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Text version of the page
CT325 Miniature DC Temperature Controller
Specification options
CT325 Model number P D Sensor type from table belowWiring diagrams AC powered heaters
1 P ower supply: 1 = 4.75 to 10 VDC2 = 7.5 to 60 VDCIntroductionDesignGuide 1 23 4 567 C Temperature range: A = 25 to 75°C (thermistor only)C = 2 to 200°C (RTD only) DC
+– P owerSupp T D 1 Dead band: l y 1 = 0.1°C CT325 P D1C1 = Sample part number
olyimideHeatersSiliconeRubberHeaters (foil)Standard Sensor type Code
P 100 Ω platinum RTD P D HeaterR 1000 Ω platinum RTD P F 50 k Ω thermistor TF
1 23 4 56 Note: Sensors often used with the CT325 are found at thebeginning of this section. Fuse Fuse DC
+– P owerSupp l y T hermistor
olyimide& RubberRubberHeaters(wire-wound)Mica HeatersThermal-ClearHeatersAll- P
Dimensions in inches ( mm )
Heater The CT325 can provide the control signal to an external solidstate relay to switch AC power. Use a DC supply voltage suitablefor both the CT325 and SSR..69(17.5)1.09 (27.7) Mounting Hole C T 325 1234567 Fuse 1 .50(3 +– 8 . 1 ) DC P owerSupp l yAC T D 1 23 4 567 14 9 (3. 8 )I.D. + – 1 .00(25. T HRU 4 ) INPUTOUTPUT4 olyimideHeatersSensors,Controllers &AccessoriesReference So l idState P SetpointAdjust 2 13 Re l ay Neutra l temp 11 5 VAC setpoint T est P ointsV Line GNDV Heat Indicator0. HeaterFuseR Specifications subject to change