Fieldpiece TC48 User Manual
Large Pipe Clamp Type K
Thermocouple
(3/4" to 4 1/8")
OPERATOR'S
MANUAL
Model TC48
Quick Start
1 Plug your TC48 into a compatible Type K
thermocouple mini jack.
2 Perform a eld calibration for best accuracy.
See "Field Calibration" later in this document.
3 Clamp onto an electrically-conductive pipe.
4 Take the measurement once the reading
stabilizes.
What's Included
Large Pipe Clamp Type K Thermocouple
Emery Cloth for Cleaning Pipes
Operator's Manual
1 Year Limited Warranty
WARNING
Do not remove the clamp from a pipe by pulling on the
cord. Doing so might damage the sensor.
The entire clamp may become hot when testing hot pipes
or cylinders. Use caution when handling.
Description
Use your new TC48 Large Pipe Clamp Type K
Thermocouple to take temperatures of pipes or
any electrically conductive cylindrical surface
measuring between 3/4’’ to 4 1/8’’ in diameter.
The reach of this clamp's jaws covers most
sizes seen in residential and commercial
systems. The clamp's design enables a quick
setup onto the line set with a single-handed
operation.
The patented Rapid Rail™ sensor is specically
designed for pipe readings. Readings are
extremely fast and accurate. Easily measure the
temperature of pipes that are axed to walls or
other surfaces, regardless of angle. Connect your
TC48 to a thermometer with a compatible Type
K thermocouple mini jack.
Operation
Field Calibration
Due to variances in the thermocouple wire
and other parts of the system, a eld calibration
to a known temperature (ice water) should
be conducted before use. Depending on the
meter, eld calibration typically gives an overall
accuracy of ±1°F (±0.5°C). Refer to your meter's
operating manual for calibration instructions.
Also note that calibration is recorded on
the meter’s side. Calibrate your meter to the
clamp every time you connect the clamp to the
thermocouple jack for best results.
Rapid Rail™ Sensor Advantages
Traditional pipe clamps sit on top of the
pipe surface. Some sensors touch the pipe,
some have a material between the pipe and
the sensor. They can be aected by wind, heat,
corrosion, insulation, paint, dirt, etc.
The Rapid Rail™ sensor uses the pipe itself to
complete the thermocouple circuit. The pipe is
part of the sensor! If you get a measurement,
you know it's correct.
Because the pipe is the thermocouple
junction, all you need is enough contact for
conductivity. This means the clamp can sit on an
angle or on a bend without loss in performance.
When used with the SMAN® Refrigerant
Manifold, there is a beeper and to indicate
whether or not the circuit is closed and a
temperature is being measured:
Double beep = Open Circuit (No temp)
Single beep = Closed Circuit (Display temp)
If you don't get a pipe temperature
measurement, there's something on the
pipe that's blocking the electrical circuit (and
accuracy). Sometimes you can slightly rotate
the clamp back and forth around the pipe to cut
through contaminants. Sometimes you need to
sand the pipe a bit.
01 02 03 04 05
Maintenance
SM380V
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SM480V
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CLEANING: Clean the exterior with a damp
cloth. Do not use detergents or solvents.
Specifications
Pipe Contact Surface Compatibility: Electrically conductive
Pipe Size Compatibility: 3/4" to 4 1/8"
(19.05mm to 104.78mm) OD
Sensor Type: Rapid Rail™ thermocouple
(nickel chromium / nickel aluminum)
Plug Type: Type K male mini plug
Measurement Range: -50°F to 257°F (-46°C to 125°C)
Plastic body and wire insulation are designed to withstand a
maximum continuous temperature of 257°F (125°C).
Stabilization Time: 3 seconds typical
Accuracy: ±4°F (±2.2°C) thermocouple only
±1.0°F (±0.6°C) after eld calibration*
*Meets California's Title 24 requirements
Cable Length: 6 feet (1.8m)
Weight: 0.56 lbs (255 g)
US Patent: www.eldpiece.com/patents
Certifications
Limited Warranty
This product is warranted against defects in material and
workmanship for one year from date of purchase from an authorized
Fieldpiece dealer. Fieldpiece will replace or repair the defective unit,
at its option, subject to verication of the defect.
This warranty does not apply to defects resulting from abuse,
neglect, accident, unauthorized repair, alteration, or unreasonable
use of the instrument.
Any implied warranties arising from the sale of a Fieldpiece product,
including but not limited to implied warranties of merchantability and
tness for a particular purpose, are limited to the above. Fieldpiece
shall not be liable for loss of use of the instrument or other incidental
or consequential damages, expenses, or economic loss, or for any claim
of such damage, expenses, or economic loss.
State laws vary. The above limitations or exclusions may not apply
to you.
Obtaining Service
For international customers, warranty for products purchased
outside of the U.S. should be handled through local distributors. Visit
our website to nd your local distributor.
More Tools from
Fieldpeice
Use the Large Pipe Clamp Type K Thermocuple
with any compatible eldpiece products, such
as the SMAN® Refrigerant Manifold and clamp
meters. See eldpiece.com for latest products.
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INRUSH
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© Fieldpiece Instruments, Inc 2020; v07
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