User Guide

Operating Instructions αlpha-RES1000
23
9 Technical Specifications
Resistivity Range Resolution Default Cell Constant, K
0.00 to 19.99 mΩ/cm 0.01 mΩ/cm
0.01
0.000 to 1.999 mΩ/cm 0.001 mΩ/cm
0.1
Temperature -9.9 to 125
o
C
Resolution 0.1
o
C
Relative Accuracy
± 0.5
o
C
Sensor Pt 1000/Pt 100
Temperature Compensation Auto / manual (reference at 25.0
o
C)
Set-point and Controller Functions
Controller characteristics Limit/Proportional controller
Pickup / Dropout delay 0 to 1999 sec.
Switching Condutivity hysteresis 0 to 10% of Full Scale
Contact outputs, controller 2 potential-free change-over contacts
Switching voltage max. 250 VAC
Switching current max. 3A
Switching power max. 600 VA
Alarm/Wash Functions
Function (switchable) Latching / pulse
Pickup delay 0 to 1999 sec.
Switching voltage max. 250 VAC
Switching current max. 3A
Switching power max. 600 VA
Electrical Data and Connections
Power Requirements 110 / 220 VAC (jumper selectable)
Frequency 48 to 62 Hz
Signal Output 0/4 to 20 mA, galvanically isolated
Signal Output Load
max. 600 Ω
Connection terminal Terminal blocks 5-pole / 17-pole, removable
Mains fuse / fine wire fuse slow-blow 250 V / 100 mA
EMC Specifications
Emissions According to EN 50081-1
Susceptibility According to EN 50082-1
Environmental Conditions
Ambient temp. operating range 0 to 50
o
C
Relative humidity 10 to 95%, non-condensing
Mechanical Specifications
Dimensions (control panel housing - L x H x W) 175 x 96 x 96 mm
Weights (control panel housing) max. 0.7 kg
Material ABS with polycarbonate (front housing)
Insulation (Front / Housing) IP 54 / IP 65