A005-7 DO Meter

Features: 

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. 

Specifications:

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