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- pH
Range: -2.00 to 16.00 pH
Resolution: 0.01 pH
Accuracy: ±0.01 pH
- ORP
Range: -1000 to 1000 mV / 0 to 100 %
Resolution: 1 mV / 0.1 %
Accuracy: ±1 mV / ±0.2 %
- Temperature
Range: -10.0 to 125.0 ºC / 14.0 to 257.0 ºF
Resolution: 0.1 ºC / 0.1 ºF
Accuracy: ±0.5 ºC / ±1.0 ºF
Sensor: Pt100 / Pt1000 (jumper selectable); 2 or 3 wire
Compensation: Auto/manual (independent process/CAL temperature)
- Set Point And Controller Functions
Set Point 1 (SP1)/ Set Point 2 (SP2): -2.00 to 16.00 pH or -1000 to 1000 mV or 0 to 100 %
Switching pH Hysteresis: 0.1 to 1 pH
Switching ORP Hysteresis: 10 to 100 mV or 1 to 10.0 %
Function (Switchable): P/PI control (pulse length/pulse frequency/proportional integral); limit control; off
Adjustable Period With Pulse Length Controller: 0.5 to 20 sec
Adjustable Period With Pulse Frequency Controller: 60 to 120 pulse/min
Integral Action Time (IAT): 0 to 999.9 min
Pickup/Dropout Delay: 0 to 2000 sec
Wash Cycle: 0.1 to 200.0 hr
Wash Duration: 1 to 2000 sec
Contact Outputs: 1 SPDT, 3 SPST relays
Switching Voltage/ Current/Power:
1/8 HP: at 125 VAC / max. 0.74 A / max. 93 VA
1/8 HP: at 250 VAC / max. 0.37 A / max. 93 VA
- Alarm Functions
Function (Switchable): Steady or fleet (pulse)
Pickup Delay: 0 to 2000 sec
Switching Voltage/Current/Power:
1/8 HP: at 125 VAC / max. 0.74 A / max. 93 VA
1/8 HP: at 250 VAC / max. 0.37 A / max. 93 VA
- Electrical Data And Connections
Transmitter Function: Two 0/4 to 20 mA scalable outputs for pH/ORP and temperature, galvanically isolated
CU 22 Function: 22 mA current output
Isolated Output Voltage: 12 V ±0.5 V (max. 50 mA)
Hold Function Switch: To freeze output current and deactivate control relays
Load: Max. 600 Ohm
pH/ORP Input: BNC (1012 impedance); asymmetrical/symmetrical
Connection Terminal: 3-pin, 8-pin, 9-pin & 13-pin terminal, detachable blocks
- Display:
LCD: UV coat, backlit 14 segments display with symbols for status information
Backlight: On/off selectable with four levels of brightness control
Power Supply
Input: 80 to 250 VAC/DC ; 50/60 Hz ; 10 VA
Main Fuse: 250 mA, anti-surge, S504 Bussmann
Pollution Degree: 2
Operating Temperature Range: 0 to 40 ºC
Max. Relative Humidity: 80 % up to 31 ºC decreasing linearly to 50 % at 40 ºC
- Dimensions (WxHxD): 144 x 144 x 110 mm
Weight: 745 g (unit) / 1100 g (packed)
Ingress Protection: IP66 (NEMA 4X)
Include: elbow BNC connector, terminal blocks, cable glands, gasket, etc
