• Simple switch point setting by means of two setting rings allowing optimum reading
  • Setting of the switch points without system temperature being applied
  • Two complementary switching outputs with adjustable hysteresis
  • Particularly good response dynamics and very short power-on delay time
  • Mechanical locking prevents inadvertent switch point manipulation
  • Description
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Measuring element 1 x Pt 1000; (to DIN EN 60751, class A)
Media liquids and gases
Medium temperature [°C] -40…145
Pressure rating [bar] 400
Electrical data
Operating voltage [V] 9.6…32 DC; (“supply class 2” to cULus)
Current consumption [mA] < 30
Protection class III
Reverse polarity protection yes
Power-on delay time [s] 0.5
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 complementary
Max. voltage drop switching output DC [V] 2
Permanent current rating of switching output DC [mA] 500
Short-circuit protection yes
Type of short-circuit protection pulsed
Overload protection yes
Measuring/setting range
Measuring range
-20…140 °C -4…284 °F
Set point SP
-16…140 °C 3…284 °F
Reset point rP
-20…136 °C -4…277 °F
Accuracy / deviations
Temperature drift per 10 K [K] 0.1 **)
Repeatability [K] ± 0,1
Setting accuracy [K] ± 3
Response times
Dynamic response T05 / T09 [s] 1 / 3; (to DIN EN 60751)
Software / programming
Adjustment of the switch point setting rings
Operating conditions
Ambient temperature [°C] -40…80
Note on ambient temperature
at medium temperature: < 80 °C
-40…50 °C
at medium temperature: < 145 °C
Storage temperature [°C] -40…100
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)
MTTF [years] 643.1
UL approval
UL Approval no. K018
Mechanical data
Weight [g] 100.5
Materials stainless steel (1.4404 / 316L); PC; PBT; FKM
Materials (wetted parts) stainless steel (1.4404 / 316L); FKM
Process connection threaded connection 1/4″ NPT
Probe diameter [mm] 6
Installation length EL [mm] 50
Displays / operating elements
operation LED, green
switching status LED, yellow
**) in case of deviation from the reference condition 25 °C
The values for accuracy apply to flowing water.
Pack quantity 1 pcs.
Electrical connection
Connection Connector: 1 x M12; Contacts: gold-plated


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