4210 Flow Meter
Section 3 Installation
3-5
3.3 Flow Meter Mounting
and Installation
Procedures
Because the 4210 Flow Meter is a portable device, it may or may
not be permanently installed. You can suspend the flow meter in
temporary installations, such as sewers, or mount it perma-
nently in other installations, such as treatment plants.
3.3.1 Carrying Handle To assist in transporting or suspending the flow meter, a handle
is provided in the instrument's accessory package. To install the
handle, snap the handle latches into the two brackets at the top
of either side of the flow meter case.
Figure 3-2 4210 Suspended by Handle (handles may vary)
3.3.2 Installation Location Because it uses an ultrasonic level sensor, the 4210 Flow Meter
does not have to be mounted directly above the primary device,
or even close to the flow stream. You can install the flow meter
itself at a convenient, protected location and route the sensor
cable to the place where the level sensor is mounted. For
example, the flow meter may be mounted above the surface of the
ground for protection and easy accessibility, and then the
manhole has to be entered only once, for ultrasonic level sensor
installation and calibration.
The standard cable length for the ultrasonic level sensor is 25
feet. A 25-foot extension cable is available that will extend this
distance to 50 feet. You can order an extension cable that will be
custom-built in lengths up to 1,000 feet. This is not a standard
product. Operation of the ultrasonic level transducer beyond
1,000 feet is not recommended.
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