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Replaced by: TR7432 – Product comparison: TR7430 / TR7432


Evaluation unit with display for PT100/PT1000 temperature sensors


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Technische Details
Product characteristics
Number of inputs and outputs Number of digital outputs: 2
Measuring range
-40...150 °C -40...302 °F
Process connection threaded connection G 1/2 external thread
Special feature Gold-plated contacts
Application for temperature sensors TS/TT
Electrical data
Operating voltage [V] 18...30 DC
Current consumption [mA] < 50
Min. insulation resistance [MΩ] 100; (500 V DC)
Protection class III
Reverse polarity protection yes
Power-on delay time [s] 1.5
Integrated watchdog yes
Inputs / outputs
Number of inputs and outputs Number of digital outputs: 2
Total number of outputs 2
Output signal switching signal
Electrical design PNP
Number of digital outputs 2
Output function normally open / normally closed; (parameterisable)
Max. voltage drop switching output DC [V] 2
Permanent current rating of switching output DC [mA] 250
Short-circuit protection yes
Type of short-circuit protection pulsed
Overload protection yes
Measuring/setting range
Measuring range
-40...150 °C -40...302 °F
Set point SP
-39.5...150 °C -39...302 °F
Reset point rP
-40...149.5 °C -40...301 °F
In steps of
0.5 °C 1 °F
Resolution of switching output [K] 0.5
Resolution of display [K] 0.5
Accuracy / deviations
Switch point accuracy [K] ± 0,2
Display accuracy [K] ± (0,2 + ½ Digit)
Temperature drift per 10 K [K] 0.1
Response times
Max. measuring/display cycle [ms] 200
Software / programming
Adjustment of the switch point programming button
Parameter setting options hysteresis / window; normally open / normally closed; min/max memory reset; Display unit; zero-point calibration
Operating conditions
Ambient temperature [°C] -25...70
Storage temperature [°C] -40...85
Protection IP 67
Tests / approvals
DIN EN 61000-4-2 ESD 4 kV CD / 8 kV AD
EN 61000-4-3 HF radiated 10 V/m
DIN EN 61000-4-4 Burst 2 kV
EN 61000-4-6 HF conducted 10 V
Shock resistance
DIN IEC 68-2-27 50 g (11 ms)
Vibration resistance
DIN EN 60068-2-6 20 g (10...2000 Hz)
Mechanical data
Materials stainless steel (1.4301 / 304); stainless steel (1.4305 / 303); EPDM/X; PC; PBT; FKM
Process connection threaded connection G 1/2 external thread
Displays / operating elements
switching status 2 x LED, red
function display 7-segment LED display
measured values 7-segment LED display
n.c. = not used
Pack quantity 1 pcs.
Electrical connection
Connection Connector: 1 x M12; Contacts: gold-plated
ifm electronic gmbh • Friedrichstraße 1 • 45128 Essen — We reserve the right to make technical alterations without prior notice. — EN-GB — TR7430-00 — 06.03.2003 —