TECHNICAL INDEX

1、 The pH and ORP modes can be switched.

2、 Display mode: Chinese LCD display, Chinese menu style operation

3、 Measurement range: (-2~18.00) pH, (-1999~+1999) mV, (0~99.9) ℃

4、 Resolution: 0.001PH/0.01pH, 0.1mV (ORP meter resolution: 1mV), 0.1 ℃

5、 Input impedance:> ten¹²Ω ；

6、 Temperature compensation range: automatic/manual 0-99.9 ℃

7、 Temperature compensation: Nernst electrode slope temperature compensation, converted to 25 ℃ for pure water and ammonia added ultrapure water

8、 Communication interface: RS232 bidirectional communication

9、 Power supply: AC220V ± 22V, 50Hz ± 1Hz, external power supply

10、 Working conditions: ambient temperature 0-60 ℃, relative humidity ≤ 90 ℅

11、 Power off storage:>5 years

12、 Clock accuracy: ± 1 minute/month

13、 Calibration methods: one point calibration, two-point calibration, manual input of E0 S

14、 Size and weight: 202x202x68mm, 1.0Kg

Standard configuration

One pHS-802 secondary meter, one HT10 power supply, one ORP226 composite ORP electrode, one T22 temperature electrode, one set of electrode holder, and one set of standard buffer solution.

main features

Chinese LCD display, Chinese menu style, Chinese note taking. Microcomputerization: Using high-performance CPU chips, high-precision AD conversion technology, and SMT surface mount technology, it completes multi parameter measurement, temperature compensation, instrument self-test, high accuracy, and good repeatability. High reliability: Single board structure, touch sensitive buttons, no switch knob. 25 ℃ conversion: Nernst electrode slope temperature compensation, conversion for pure water and ammonia added ultrapure water at 25 ℃. Input impedance>10¹²Ω. Waterproof and corrosion-resistant design. Electrode diagnosis: Multiple calibration methods, E0 and S queries, monitoring electrode performance. Automatic conversion of standard solution temperature: The temperature curve of the standard solution is pre stored, and the pH value of the standard solution at the set temperature is automatically converted during calibration. Network function: RS232 bidirectional communication, compatible with printer or TLab1.0 communication and data processing software. Historical data: Store 3000 pieces of data. Notepad function: Record 200 pieces of information. Built in real-time clock: provides time benchmarks for various functions, etc. Industrial control watchdog: ensures that the instrument does not crash.

Ordering Guide

1. The measured range must be informed.

2. The length of the electrode cable is 10m without explanation.

3. The installation method of electrodes and secondary instruments.

4. Power supply, not specified as AC220V.