TECHNICAL INDEX

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

2、 Measurement range:

1) Fluoride ion concentration value: 0-5000 mg/L, with division values of 0.1ug/L and 0.01mg/L; 0.00 PF to 9.00PF, resolution: 0.01PF; 0-99.9 ℃, resolution: 0.1 ℃;

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

3、 Basic error: ± 2.5% of reading, temperature: ± 0.3 ℃ (0-60.0 ℃);

4、 Automatic temperature compensation range: 0-99.9 ℃, with 25 ℃ as the reference;

5、 Temperature compensation error: ±3%；

6、 Repetitive error: ± 2.5% of the reading;

7、 Stability: ± 2.5%/24h of reading;

8、 Input impedance:> ten¹²Ω

9、 Input current: ≤ 2x10-12A；

10、 Tested water sample: 0-60 ℃;

11、 Clock accuracy: ± 1 minute/month;

12、 Data storage quantity: 3000 points;

13、 Continuous data retention time in case of power failure:>5 years;

14、 Power supply: 220V ± 10% 50 ± 1 Hz;

15、 Weight: 1.0kg；

16、 Dimensions: 202 (length) * 202 (width) * 68 (height) mm;

17、 Working conditions: Environmental temperature: 0-60 ℃ Relative humidity:< 85%.

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 the measurement of fluoride ion concentration and temperature, temperature compensation, instrument self-test, high accuracy, and good repeatability. High reliability: Single board structure, touch sensitive buttons, no switch knob. Input impedance>10¹²Ω. It has a long stable time and a very stable reading. Waterproof and anti-corrosion design. Electrode diagnosis: Multiple calibration methods, E0 and S queries, monitoring electrode performance. 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.