TENMARS ST-501 红外线二氧化碳测试仪 (0~9999 ppm)

Specification
- Display: LCD
- Measurement range CO2: 0~9999 ppm
- Accuracy: ± 75ppm, ± 8% of reading (0~2000 ppm)
- Resolution: ±1 ppm
- Measurement Temperature: 0~50C
- Accuracy: ±0.5C
- Resolution: 0.1C
- Measurement Humidity: 1% ~99%
- Resolution: 0.1%
- Accuracy:
  + ±3.0%RH(20~80%)
  + ±5.0%RH(80%)
- Function:
  + Dataloging: 50000 records
  + Internal CO2 alarm buzzer
  + Fast USB download 
- Power: 4xPin AA
- Battery Operation: 24h
- External power: 6V DC, 0.5A

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