Instruction manual

Instruction Manual αlpha CON 2000
35
8 TECHNICAL SPECIFICATIONS
8.1 General specifications
Conductivity
Measuring range No Measuring range Resolution
1 0.000 - 2.000 µS/cm 0.001 µS/cm
2 0.00 - 20.00 µS/cm 0.01 µS/cm
3 0.0 - 200.0 µS/cm 0.1 µS/cm
4 0- 2000 µS/cm 1 µS/cm
5 0.00 - 20.00 mS/cm 0.01 mS/cm
6 0.0 - 200.0 mS/cm 0.1 mS/cm
7 0 - 1000 mS/cm 1 mS/cm
Relative accuracy ± 1% of full scale reading (±2 % >500 mS/cm)
System accuracy The effective measuring range and the total system accuracy depend on the
sensor used with the transmitter. Please refer to the respective sensor
documentation.
Temperature -10.0 to + 125.0 °C (14.0 to 257.0 °F)
Resolution 0.1 °C / °F
Relative Accuracy ± 0.5 °C (± 1.0 °F)
Sensor Pt100 /Pt1000 (jumper selectable)
Temperature Compensation Auto / manual (reference at 25 °C)
Set-point and Controller Functions
Function (switchable) limit control
P/PI control (pulse length/pulse frequency)
Integral time 0 to 999.9 minutes
Adjustable period with pulse length controller 0.5 to 20 sec.
Adjustable period with pulse frequency controller 60 to 120 pulses/min
Pickup / Dropout delay 0 to 2000 seconds
Wash cycle 0.1 to 199.9 hours
Wash duration 1 to 1999 seconds
Switching conductivity hysteresis 0 to 10 % of full scale
Contact outputs, controller 1 SPDT, 3 SPST relays
Switching voltage max. 250 VAC
Switching current max. 3A
Switching power max. 600 VA