Technical data
11.8 Programmer (infrared keypad)
SITRANS LR250 with mA/HART
182 Operating Instructions, 10/2019, A5E32220602-AG
11.8 Programmer (infrared keypad)
The battery is non-replaceable with a lifetime expectancy of 10 years in normal use. To
estimate the lifetime expectancy, check the nameplate on the back for the serial number.
The date of manufacture is encoded in the serial number. For example, the following was
manufactured on March 5, 2016:
PBD/H3050001
H: year of manufacture (H is the alpha code referring to 2016; J refers to 2017 and so on).
3: month of manufacture
05: day of manufacture
0001: 4-digit sequential
Year 2010: Alpha code = A
Year 2011: Alpha code = B
Year 2012: Alpha code = C
Year 2013: Alpha code = D
Year 2014: Alpha code = E
Year 2015: Alpha code = F
Year 2016: Alpha code = H
Year 2017: Alpha code = J
Year 2018: Alpha code = K
Year 2019: Alpha code = L
pha code = M
Siemens Milltronics Infrared IS (Intrinsically Safe) Handheld Programmer for hazardous and
all other locations (battery is non-replaceable).
FM/CSA Class I, II, III, Div. 1, Gr. A to G T6
ATEX 1 GD Ex ia op is IIC T4 Ga
Ex ia op is IIIC T135°C Da
IECEx Ex ia op is IIC T4 Ga
Ex ia op is IIIC T135°C Da
INMETRO Ex ia op is IIC T4 Ga
Ex ia op is IIIC T135°C Da
−20 to +50 °C (−5 to +122 °F)
proprietary infrared pulse signal
3 V non-replaceable lithium battery
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