Data Sheet for Product
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Siemens Flow sensor QVE2x00.0xx CM1N1597en
Building Technologies 2015-02-18
Technical data
Product data Nominal width and measuring range See "Type summary
General function data
Measuring principle
Sensing element
Vortex
Piezo-ceramic sensor element
Measuring accuracy
at < 50 % FS (water)
at > 50 % FS (water)
< 1 % FS (Full Scale)
< 2 % measured value
Dynamic response:
Response time
Switch-on delay
< 500 ms
< 2 s
Flow media
Heating water with standard additives
Potable water (hot / cold)
Admissible medium temperature Non-freezing …+100 °C
(short-term to +125 °C, < 4 bar)
Max. pressure at medium temperature
during life
12 bar at +40 °C
6 bar at +100 °C
Electrical data Types with voltage output Supply: DC 11.5…33 V, <6 mA (SELV)
Output: DC 0…10 V (loads up <1 mA)
Types with current output Supply: DC 18…33 V (SELV)
(for loads up to 500 Ω)
Output: DC 4…20 mA (loads up to 500 Ω)
Connections Electrical connection Straight, 3-pin plug M12x1 with 2 m cable
External thread on measuring pipe See Dimensions
Degree of protection Protection degree of housing
Protection class
IP65 according to EN 60529,
mounted and screwed
III according to EN 60730-1
Environmental conditions Permitted ambient temperature
Transport and storage
Operation
–15…85 °C
–30…85 °C
Environmental compatibility The product environmental declaration CE1E1597
*)
contains data on environmentally
compatible product design and assessments (RoHS compliance, materials composition,
packaging, environmental benefit, disposal).
Directives and Standards Product standard EN 61326-1
Electrical equipment for measurement, control
and laboratory use. EMC requirements. Gen-
eral requirements.
EU Conformity (CE) CE1T1597xx
*)
Materials Housing under pressure Plastic PA6T / 6I
Sealing material EPDM ethylene-propylene-rubber
(peroxide linked)
Sensor
ETFE
Dimensions (weight) Including packaging See Dimensions
*) The documents can be downloaded from http://siemens.com/bt/download.