9023744 - 3rd edition - October 2005
Page 25 of 40
Technical Data
Ex-sensors
Safety relevant parameters:
Power supply circuit
(terminals K1, K2, K3 and K4):
max. 32 V DC
Sensor output current circuit
(terminals K11, K12 and K13):
Nominal voltage max. 7.6 V DC
Current max. 2350 mA
Power max. 3.23 W
Max. connectable inductivity L
0
: 3 μH
Max. connectable capacity C
0
: 342 nF
Ex-sensor PR M
Part number 68 09 225
Dimensions and weight approx. dia.50 mm x 60 mm, approx. 0.2 kg
Operational parameters
Constant current, sensor current: 270 mA
Voltage at test points 891 mV
Device description acc. to Directive 94/9/EC Dräger Safety, D-23560 Lübeck, Germany
Type Ex-sensor PR M
II 2G EEx d IIC T6/T5/T4/T3
DMT 97 ATEX E001X
C
0158
, year of manufacturing by serial number
1)
1)
The year of manufacturing is coded by the third capital letter of the serial number on the type plate:
S = 2002, T = 2003, U = 2004, W = 2005, X = 2006, Y = 2007, Z = 2008, A = 2009, B = 2010, C = 2011, etc.
Example:
Serial number: ARSH-0054, the 3rd capital letter is S, so the year of manufacturing is 2002.
Ex-sensor LC M
Part number 68 10 350
Dimensions and weight approx. dia.50 mm x 60 mm, approx. 0.2 kg
Operational parameters
Constant current, sensor current: 276 mA
Voltage at test points 911 mV
Device description acc. to Directive 94/9/EC Dräger Safety, D-23560 Lübeck, Germany
Type Ex-sensor LC M
II 2G EEx d IIC T6/T5/T4/T3
DMT 02 ATEX E 188X
C
0158
, year of manufacturing by serial number
1)
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