Software Version: DRFN Free Chlorine Analysis software V1.0
Sensor Input: Compatible with all DRFN's Free Chlorine Analog Sensors
Measurement sensor: Coated Ampere Electrode
Display range: 0.00-200.00mg/L
Resolution: 0.001 mg/L
- Accuracy: Better than 0.15% of measuring range
- Stability: 0.05% of measurement range every 24 hours, no accumulation
- Repeatability: Better than 0.1% of the measuring range
Relay control: Two settable SPST relays, the maximum load of the relay is 3A/250VAC.
Analog current output: Two settable0/4~20mAcurrentoutputs ,maxload1000Ω
Communication method: Two-wire RS485 interface, communication protocol: MODBUS RTU; support JSON text data format
Display screen: 128*64 black and white graphic dot matrix LCD display, adjustable backlight mode, adjustable display rate.
Configuration information: Power-off protection, parameter retention indefinitely
Time History/Data Record: Year/month/day/hour/minute/second, 14,000 historical data can be recorded, and the recording interval can be set between 1 and 999 minutes.
Maintenance records: Last 100 times
Protection class: IP66
Operating environment: 0～60℃，RH<95%(no condensation)
Storage environment: -20～70℃,RH<55% (no condensation ,precision instruments)
Shell Material: Shell material: Reinforced ABS; instrument dimensions 144*144*120mm
Mounting Method: Wall-mounted installation, pipe clamp installation, panel installation (opening size 138*138mm)
Electrical interface: The back end reserved 3M12*1.5 Gram head,line diameter 3~6.5mm
Power supply: DC 18~36VDC
Power consumption: About10W
Instrument weight: About 800g