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Condition Monitoring Custom Product s CMCP 1210 Spring Loaded Bearing
Temperature Sensor Instructions
Condition Monitoring Custom Products

"Vibration Monitoring and Machine Protection Systems"


2911 S. Shore Blvd., Ste. 170, League City, TX 77573 Phone: 281.334.0766 Fax: 281.334.4255
Condition Monitoring Custom Product
s

www.stiweb.com

Features
Tip Sensitive RTD or Thermocouple For use to 260º C (500º F) Adjustable Spring-Loaded Holder with Fluid
Seal Aluminum Connection Head For Bearings, Blocks and Other Solids

The CMCP-1210 series bearing temperature sen-
sor provides, fast and accurate readings from bear-
ings, blocks, and other solids. CMCPs spring-
loaded holder ensures solid contact in drilled holes
with a built-in oil seal. The sensing probe features a
copper alloy tip for quick response to temperature
changes. Probes may be cut to length in the field
using a tube cutter. Explosion proof version is
available upon request.

Temperature range:
-50º to 260º C (-58º to 500º
F)
Material:
Probe: SS with Copper Alloy
Tip Holder: Nikel Plated
Steel with Viton O-ring
Head: Aluminum
Pressure rating:
50 psi (3.4 bar)
Insulation resistance: 10 megohms min. at 100
Vdc, leads to case. Un-
grounded junctions only on
thermocouples.
Connection:
Terminal block for wires to
14 AWG
Conduit thread:
1/2 or 3/4 NPT (Bushing
Provided)
Bearing entry:
1/2 NPT (For 3/4 NPT, use
optional CMCP-1211
Adapter. Add 1 to length for
adapter.)
Time constant:
Typical value in moving wa-
ter: 2.0 seconds
Calculating Insertion Depth and Total Probe Length

To calculate probe length, measure the distance from the bearing housing to the bearing surface. Add 3.6 to
this measurement to allow for the 1/2 NPT fitting, or 4.6 for the 3/4 NPT fitting.

A - Insertion Depth: ____________

B - Fitting Adder (3.6 or 4.6): ____________

C - Total Probe Length (A+B): ____________ Condition Monitoring Custom Products

"Vibration Monitoring and Machine Protection Systems"


2911 S. Shore Blvd., Ste. 170, League City, TX 77573 Phone: 281.334.0766 Fax: 281.334.4255
Condition Monitoring Custom Product
s

www.stiweb.com

CMCP 1210 Spring Loaded Bearing
Temperature Sensor Instructions
Installing Fitting and Conduit Head

1.
Drill and tap bearing housing to 1/2" or 3/4
NPT depending on specific model

2.
Install fitting and conduit head


Cutting Probe to Length

1. Remove the Teflon ferrule from the leads end
of the probe
2. Mark for proper length
3. Cut using a good quality tubing cutter intended
for stainless steel, a better alternative is use of
a miniature rotary cut off wheel
4. Cutter must have a sharp edge to prevent
rolling in during cutting
5. After cutting carefully deburr the cut end
6. Reinstall Teflon ferrule

Inserting Probe Into Spring Loaded
Holder

Spring-loaded holders ensure positive contact of
probe tips against sensed surfaces. The improved
thermal contact provides faster and more accurate
thermal response, while the spring helps to
dampen vibrations which could damage the probe

1. No special tools are needed
2. Pull out the knurled release knob
3. Insert probe until it bottoms out
4. Release the knob