Designed for precise pH / ORP control at complex industrial sites.
NEMA4X, IP65 rated: waterproof and airproof. High protection against electromagnetic interference.
Two level password protection prevents unauthorized tampering with settings.
Large LCD, with high luminance LED orange backlight.
Two control modes: On / Off limited control (LIT), proportion pulse length control (PLC).
Separately adjustable high and low set-point hysteresis (dead bands).
Washing / warning relay.
Scaleable isolated 0/4 -20 mA Outputs for pH / ORP.
Independent setting for process temperature (TST1) and calibration temperature (TST2) in manual temperature compensation (MTC) mode. Panel mounting type.
Applications:
Industrial process
Boiler water
Circulating water
Cooling water
Specifications:
pH Range
-2.00 ~ +16.00 pH
Resolution / Accuracy
0.01 pH / ±0.01 pH
pH Buffer Kinds
USA / NIST
pH Calibration Point
1 or 2
ORP Range
-2000 ~ +2000 mV
Resolution / Accuracy
1 mV / ± 1 mV
Temperature Range
-9.9 ~ +130 °C
Resolution / Accuracy
0.1 °C / ± 0.5 °C
Temperature Electrode
Pt1000
Temperature Compensation
Automatic ( ± 10 °C offset adjustment ) / Manual
Control Function
Limited Point / Proportion ( Pulse Length )
Electrode type
Glass / Antimony
Signal input
Symmetrical / Asymmetrical
pH / ORP input
BNC (1013 impedance)
Signal Output / Load
0 / 4 - 20 mA isolated current output, set up by user
Signal Output Load
600Ω
Data Interface
RS-485
Relay Output
3 SPST relays,250V / 1A (or 110V / 2A)
Control hysteresis band
0.01 to 2 pH
ORP hysteresis band
1 to 200 mV
Cleaning Circle
From 1 to 999 hours
Cleaning Time
From 1 to 999 seconds
LCD
Big-size screen of crystal display, orange back light
