Siemens SITRANS L Operating Instructions Manual page 184

Technical specifications
11.8 Programmer (infrared keypad)
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
Siemens Infrared IS (Intrinsically Safe) Handheld Programmer for hazardous and all other
locations (battery is non-replaceable).
Approvals
Ambient temperature
Interface
Power
Weight
Color
Part number
184
Year 2016: Alpha code = H
Year 2017: Alpha code = J
Year 2018: Alpha code = K
Year 2019: Alpha code = L
Year 2020: Alpha code = M
CE and UKCA
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
UKEX 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
150 g (0.3 lb)
black
7ML1930-1BK
SITRANS LR250 with FOUNDATION FIELDBUS
Operating Instructions, 09/2021, A5E32221411-AH