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- Dissolved Oxygen
Range: 0.00 ~ 20.00 mg/L or ppm; 0.0 ~ 200.0 %
Resolution: 0.01 mg/L or ppm; 0.1 %
Accuracy: ±1 % of full scale reading
- Temperature
Range: -10.0 to 125.0 ºC / 14.0 to 157.0 ºF
Resolution: 0.1 ºC / 0.1 ºF
Accuracy: ±0.5 ºC / ±0.9 ºF
Sensor: NTC 22 kOhm thermistor
- Compensation:
Temperature Compensation: Auto/manual
Salinity Compensation: 0.0 to 50.0 ppt (manual setting and automatic correction)
Pressure Compensation: 0.740 to 3.000 bar ; 555 to 2250 mmHg ;
10.73 to 43.51 psi (manual setting and automatic correction)
- Set Point And Controller Functions
Set Point 1 (SP1) /set Point 2 (SP2): 0.00 ~ 20.00 mg/L or ppm; 0.0 ~ 200.0 %
Switching DO Hysteresis: 0.1 to 1.0 mg/L or 1.0 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): 0.0 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: Max. 250 VAC / max. 3 A / max. 600 VA
- Alarm Functions
Function (Switchable): Steady or fleet (pulse)
Pickup Delay: 0 to 2000 sec
Switching Voltage/ Current/Power: Max. 250 VAC / max. 3 A / max. 600 VA
- Electrical Data And Connections
Transmitter Function: Two 0/4 to 20 mA outputs for Dissolved Oxygen values and temperature, galvanically isolated
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
DO Input: 2-pin terminal
Connection Terminal: 2x 3-pin, 8-pin, 9-pin & 13-pin terminal blocks
- Display
LCD: UV coat, backlit 14 segments display with symbols for status information
Backlight: On/off selectable with four level of brightness control
- Power Supply
Input: 80 to 250 VAC/DC ; 50/60 Hz ; 10 VA
Main Fuse: 315 mA, anti surge
Operating Temperature Range: 0 ºC to 50 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: cable glands, terminal blocks, cable glands, gasket, etc
