Instruction and Operation Manual
X-CM-QmBS-eng
Part Number: 541B052AHG
June, 2008
Section 3 Installing Field-Mount Transmitter
QmBS Sensor / QTA Transmitters
3-2
3.2.1 Environmental Requirements
The transmitter’s environmental requirements include temperature, humidity, and vibration.
Temperature limits
Install the transmitter in an environment where ambient temperature is between –40 and +140 °F
(–40 and +60 °C). If possible, install the transmitter in a location that will prevent direct exposure to
sunlight.
Different ambient temperature requirements may apply, depending on your installation. Refer to the
approvals documentation included on the CD shipped with the transmitter.
Humidity limits
Install the transmitter in an environment where relative humidity is between 5 and 95%, non-
condensing at 140 °F (60 °C).
Vibration limits
The transmitter meets IEC 68.2.6, endurance sweep, 5 to 2000 Hz, 50 sweep cycles at 1.0 g.
3.2.2 Hazardous Area Classifications
If you plan to mount the transmitter in a hazardous area, verify that the transmitter has the appropriate
hazardous area approval. Each transmitter has a hazardous area approvals tag attached to the
transmitter housing.
For more information about hazardous area classifications and requirements, see Section A.3.2,
Table A-13.
3.2.3 Power Source
The transmitter must be connected to an AC or DC voltage source. The transmitter automatically
recognizes the source voltage.
AC power requirements
If you are using AC power, the following requirements apply:
•
85–265 VAC
•
50/60 Hz
•
6 watts typical, 11 watts maximum
