Martens TG50Ex - Temperature Guard

Inputs Explosions protection : II (1) G [Ex ia] IIC/IIB or II (1) D [Ex iaD] Approval : TÜV 08 ATEX 554329 Fault detection : broken line (Pt100/1000 and thermocouple) and short circuit (only Pt100/1000) Input RTD : Pt100 (3-wire) -100.0..+600.0 °C Pt1000 (3-wire) -100.0..+300.0 °C (terminals 35, 36, 37) Input TC : Thermocouple type J -100.0..+800.0 °C type K -150..+1200 °C type N -150..+1200 °C type S -50..+1600 °C cold junction compensation integrated (terminals 45 and 47) Accuracy : <0.1 %, ±1 Digit Temperature coefficient : 0.01 %/K Safety data Max. voltage no load U0 : 1,4 V Max. short circuit curr. I0 : 2.5 mA Max. output power P0 : 3 mW Resistance R : 5600 Ω Characteristic curve : trapezoidal Internal inductivity : 4 μH Internal capacity : 135 nF Explosion protection Ex ia/IIC ia/IIB Max. external inductivity : 100 mH 100 mH Max. external capacity : 25 μF 120 μF Outputs Alarm outputs : relay SPDT < 250 V AC < 250 VA < 2 A cos Phi ≥ 0.3 < 300 V DC < 40 W <2 A (terminals 21, 22, 23; 25, 26, 27) Analog output : 0/4..20 mA burden ≤ 500 Ω 0/2..10 V burden > 500 Ω, isolated output changes automatically (burden depending) - Accuracy : 0.2 %; TK 0.01 % / K (terminals 17 and 18) Fault function : for broken line or short circuit detection → analog output (programmable) 0 mA, < 3.6 mA or >21.5 mA → alarm relays min. or max. function programmable Display : graphic-LCD-display, 128 x 64 Pixel with white LCD backlit Case : Polyamide (PA) 6.6, UL94V-0 TS35 acc. to DIN EN 60715 Weight : approx. 450 g Connection : screw terminals 0.14..2.5 mm² AWG 26..AWG14 Protection class : case IP30, terminals IP20 acc. to BGV A3