A005-3 pH/ORP Controller
Order No.
A005-3: controller without sensor
A005-3F: controller with sensor
Features:
1. Design of board card modularity, for convenience of assembly and configuration.
2. 2.4 inches 12864 lattice screen.
3. Isolating transmitting output, with little interference.
4. Isolating RS485 communication.
5. Can be PH / ORP measurement, temperature measurement, upper and lower limit control, transmission output, RS485 communication.
6. Configurable manual and auto temperature offset function.
7. Configurable upper/lower limit warning and delay.
8. Configurable hummer and LCD backlight switch.
9. Addition of universal password.
10. Industrial controlled door keep, to avoid instrument halted.
Specifications:
1. Can be set to isolate the transmission 4~20 mA output, the maximum loop 750Ω, 0.1% FS
2. Measuring range: PH (0-14 PH); ORP (-1000~ +1000 mV) customization: (-2000~ +2000 mV)
3. Accuracy: ±0.02 PH; ±1mV
4. Resolution: ±0.01 PH; ±1mV
5. Stability: ≤0.02 PH / 24H; ≤3mV / 24H
6. Input impedance: ≥1012Ω
7. Temperature measurement range: -10~130°C , accuracy: ±0.5°C (NTC10K or PT1000)
8. Temperature compensation: -10~130°C Manual / automatic
9. RS485 function: compatible with the standard MODBUS-RTU communication protocol
10. Power supply: AC220V±10%, 50Hz / 60Hz (customization: AC110V ± 10%, 50Hz / 60Hz or DC 24V)
11. Relay alarm: two normally open normally closed alarm relay AC250V, 3A
