
Heat Prober
®
Table of Contents
Table of Contents
2
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05/08 Rev C
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Meters are the basic component of a Heat-Prober System. Probes, no matter how well designed and
constructed, will not compensate if the wrong meter is chosen for the job. Wahl Heat-Probers are
offered in three basic measurement types:
Platinum RTD
Platinum Resistance Temperature Detectors (RTD’s) are recognized as the most reliable standard for
measuring temperature information. Platinum provides long-term stability, response and repeatability
for use as a primary standard. It has a wide useful temperature range and can be used in varying
conditions, making it ideal for many applications.
Thermocouple
Thermocouple portable temperature sensors have the advantage over other types due to their fast
response, wide temperature range, and ruggedness. The sensors are small in size, versatile and
convenient to use. An added advantage of thermocouple use is derived from their wide-spread
availability and meter/probe compatibility.
Thermistor
Thermistor sensors offer excellent accuracy and long-term stability, but over a relatively narrow
temperature range. Thermistors are generally used to measure moderate temperatures in applications
demanding greater accuracy than thermocouples, but less demanding than Platinum RTD Thermometer
Systems.
Each type has advantages and characteristics described in the catalog sections to follow. Basically the
differences center on accuracy, temperature range, type of display and price.
TM410 Type K Meter
with TP-100 Penetration Probe
Introduction to Heat Probers
®
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2, 3
NEW! TM602, TM612, TM630 Pocket Thermometers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
392AHP High-Performance Platinum RTD Meter, CAL392HP-HT & -LT Calibrators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
392A Series Platinum RTD Hand-Held Meters, CAL392-HT & -LT Calibrators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Specifications For All Platinum RTD Meters, Options, and Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
RTD Meter Kits Discontinued . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Platinum RTD Probes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-9
2500/1370 Series Type K Thermocouple Meters, Thermocouple Calibrators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
TM410 Food Service Meters, TM500 Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Specifications For All Thermocouple Meters, Options, and Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Thermocouple Meter Kits Discontinued . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Type K Thermocouple Probes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14-15
Type K Thermocouple Probe Systems and Extension Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
New Sanitary Probe, Heavy Duty Piercing Probe, Custom Probes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
TC840 Type S and TC850 Type K Series Molten Metal “Dipstick” Thermometers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
700M Series Thermistor Meters with Interchangeable Probes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
RTD METERS
THERMOCOUPLE METERS
DIPSTICK THERMOMETERS AND THERMISTORS
Why so many Heat-Prober
®
Meters?
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