
Type K Thermocouple Probes
Thermocouple Meters
Type K Probes
(800) 421-2853 • FAX (828) 658-0728 • www.palmerwahl.com
14
The quality of temperature measurement depends principally on the probe design as it relates to the
o
bject being measured. That’s why each of Wahl’s interchangeable thermocouple Type K probes is
scientifically engineered to do a specific job.
Wahl thermocouple probes are designed for the fastest response possible depending upon use.
E
ach starts with the thermocouple junction, precision welded for virtually instant response. Then a
stainless steel sheath is created with a thin wall for fast measurements or a thicker wall for heavy
duty applications. Surface probe tips are Wahl-engineered to provide optimum contact with the
least thermal load.
Portable probes have (except as noted) rugged Delrin
®
handles, ANSI mini-connectors and 5-foot
flexible compensated cables.
These probes are compatible and interchangeable for use with Wahl Heat-Prober Meters 2500/1370
series (page 10), TM410, and TM500 (page 11).
Calibration Traceable to NIST
All thermocouple probes are individually calibrated at two temperature points to the same NIST-
traceable secondary standards and tagged with calibration data. Probes are calibrated with your
purchased meter or with a factory maintained standard, so you get guaranteed precise
temperature measurements in the harshest environments.
Type K ANSI mini-
connector plugs
solidly into
thermocouple
meters.
Flexible compensated
cable takes abuse.
Rugged Delrin
®
handle
withstands high temperatures.
Thin wall 300 series stainless
steel sheath results in fast
probe response.
TC813
Bolt-on
Surface
Probe
TC801
Immersion
Probe
TC803
Electronics
Surface
Probe
TC805
Air/Gas
Probe
TC869
45° Spring
Articulated
Surface Probe
TC809H
Heavy Duty Surface Probe
System with 45° tip
Replaceable Heavy Duty
Surface Probe Tips only:
TC821R 90° Tip
TC821S Straight Tip
TC821H 45° Tip
TC801 Immersion Probe S.S. sheath with grounded junction and 1/8"
diameter, 10" shank for fluids, corrosive mixtures, solder baths and
viscous materials to 1600˚F. 6 sec. response
(2)
. For 24" shank, order
TC801-24.
TC803 Electronics Tip Probe for electronic and biological
applications. Low mass, 0.032" diameter fine-point sensing tip
measures pc boards and small components with minimal
disturbance. Limit of 900°F., 5 sec response
(1)
.
TC805 Air/Gas Probe with perforated radiation shield over bare head
thermocouple junction for fast response and good accuracy in high
temperature radiation backgrounds. 8" shank, to 1200°F, 45 sec.
response in circulation oven. Available as TC805-24 with 24" shank.
TC809 Heavy-Duty Surface Probe System. Low mass provides
accurate and fast response for surface temperature measurement of
ingots, furnaces, kilns, molds and platens to 1200°F limit with 3
second response
(1)
. Utilizes snap-in, (replaceable and Surface Probe
interchangeable) probe tips with miniature Z-tip, spring-loaded
thermocouples protected by ceramic housing. Braided stainless steel
4' extension cable, extra heavy duty handle with 5" shank (optional 12"
shank). Order with desired tip below.
TC809H Heavy Duty Surface Probe, 45° tip; TC809H-12 for 12" shank.
TC809R Heavy Duty Surface Probe, 90° tip; TC809R-12 for 12" shank.
TC809S Heavy Duty Surface Probe, straight tip; TC809S-1212" shank.
TC809 Tips Only: TC821H 45° tip; TC821R 90° tip; TC821S straight tip.
Response time legend (to 99% of 212˚F):
(
1)
clean hot plate surface,
(
2)
immersion in
boiling water
(3)
immersion in liquid solder bath
Look for the “Wahl Tested
Certified” calibration tag on
every probe.
Probes for High Performance
Probe listing
continued
on page 15
05/08 Revised 6/10.08
Calibration Services Available
170 Years of Continued Innovation
Custom Probes for Your Applications
Contact Wahl for custom-made probes to your specifications,
or let us help you design the right probe for your application.
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