Operator's manual User Manual

2-1.3.9-ME Gas sampling and gas conditioning technology 13
Temperature controller
II3G Ex nA nC nL IIC T5 to T2
II3D Ex tD A22 IP65 T75°C to T235°C
Class I, Div. 2, Groups A/B/C/D T5 – T2B
Admissible medium temperature on the probe
inlet
The admissible medium temperature is limited by the materials used (< 200°C)
and by the maximum admissible surface temperatures as shown in table 4.
Power max. 800 W (240V), max. 830 W (120V)
Case protection IP65; EN60529
Operating temperature 0°C to max. 230°C according to T-class, pls. indicate with order.
Ambient temperature 0 °C to +50 °C controller: 0 °C bis +50 °C, heating termi-
nal box: -20 °C bis +70 °C
Low temperature alarm contact

5°C to Tset, capacity 250V 3A AC, 0,25A DC.
1 contact NO, potentialfree.
Excess temperature limiter +5°C to Tsoll, manual reset
Option back purge unit type RS RS
Part No. 20S5560 (a)
Power supply 230V 50/60Hz 9W or 115V 50/60Hz 9W (a)
Electrical connection cable 3x1mm
2
Marking
II 3GD T4
Connection G 1/2”i at the buffer vessel
Max. back purge pressure 6 bar abs.
Volume buffer vessel 2 liters
Ambient temperature -20°C to 60°C
Option 2-way-ball valve in the probe entrance /VA
Part No. 20S9050
Operating temperature -20°C up to 185°C
Option 2/3-way-ball valve in the probe en-
trance
/3VA
Part No. 20S9325
Backflush / Test gas connection 6mm tube
Operating temperature -20°C up to +185°C
Option pneum. drive for ball valve /VA o. /3VA MS1
Part No. 20S9055
Connection control air G1/4” i
Pressure control air 5-10 bar
Option valve for blowback or calibration gas
1/4”
/R
Part No. 20S9045
Opening pressure >0,7 bar
Connection 6mm tube
Maximum blow back pressure 6 bar abs.
Maximum operating temperature +185 °C
Option variable calibration gas feeding /R + /CC and /CCF