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| Brand | GAOMAI |
|---|---|
| Origin | Beijing, China |
| Model | GM-800 |
| Price Range | USD 14,000 – 42,500 (FOB) |
| Linearity Error | ±2% FS |
| Repeatability | <0.5% FS |
| Drift | <1% FS/7 days |
| Response Time | ≤60 s |
| Explosion Protection | Not rated |
| Sensor Type | Imported Electrochemical Oxygen Sensor |
| Output Signal | 4–20 mA DC (isolated), RS-485 Modbus RTU |
| Power Supply | 220 VAC ±10%, 50/60 Hz |
| Operating Temperature | 0–45 °C |
| Enclosure Rating | IP65 |
| Calibration Interval | Recommended every 3–6 months |
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