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| 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 Classification | Domestic (China) |
| Model | GDYS-101SQ |
| Price Range | USD 700–1,400 (FOB) |
| Instrument Type | Portable |
| Detection Limit | 10.0 mg/L |
| Measurement Range | 0.0–500.0 mg/L |
| Accuracy | ±5% of reading |
| Method | Sealed Reflux Colorimetric Analysis |
| Analysis Time | ≤20 minutes per sample |
| Reagent Format | Single-use proprietary reagent vials |
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