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Text version of the page
| Page 5-29
Specifications subject to change
INSTRUMENTS
Specification and order options
Dimensions in inches (mm)
Wiring diagrams
AC powered heaters
The CT325 can provide the control signal to an external solid
state relay to switch AC power. Use a DC supply voltage suitable
for both the CT325 and SSR.
DC
Power
Supply
AC Solid
State Relay
115 VAC
+
–
Heater
Fuse
RTD
1 2 3 4 5 6 7
CT325
INPUT
OUTPUT
4
–
1
3
+
2
Neutral
Line
Fuse
1 2 3 4 5 6 7
Setpoint
Adjust
Test Points
Vtemp
GND
Vsetpoint
Heat Indicator
0.149 (3.8)
I.D. THRU
1.50
(38.1)
1.00
(25.4)
.69
(17.5)
(27.7)
Mounting Hole
DC
Power
Supply
+
–
Heater
RTD
1 2 3 4 5 6 7
Fuse
Sensor type Code
100Ù platinum RTD (0.00385 TCR) PD
1000Ù platinum RTD (0.00385 TCR) PF
50 kÙ thermistor R25/R125 = 31.2 TF
CT325 Model number
PD Sensor type from table
1 Power supply:
1 = 4.75 to 10 VDC
2 = 7.5 to 60 VDC
C Temperature range:
A = 25 to 75°C (thermistor only)
C = 2 to 200°C (RTD only)
1 Dead band:
1 = 0.1°C
CT325PD1C1 = Sample part number
Specify and order products at:
www.minco.com/sensors_config
STOCKED PARTS
Model #
Sensor
Type
Power
Supply
Temp.
Range
Dead
Band Stock Part #
CT325 PD 7.5 - 60 VDC 2 - 200ºC 0.1ºC CT325PD2C1
CT325 PD 4.75 - 10 VDC 2 - 200ºC 0.1ºC CT325PD1C1
DC
Power
Supply
+
–
Heater
Thermistor
1 2 3 4 5 6
Fuse
Note: Available up to 10 pieces or contact Minco Customer Service
Note: 50kW thermistor sensor TS665TF is available on page 10-6