2
3
2.2 Electrical: Input/Output
Input Power
100 to 240 VAC, 50 or 60 Hz, 7 A maximum
Fuse: 6.3 A
Input Signals
Contacting Conductivity
0.1, 1.0, or 10.0 cell constant OR
Electrodeless Conductivity
Temperature
100 or 1000 ohm RTD, 10K or 100K Thermistor
Digital Input Signals (2):
State-Type Digital Inputs
Electrical: Optically isolated and providing an electrically isolated 9V 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: Interlock
Low Speed Counter-Type
Digial Inputs
Electrical: Optically isolated and providing an electrically isolated 9V power with
a nominal 2.3mA current when the digital input switch is closed 0-10 Hz, 50 msec
minimum width
Devices supported: Any device with isolated open drain, open collector, transistor or
reed switch
Types: Contacting Flowmeter
High Speed Counter-Type
Digial Inputs
Electrical: Optically isolated and providing an electrically isolated 9V power with a
nominal 2.3mA current when the digital input switch is closed, 0-500 Hz,
1.00 msec minimum width
Devices supported: Any device with isolated open drain, open collector, transistor or
reed switch
Types: Paddlewheel Flowmeter
Powered Mechanical Relays
(0 or 3 depending on model
code):
Pre-powered on circuit board switching line voltage
6 A (resistive), 1/8 HP (93 W) per relay
All three relays are fused together as one group, total current for this group must not
exceed 6A
Dry contact Mechanical
Relays (0 or 3 depending on
model code):
6 A (resistive), 1/8 HP (93 W) per relay
Dry contact relays are not fuse protected
4 - 20 mA (0 or 1 depending
on model code):
Internally powered
Fully isolated
600 Ohm max resistive load
Resolution 0.0015% of span
Accuracy ± 0.5% of reading
Agency Approvals
Safety
UL 61010-1:2012 3rd Ed.
CSA C22.2 No. 61010-1:2012 3rd Ed.
IEC 61010-1:2010 3rd Ed.
EN 61010-1:2010 3rd Ed.
EMC
IEC 61326-1:2012
EN 61326-1:2013
Note: For EN61000-4-6, EN61000-4-3 the controller met performance criteria B.
*Class A equipment: Equipment suitable for use in establishments other than domestic, and those directly connected to
a low voltage (100-240 VAC) power supply network which supplies buildings used for domestic purposes.
2.0 SPECIFICATIONS
2.1 Measurement Performance
0.1 Cell Contacting Conductivity
Range
0-3,000 µS/cm
Resolution
0.1 µS/cm, 0.0001 mS/cm, 0.01 mS/m, 0.0001 S/m, 0.1 ppm
Accuracy
± 1% of reading
1.0 Cell Contacting Conductivity
Range
0-30,000 µS/cm
Resolution
1 µS/cm, 0.001 mS/cm, 0.1 mS/m, 0.0001 S/m, 1 ppm
Accuracy
± 1% of reading
10.0 Cell Contacting Conductivity
Range
1,000-300,000 µS/cm
Resolution
10 µS/cm, 0.01 mS/cm, 1 mS/m, 0.001 S/m, 10 ppm
Accuracy
± 1% of reading
Temperature
Range
23 to 500°F (-5 to 260°C)
Resolution
0.1°F (0.1°C)
Accuracy
± 1% of reading
Electrodeless Conductivity
Ranges
Resolution
Accuracy
500-12,000 µS/cm
1 µS/cm, 0.01 mS/cm, 0.1 mS/m, 0.001 S/m, 1 ppm
± 1% of reading
3,000-40,000 µS/cm
1 µS/cm, 0.01 mS/cm, 0.1 mS/m, 0.001 S/m, 1 ppm
± 1% of reading
10,000-150,000 µS/cm
10 µS/cm, 0.1 mS/cm, 1 mS/m, 0.01 S/m, 10 ppm
± 1% of reading
50,000-500,000 µS/cm
10 µS/cm, 0.1 mS/cm, 1 mS/m, 0.01 S/m, 10 ppm
± 1% of reading
200,000-2,000,000 µS/cm
100 µS/cm, 0.1 mS/cm, 1 mS/m, 0.1 S/m, 100 ppm
± 1% of reading
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 above apply at 25°C. At higher temperatures, the range is reduced per the range multiplier
chart.
