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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" bolts and nuts for ANSI flanges. Four
per side for 3-inch meters; eight per side
for 4-inch meters.
• 16 mm bolts and nuts for DIN flanges.
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.
2
0.544.2843
OPEN COLLECTOR SIGNAL OUTPUT
Red
Terminal
Block
1
2
3
4
White
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
www.calcert.com
15
10
20
5
25
0
30
Compatibility of this product's material and
the process fluid and/or environment should
be considered prior to putting into service.
Product should never be operated outside its
published specifications for temperature or
pressure. See specifications for your model.
Make sure flow and pressure have been
eliminated from process pipe prior to
installing or removing product.
Always use appropriate thread sealant or
flange gaskets when connecting product
process piping.
to
Wiring Diagram 1
+9 to 35 volt DC
Resistor
Black
Open Collector
Signal
WARNING
WARNING
WARNING
WARNING
Customer
Common
Interfacing
(Ground)
Equipment
sales@calcert.
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