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A005-7 DO Meter

A005-7 DO Meter



DO Meter A005-7

1. Isolating transmitting output, with little interference.
2. Isolating RS485 communication.
3. DO/SAT/OPP measurement, temperature measurement,upper/lower limit control, transmitting output, RS485 communication.
4. Configurable manual and auto temperature offset function.
5. Configurable upper/lower limit alarm and delay.
6. Configurable hummer and LCD backlight switch.
7. Optional language, Chinese and English.
8. Zero oxygen and full-scale calibration.
1. Measurement variables: dissolved oxygen, saturation, oxygen partial pressure.
2. Measuring range: 0~20mg/L,0~200%,0~400hPa
3. Resolution: 0.01mg/L, 0.1%, 1hPa
4. Accuracy: ±1.5%FS
5. Repetition: ±0.5%FS
6. Temperature measurement type: NTC 10K/PT1000,auto A/manual H
7. Measuring range: -10 – 60℃
8. Resolution: 0.1℃
9. Correction accuracy: ±0.5℃
10. Output type: 4~20mA current transmission output Max. loop resistance: 750Ω
11. Accuracy: 0.1%FS
12. Output type: RS485 digital signal output
13. Communication protocol: standard MODBUS-RTU (customizable)
14. Power: AC220V±10%,50Hz/60Hz (optional 24V±10%)
15. Alarm relay: AC250V, 3A


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