2
For NPT Fittings wrap all connections with
3 to 4 wraps of thread tape. Make sure the
tape does not intrude into the flow path.
3. Attach meter with arrow pointed in the direc-
tion of fluid flow.
4. For NPT Fittings - Hand tighten the meter at
the housing ends. Do not use a wrench or
similar tool to tighten. This can damage the
housing.
5. For ANSI or DIN Flange Fittings - Customer
to provide:
• Ring Gaskets or Full-Face Gaskets ap-
proved for use with type flange installed
(ANSI or DIN) and the fluid being monitored
(2 required).
• 5/8”boltsandnutsforANSIanges.Four
per side for 3-inch meters; eight per side
for 4-inch meters.
• 16 mm bolts and nuts for DIN anges.
Eight per side for 3-inch and 4-inch meters.
• Torqueboltsusingastarpatternto25ft-lbs.
Supplied flanges are two-piece Van Stone
style and allow the meter to be oriented
regardless of the mating flanges position.
For best results, always verify accuracy before
use.
OPEN COLLECTOR SIGNAL OUTPUT
Wiring Diagram 1
+9 to 35 volt DC
Open Collector
Signal
3
2
1
4
Red
White
Black
Common
(Ground)
Terminal
Block
Customer
Interfacing
Equipment
The terminal block is identified as follows:
Pin #1 6 volt square wave (not used)
Pin #2 +9 to 35 volt DC Input
Pin #3 Common Ground
Pin #4 Open Collector signal Output
Resistor
WARNING
Make sure flow and pressure have been
eliminated from process pipe prior to
installing or removing product.
Compatibility of this product’s material and
the process fluid and/or environment should
be considered prior to putting into service.
WARNING
Product should never be operated outside its
published specifications for temperature or
pressure. See specifications for your model.
WARNING
Always use appropriate thread sealant or
flange gaskets when connecting product
to
process piping.
WARNING
www.calcert.com sales@calcert.com1.800.544.2843
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