4
Temperature °C
Range Multiplier
Temperature °C
Range Multiplier
0
181.3
80
43.5
10
139.9
90
39.2
15
124.2
100
35.7
20
111.1
110
32.8
25
100.0
120
30.4
30
90.6
130
28.5
35
82.5
140
26.9
40
75.5
150
25.5
50
64.3
160
24.4
60
55.6
170
23.6
70
48.9
180
22.9
Note: Conductivity ranges on page 2 apply at 25°C. At higher temperatures, the range is reduced per the range multiplier
chart.
2.2 Electrical: Input/Output
Input Power
Model Code Dependent:
Relay Board Option 9: 100 to 240 VAC, 50 or 60 Hz, 20 A maximum
All other options: 100 to 240 VAC, 50 or 60 Hz, 15 A maximum
Optional Auxiliary DC Power
12V or 24V, 10 Watts, fully isolated with short circuit protection
Inputs
Sensor Input Signals (0 to 8 depending on model code):
Contacting Conductivity
0.01, 0.1, 1.0, or 10.0 cell constant OR
Electrodeless Conductivity
OR
Disinfection
OR
Amplified pH, ORP or ISE
Requires a preamplified signal.
±5VDC power available for external
preamps.
Each sensor input card contains a temperature input
Temperature
100 or 1000 ohm RTD, 10K or 100K Thermistor
Analog (4-20 mA) Sensor Input (0 to 24
depending on model code):
2-wire loop powered or self-powered transmitters supported
3 or 4 –wire transmitters supported
Two to Six channels per board, depending on model
Channel 1, 130 ohm input resistance
Channel 2-6, 280 ohm input resistance
All channels fully isolated, input and power
Available Power:
One independent isolated 24 VDC ± 15% supply per channel
1.5 W maximum for each channel
Digital Input Signals (12 standard):
State-Type Digital Inputs
Electrical: Optically isolated and providing an electrically isolated
12VDC power with a nominal 2.3mA current when the digital input
switch is closed
Typical response time: < 2 seconds
Devices supported: Any isolated dry contact (i.e. relay, reed switch)
Types: DI State
