Data Sheet for Product
8/10
Siemens Differential pressure sensor QBM3020.. / QBM3120.. CA1N1916en01
Smart Infrastructure 2019-10-09
for QBM3x20-1U, -1, -1D
− Zero point, end value
<±1 % FS
−
Sum from linearity, reproducible and
hysteresis
<±1 % FS
− TC zero point
<±0.1 % FS/°C
− TC sensitivity
<±0.06 % FS/°C
Long-term stability
±1,0% FS as per DIN IEC 60770
Response time
Load change
<20 ms
<10 Hz
Tolerable overload on one side
At P1
At P2
5,000 Pa
(10,000 Pa for types QBM3x20-5, -10, -25)
400 Pa
Rupture pressure
0…70 °C
at room temperature
1.
5 × overload
2 × overload
Display (on QBM3020-…D only)
Display of
LCD, 2-line, 8 position each, alphanumeric,
not background lit
Differential pressure in Pa
Media
Air and non-aggressive gases
Admissible medium temperature
0...70 °C
Maintenance
Maintenance free
Protection degree of housing
IP54 according to EN 60529
Protection class
III according to EN 60730-1
Electrical connection
Screw terminals for
cable lead
Ma
x. 1.5 mm
2
(wire or stranded wire)
Cable gland entry Pg 11
Pressure connection
PVC nipples
∅
6.2 mm
Permissible ambient temperature
Operation
Transport and storage
0
...70 °C
–25...+70 °C
Permissible ambient humidity
<90 % r. F. (without condensation)
Product standard
EN 61326-2-3:2013
Electrical equipment for measurement, control
and laboratory use. EMC requirements. Gen-
eral requirements
Electromagnetic compatibility (Applications) For use in residential, commerce, light-industrial
and industrial environments
EAC conformity
Eurasia conformity
EU Conformity (CE)
CE1T1910xx_01
*)
RCM Conformity
CE1T1910en_C1
*)
U
L 60730-1 / UL 60730-2-6
http://ul.com/database
The product environmental declaration CE1E1916
*)
contains data on environmentally compatible
product design and assessments (RoHS compliance, materials composition, packaging, envi-
ronmental benefit, disposal).
Weight (with packaging), without display
0.183 kg
Weight (with packaging), with display
0.196 kg
*) The documents can be downloaded from http://siemens.com/bt/download.
Degree of protection
Connections
Environmental conditions
Standards, directives and
approvals
Environmental
compatibility
Dimensions (weight)