User Manual
Siemens Building Technologies CE2B5378xx 15.05.2015 7
6. Technical data
Note: The information on the meter must be observed!
General
Measuring accuracy Class 2 or 3 (EN 1434)
Environment class A (EN 1434) for indoor installation
Mechanical class M1 *)
Electromagnetic class E1 *)
*) according to 2004/22/EC Directive on Measuring Instruments
Ambient humidity <93 % rel. humidity at 25 °C without condensation
Max. height 2000 m above sea level
Storage temperature -20 … 60°C
Electronic unit
Ambient temperature 5… 55 °C
Housing protection rating IP 54 according to EN 60529
Power supply Battery for 6 or 11 years
or 24 V AC / DC external (optional)
Operation threshold f. ∆T 0.2 K
Temperature difference ∆ T 3 K … 80 K
Temperature measurement
range
0 ... 105 °C
National type approvals may be different.
LCD indication 7 digit
Optical interface Standard, EN 1434-3
Communication Optional: M-Bus or pulse output
Protocol IEC 870, 300 baud in Nb
Separability Always detachable, cable length 1 m
Temperature Sensor
Type Pt 500 according to EN 60751
Connection type 2-wire technology, fixed connection
Cable length 1.5 m (optional 5 m)
Construction type DS direct short, M10 × 27.5 mm or PS pocket short
ø 5.2 x 45 mm according to EN 1434
Temperature range 0 ... 105 °C
National type approvals may be different.
Max. temperature 105 °C
Volume measurement unit
Protection class IP 54 / IP 65 according to EN 60529
Mounting place Hot side / cold side
Installation position Any, horizontal or vertical
Smoothing section None
Measuring range Approved 1:100, calibrated 1:50
Temperature range 5… 105 °C
National type approvals may be different!
recommended for...
...heating applications 15… 105 °C
...cooling applications 5… 50 °C
Maximum overload qs = 2 × qp, permanent
Nominal pressure PN16 (1.5 MPa; PS16)
qp Overall length and connection
0,6 110mm (3/4'') 190mm (1'')
1.5 110mm (3/4'') 190mm (1'')
2.5 130 mm (1'') 190mm (1'')
Note: The documentation made available or acquired
along with our products (appliances, applications,
tools etc.) must be read carefully and completely prior
to use.
We require the users of the products and documents
to be appropriately authorised and trained and to have
appropriate specialist knowledge so that the products
can be used correctly.
Additional information about the products and applica-
tions can be found at:
Your nearest Siemens location
www.siemens.com/sbt or your system sup-
plier
Please be aware that Siemens will not be held legally
liable for any damage which results from non-
adherence to or inappropriate adherence to the points
above.