1. Measuring range: fluoride ion concentration 0.2ug/L～2300mg/L, temperature 0～99.9℃

2. Resolution: fluoride ion concentration 0.1ug/L, temperature 0.1℃

3. Range of automatic temperature compensation: 0～99.9℃, 25℃ as the reference

4. Accuracy: ±2.5% of reading, ±0.3℃

5. The tested water sample: 0～99.9℃, 0.6MPa

6. Stability: ±1.5% /24h

7. Response speed: 32 seconds@25℃,50 seconds@15℃

8. Clock accuracy: ±1 minute/month

9. Galvanic isolation output: 0～10mA (load <1.5 kΩ) 4～20 mA (load <750 Ω)

10. Output current error: ≤±1%FS

11. Data storage quantity: 1 month (1 point/5 minutes)

12. High and low alarm relay: AC220V, 3A

13. Communication interface: RS485

14. Power source: AC220V±22V, 50Hz±1Hz

15. Protection level: IP65

16. Dimensions: 146 (length) × 146 (width) × 150 (depth) mm; opening size: 138 × 138 mm

17. Weight: 1.0kg

18. Working conditions: ambient temperature 0～60℃ relative humidity <85%

Note: The output signal 4-20mA is the current output of the measured fluoride ion value.

If the temperature corresponds to the 4-20mA current output as dual output, special ordering is required, and it must be stated when ordering.

1. English LCD display, English operation menu, English notes: adopts menu structure, similar to microcomputer operation, simple operation, all operation steps are prompted in Chinese, and can be easily completed without manual.

2. Simultaneous display of multiple parameters: display concentration value, temperature, time and status on the same screen

3. High intelligence: The online fluoride ion detector adopts high-precision AD conversion and single-chip micro-processing technology, which can complete various functions such as the measurement of fluoride ion concentration and temperature, automatic temperature compensation, and instrument self-checking.

4. High reliability: The components are integrated on a circuit board without complicated function switches and adjusting knobs.

5. Strong anti-interference ability: using the latest devices, current output adopts photoelectric coupling isolation technology, strong anti-interference ability, and realizing remote transmission. Has good electromagnetic compatibility.

6. Waterproof and dustproof design: protection grade IP65, suitable for outdoor use.

7. Automatic timing calibration: to ensure the stability and reliability of the instrument measurement.

8. RS485 communication interface: It can be easily connected to a computer for monitoring and communication.

9. Solution grounding: eliminate the interference of the ground loop.

10. The instrument is stable and does not crash: The watchdog program ensures that the instrument will not crash during continuous operation.

11. Software setting of current output mode: software selection is 0～10mA or 4～20mA output, without the user having to dial any switch.