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Technical Data
Sensing Heads Polytron SE Ex PR M1/2/3 DD and Polytron SE Ex PR NPT1 DD
Operating parameters
- constant sensor current 255 / 270 mA
- voltage at test points 561 / 594 mV (Controller unit Polytron SE Ex)
Enclosure protection acc. to EN 60 529: IP 66
Device description acc. to 94/9/EG: Dräger Safety, D-23560 Lübeck, Germany
Polytron SE Ex PR M1/2/3 DD
II 2G Ex de IIC T6/T5/T4
II 2D Ex tD A21 IP 6x T130°C
Polytron SE Ex PR NPT1 DD
II 2G Ex d IIC T6/T5/T4
II 2D Ex tD A21 IP 6x T130°C
BVS 10 ATEX E 060 X, IECEx BVS 10.0045X
CE-marking with number of Notified Body
year of construction by serial number
1)
Sensing Heads Polytron SE Ex LC M1/2/3 DD and Polytron SE Ex LC NPT1 DD
Operating parameters
- constant sensor current 276 mA
- voltage at test points 607 mV (Controller unit Polytron SE Ex)
Enclosure protection acc. to EN 60 529: IP 66
Device description acc. to 94/9/EG: Dräger Safety, D-23560 Lübeck, Germany
Polytron SE Ex LC M1/2/3 DD
II 2G Ex de IIC T6/T5/T4
II 2D Ex tD A21 IP 6x T130°C
Polytron SE Ex LC NPT1 DD
II 2G Ex d IIC T6/T5/T4
II 2D Ex tD A21 IP 6x T130°C
BVS 10 ATEX E 060 X, IECEx BVS 10.0045X
CE-marking with number of Notified Body
year of construction by serial number
1)
Environmental Conditions
Sensing Heads Polytron SE Ex PR M1/2/3 DD and Polytron SE Ex PR NPT1 DD as well as
sensing Heads Polytron SE Ex LC M1/2/3 DD and Polytron SE Ex LC NPT1 DD
Operation: Temperature ranges see “Ambient Temperature and
Temperature Classes” on page 27.
800 to 1100 hPa
5 to 95 % rel. humidity, non-condensing
Storage (also for replacement sensors) -40 to +65 °C
700 to 1300 hPa
10 to 90 % rel. humidity, non-condensing
storage time unlimited
1) Year of construction is coded by the third capital letter of the serial number on
the type plate: Z = 2008, A = 2009, B = 2010, C = 2011, D = 2012, E = 2013, etc.
Example: Serial number ARBH-0054, the 3rd capital letter is B, so the year of construction is 2010.
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