Multi channel online pH meter

PH-820IXMulti channel online pH meter

technical indicators

1. Measurement range:

PH value: 0-14.00pH, division value: 0.01pH;

Temperature: 0-99.9 ℃, division value: 0.1 ℃;

Potential value: -1999~+1999mV, division value: 0.1mV;

2、 精度：pH值: ±0.05pH ； 温度： ±0.5℃（0～60.0℃）；

3. Automatic temperature compensation range: 0-100.0 ℃, with 25 ℃ as the reference;

4. Tested water sample: 0-100.0 ℃, 0.6Mpa;

5. Automatic temperature compensation error of electronic unit: ± 0.03pH;

6. Electronic unit repeatability error: ± 0.02pH;

7. Stability: ± 0.02pH/24h;

8. Dual high impedance input, input impedance: ≥ 1012 Ω;

9. Current isolation output: 4-20 mA (load<750 Ω);

10. Output current error: ≤± 1% FS;

11. Power supply: AC220V ± 22V, 50Hz ± 1Hz; optional DC24 ± 2.4V, 1A power supply; Please specify when placing an order, do not specify that it will be powered by AC220V;

12. Protection level: IP65;

13. The instrument channels can be selected from two to four channels, and each channel is independent of each other. Please indicate the number of channels when placing an order, and do not specify a configuration based on two channels;

14. The data of each channel is measured simultaneously and displayed on the same screen without switching displays;

15. Dimensions: 159 (length) x 159 (width) x 108 (depth) mm, opening size: 138 x 138 mm;

16. Weight: 0.8kg;

17. Working conditions: ambient temperature 0-60 ℃, relative humidity<85%;

18. Select pH electrode according to the measurement medium. Please indicate the electrode model when placing an order;

19. Installation methods for secondary meters: perforated/wall mounted/rack mounted/pipe mounted;

20. Electrode installation methods: flow-through/submerged/flange/pipe type.

Main Features

1. Chinese LCD display, Chinese menu style operation.

2. Microcomputerization: Using high-performance CPU chips, high-precision AD conversion technology, and SMT surface mount technology, it completes multi parameter measurement, temperature compensation, and instrument self-test with high accuracy and good repeatability.

3. Waterproof and dustproof design: protection level IP65, suitable for outdoor use.

4. Electromagnetic compatibility (EMC/RFI) design: Designed and manufactured according to European standard EN50081/50082.

5. Implement 25 ℃ conversion: Nernst electrode slope temperature compensation, pure water and ammonia added ultrapure water conversion at 25 ℃.

6. Dual high resistance input circuit: low internal resistance pH electrode, good instrument stability, fast response, strong anti-interference.

7. Solution ground connection: eliminate ground circuit interference.

8. Calibration methods: Four calibration methods

9. Isolated 4-20 mA current output; The upper and lower limits of the output corresponding to the pH value of the current can be set arbitrarily.

10. Industrial control watchdog: Ensure that the instrument does not freeze.

11. Manual current source: convenient for recording and testing devices.

12. Password management: Calibration, parameter setting, and maintenance all have password protection.

PH-820IXMulti channel online pH meter

The instruments represented by Hebei Zeye Technology Co., Ltd. are widely used in industries such as aerospace, power, chemical, environmental protection, as well as scientific research departments, teaching institutions, environmental monitoring stations, etc
The company's main products include gas detectors, gas analyzers, flue gas analyzers, water quality detectors, indoor air quality detectors, laboratory equipment, dew point meters, radiation detectors, anemometers, flow meters, alarm controllers, formaldehyde detectors, food safety detectors, etc.