |
| Reagent Format | Single-use, pre-packaged test kit |
| Compliance | Designed for field-deployable water quality screening per standard colorimetric phenol detection protocols |
| 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 | 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 |
| Origin | Beijing, China |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China-made) |
| Model | Portable-S450 |
| Price Range | USD 2,800 – 7,000 |
| Detector | High-Performance Silicon Drift Detector (SDD) |
| X-ray Tube | 45 kV / 200 µA Ag-anode End-window Microfocus Tube with Integrated HV Supply |
| Elemental Range | Mg (Z=12) to U (Z=92) |
| Detectable Elements | Al, S, K, Ca, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, As, Se, Rb, Sr, Y, Zr, Nb, Mo, Ag, Cd, Sn, Sb, I, Ba, Eu, Yb, Lu, Hf, Hg, Pb, Bi (37 elements standard, expandable) |
| Sample Forms | Solid, Powder, Liquid |
| Analysis Method | Fundamental Parameters (FP) + Direct Reading |
| Weight | ≤1.75 kg (with battery) |
| Display | 5″ Industrial Semi-Transflective Touchscreen (1080×720) |
| Storage | 4 GB internal + microSD up to 16 GB |
| Battery | Rechargeable Li-ion, 6800 mAh, 7.2 V, ≥12 h runtime |
| Connectivity | Wi-Fi, Bluetooth 4.2, USB-C, 3G/4G (optional) |
| Safety | Auto X-ray shutoff when no sample detected |
| Operating Environment | −20 °C to +60 °C, ≤90% RH (non-condensing) |
| Brand | JiDa Little Swan |
|---|---|
| Origin | Shanghai, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | GDYS-501M |
| Unit Weight | 1.7 kg |
| Operating Temperature | 5–40 °C |
| Power Supply | AC 220 V ± 22 V, 50 Hz ± 1 Hz |
| Repeatability | ±5% |
| Measurement Accuracy | ±5% |
| Optical Range | 0.000–2.000 Abs |
| Wavelength Options | 380 / 430 / 470 / 520 / 538 / 595 / 630 nm (configurable per parameter selection) |
| Light Source | High-brightness LED (rated lifetime >100,000 h) |
| Detector | Integrated photodiode sensor |
| Sample Cell | 16-mm-diameter cylindrical glass cuvette and 5-cm rectangular glass cuvette |
| Display | 4.7-inch LCD with Chinese interface |
| Data Interface | USB + RS-232 (COM) |
| Battery | Built-in rechargeable Li-ion, 7.4 V / 900 mAh |
| Power Consumption | 5 W |
| Stability | ≤0.005 Abs/h |
| Brand | JiDa Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Model | GDYJ-501SP |
| Measurement Range | Formaldehyde: 0.0–125.0 mg/kg |
| Hexavalent Chromium | 0.0–50.0 mg/kg |
| Wavelengths | 412 nm (formaldehyde), 540 nm (Cr(VI)) |
| Detection Limits | Formaldehyde: 2.0 mg/kg |
| Cr(VI) | 0.5 mg/kg |
| Accuracy | ±5% |
| Operating Temperature | 10–40 °C |
| Power | 5 W |
| Input Voltage | AC 220 V ±10%, 50 Hz ±1 Hz |
| Display | 5″ color TFT touchscreen + 2.9″ e-ink customizable standby screen |
| Data Storage | ≥10,000 test records with conditional search |
| Connectivity | USB 2.0, RS232, Bluetooth (for wireless thermal printer) |
| Brand | JiDa Xiaotian'e |
|---|---|
| Origin | Jilin, China |
| Model | GDYK-160L / GDYK-160H |
| Instrument Type | Single-Channel Passive Air Sampler |
| Flow Range | GDYK-160L: 0–0.5 L/min |
| GDYK-160H | 0–1.0 L/min |
| Flow Stability | ≤5% |
| Flow Accuracy | ±3% |
| Operating Temperature | 10–40 °C |
| Continuous Operation Time | >8 h |
| Timer Accuracy | <0.1% |
| Display | High-Density Dot-Matrix LCD (Low-Power, Sunlight-Readable) |