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| Brand | BlueJing |
|---|---|
| Origin | Shandong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | LJ-JK90-CH2O |
| Detection Principle | Electrochemical Sensor (Formaldehyde-Specific) |
| Measurement Range | 0–100 ppm, 500 ppm, 2000 ppm, 5000 ppm, 10,000 ppm, 20,000 ppm, 50,000 ppm, or 0–20% Vol (configurable per application) |
| Repeatability | ≤±2% FS |
| Sampling Method | Built-in diaphragm pump (800 mL/min flow rate) |
| Response Time | T90 ≤ 20 s |
| Operating Temperature | −40 °C to +70 °C |
| Relative Humidity Range | 0–99% RH (non-condensing) |
| Display | 3.5″ TFT color LCD (320 × 240 px) |
| Data Storage | Standard 100,000 records |
| Battery | 3.6 V DC, 10,000 mAh rechargeable polymer lithium battery |
| Protection Rating | IP66 |
| Explosion Protection | Ex ia II CT6 (Intrinsic Safety) |
| Dimensions | 230 × 210 × 120 mm (L × H × W) |
| Weight | 2.5 kg |
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