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Siemens QVM62.1 Technical Instructions page 3

Air velocity sensor
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QVM62.1 Air Velocity Sensor
Connections
Degree of protection
Environmental conditions
Materials and colors
Weight
Engineering Notes
Siemens Industry, Inc.
Mechanical
Electric
Degree of protection provided by enclosures
as per EN 60 529
Transducer
Sensor head
Degree of protection as per EN 60 730
Climatic conditions
Temperature
Humidity (non-condensing)
Mechanical conditions
Chemical conditions
Storage (transducer and immersion stem)
Temperature
Humidity (non-condensing)
Mechanical conditions
Transportation
Temperature
Humidity (non-condensing)
Mechanical conditions
Housing bottom
Housing cover
Sensor pipes
Sensor head, extension, enc
Connecting flange
Sensor
With packaging
Place the sensor in a location where the airflow is quiet. Do not place it close to
dampers, registers or duct direction changes.
Use a transformer with safety extra-low voltage (SELV) and separate winding for 100%
ON-time.
Observe all local safety rules and regulations pertaining to sizing and protecting
transformers.
Note the permissible line length to the controller.
Screw connection
Screw terminal, maximum 2 × 18 AWG
IP 42
IP 20
III
23°F to 113°F (-5°C to 45°C)
<95% rh
Class 3M2
Class 3C2
23°F to 113°F (-5°C to 45°C)
<95% rh
Class 1M2
23°F to 113°F (-5°C to 45°C)
<95% rh
Class 2M2
Polycarbonate, RAL 7001 (silver-gray)
Polycarbonate, RAL 7035 (light gray)
Polycarbonate, RAL 7001 (silver-gray)
Polycarbonate, RAL 7035 (light gray)
Polycarbonate, RAL 7001 (silver gray)
Silicone-free
12 oz (0.352 kg)
Figure 2. Sensor Placement.
Technical Instructions
Document Number 155-006
October 26, 2006
Page 3

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