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 2019 CDI Meters, Inc. 

10.19 

Preparing for Installation 

When the holes are drilled, metal shavings will enter the pipe. Make sure that 
filters or other provisions are present downstream to prevent shavings from 
damaging equipment or product or being blown out and causing injury. 

Prepare the meter for the direction of flow.  The flow arrow on the meter must be 
oriented to match the direction of flow in the pipe. If doing so will cause the 
display to be upside-down, remove the cover of the meter, lift out the display, 
rotate both 180° and re-install. 

Apply the “Holes in Pipe” decal so that it will be hidden when the meter is in place 
but will be revealed when it is removed. 

Installing the Meter

 

 

                                 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Installation of the CDI 5250 Hot Tap Flowmeter should be done by an 
experienced mechanic.  As a precaution, hearing, face, and hand protection 
should be worn at all times.  If done properly, the sound of the drill will be the 
loudest part of the installation.   

 
 
 
 

Summary of Contents for 5250

Page 1: ...cdimeters CDI Meters Inc support cdimeters com 866 885 2462 www cdimeters com CDI 5250 Hot Tap Flowmeter Installation and Operating Instructions ...

Page 2: ...trogen They must be installed in a pressurized pipe to ensure all chips are cleared They are not for use in control or safety applications or designed for installation where pressure exceeds 130 psig 9 barg The temperature compensation of the meters is suitable for use from 20 to 120 F 7 to 49 C Locating the Meter For accurate and reliable readings the meters must be installed with adequate straig...

Page 3: ...match the direction of flow in the pipe If doing so will cause the display to be upside down remove the cover of the meter lift out the display rotate both 180 and re install Apply the Holes in Pipe decal so that it will be hidden when the meter is in place but will be revealed when it is removed Installing the Meter Installation of the CDI 5250 Hot Tap Flowmeter should be done by an experienced m...

Page 4: ...asionally back the drill bit off of the pipe to help dissipate heat and clear the chips b Once you have broken through the first wall of the pipe and being careful not to drill into the far wall run the drill bit up and down through the hole to ensure clean edges With the drill bit still spinning extract it so one to two inches of it is exposed being careful not to completely remove the bit or exp...

Page 5: ...nted to the base b With the flow arrow in the correct direction insert the probes into the two holes of the slider plate Expect some resistance as the probes make their way through the O rings Continue to push in until the probes make contact with the closed valves At this point any leakage noted in step 2c should go away Step 4 a With one hand firmly holding the top assembly use the other to rota...

Page 6: ...er will draw a maximum of 250 mA Unlike earlier 5200 and 5400 meters the Rev 3 meters do not connect the dc terminal to the pipe on which they are mounted Please note that 18 Volt dc supplies furnished with some earlier CDI flowmeters do not provide the voltage required for Rev 3 meters REMOTE DISPLAY If you are using the summing remote display SRD connect the three terminals marked display to the...

Page 7: ...he receiving device to the negative supply of the meter If an isolated relay contact is required install the CDI 5200 IPO isolated pulse output and wire it to the receiving device SERIAL COMMUNICATION OPTION The RS 485 signal used with the Serial Communication option is wired to the Serial Communication display board The two threaded openings in the meter enclosure permit the signal to be wired fr...

Page 8: ...umulative usage will reset that value to zero The display normally defaults to the rate display but this can be changed as can the units of measure and the decimal point location in the cumulative modes Please refer to information on configuring the display Maintenance If oil or dirt accumulates on the probes the meter will read inaccurately For this reason we recommend cleaning the probes from ti...

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