Sinotester ORP-169E 笔式ORP测试仪(0~±1999mV)

- Measuring range: 0~±1999mV
- Resolution: 1mV
- Accuracy: ±5mV
- Working Voltage: 4*1.5V (AG-13 type button cell battery)
- Working temperature: 0℃~50℃RH<95%
- 1 point calibration

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