Martens Limiter STL50Ex - Safety Temperature

Power supply
Supply voltage : 230 V AC ±10 %
115 V AC ±10 %
24 V DC ±15 %
Power consumption : < 4 VA
CE-conformity : EN 61326-1: 2013
EN 61326-2-2: 2013
Ambient conditions
Operating temperature : -10..+55 °C
Storage temperature : -30..+60 °C
Relative humidity : < 95 %
Condensation : not permitted, operation only in
vibration less ambient
Approvals Title
EN 14597:2005 : temperature control devices and
temperature limiters for
heat-generating systems
EN 61508:2001 SIL2 : Functional security safety-related
electrical/electronic/programmable
electronic systems
Input
Explosion protection : II (1) G [Ex ia] IIC/IIB or
II (1) D [Ex ia Da] IIIC
Approval : TÜV 07 ATEX 554295
Pt100 : -100.0..+600.0 °C, 3-wire,
3-wire, max. line resistance 4 Ω
each line, sensor current<1 mA
(non self heating)
Data in case of an error
Max. voltage no load U0 : 1.4 V
Max. short circuit current I0 : 6 mA
Max. power loss P0 : 7 mW
Min. internal resistor R : 1.6 kΩ (curve trapezoidal)
Explosion protection Ex ia/IIC ia/IIB
Max. external inductivity : 100mH 20mH
Max. external capacity : 110μF 28 μF
Internal capacity : negligible
Internal inductivity : negligible
Thermocouple
Type J : Fe-CuNi, -100.0..+800.0°C
Type K : NiCr-Ni, -150..+1200 °C
Type N : NiCrSi-NiSi, -150..+1200°C
Type S : Pt10Rh-Pt, 0..1600 °C
cold junction compensation integrated
Data in case of an error
Max. voltage no load U0 : 0.7 V
Max. short circuit current I0 : 2 mA
Max. power loss P0 : 1.5 mW
Min. internal resistor R : 5 kΩ (curve trapezoidal)
Explosion protection Ex ia/IIC ia/IIB
Max. external inductivity : 100mH 50mH
Max. external capacity : 240μF 54 μF
Internal capacity : negligible
Internal inductivity : negligible
Accuracy : <0.5 %, ±2 Digit
Temperature coefficient : 0.01 %/K
Display : graphic LCD-display 28 x 64 Pixel,
with white LCD-backlight