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Thermocouple Surface Probes

Thermocouples make the best surface contact sensors. We offer a large variety of designs each with their own advantages.

The maximum temperature listed for the probes applies to the sensor itself. Plastic handles and thermocouple plugs are rated for short term exposure of 482°F (250°C) and extended exposure of 428°F (220°C).



Precision Surface Probe
This is the fastest and most accurate handheld surface probe we’ve seen. Readings generally take less than 5 seconds! The sensor is made from flat-spring ribbons of thermocouple material. Very popular in equipment servicing applications and in the plastics and packaging industries. Max. temp. 932°F
103-030 Precision Surface Probe, flat cable
303-030 Precision Surface Probe, coiled cable


Right Angled Precision Surface Probe
Same sensor design as above but with a right angle bend in the shaft to improve access where the surface is hard to reach. Max. temp. 932°F
103-032 Right Angled Precision Surface Probe, flat cable
303-032 Right Angled Precision Surface Probe, coiled cable


Roller Surface Probe
Uses the flat spring thermocouple design with roller wheels to allow use on moving surfaces and rotating rollers. Choose from stainless steel or PTFE rollers. Surface speeds should not exceed 100 meters per minute. Max. temp. 482°F
303-036 Roller Surface Probe, PTFE, coiled cable
303-038 Roller Surface Probe, SS, coiled cable


Griddle Probe
Heavy duty weighted surface probe for measuring temperatures of hot plates and grills. Stainless steel armor protects the cable from hot surfaces. Uses the flat ribbon spring sensor design for speed and accuracy. Though designed for the fast food business, this probe is used by many other industries where it would be convenient to set the probe on a surface and leave it for extended measurements. Max. temp. 482°F
113-018 Griddle Probe


Heavy Duty Surface Probe
Rugged and durable design covers a very wide range. Used in many industries for high temperature metal surfaces. Max. temp. 1832°F
103-020 Heavy Duty Surface Probe, flat cable
303-020 Heavy Duty Surface Probe, coiled cable


Right Angled Heavy Duty Surface Probe
Same as above but with a bend in the shaft for hard to reach surfaces. Max. temp. 1832°F
103-028 Right Angled Heavy Duty Surface Probe, flat cable
303-028 Right Angled Heavy Duty Surface Probe, coiled cable


Surface Probe
This easy to use surface probe features a 1/4" copper disc that is spring loaded and fit inside a stainless steel shaft. The shaft end is cut and bent into a tripod to aid in positioning the sensor flat against a surface. The wide range makes this probe useful in a wide variety of industrial uses. Max. temp. 1112°F
103-000 Surface Probe, flat cable
303-000 Surface Probe, coiled cable


Ribbon Surface Probe
Features a 0.32" diameter cylindrical head with a stainless steel ribbon. The thermocouple sensor is welded to the back of the ribbon. Max. temp. 482°F
103-044 Ribbon Surface Probe, flat cable
303-044 Ribbon Surface Probe, coiled cable


Bell Surface Probe
These fast response surface probes have a bell-shaped housing with a thin, flat, stainless steel measuring disc, ideal for measuring surface temperatures. Max temp 500°F.
113-084 Bell Surface Probe, flat cable
313-084 Bell Surface Probe, Coiled cable


Plug-Mounted Surface Probe
Same as the Ribbon Surface Probe above but with no handle or cable. The shaft is mounted on a miniature thermocouple connector for plugging directly into type K meters. Available with straight or right angle tips. An optional detachable coiled or straight extension lead is also available. Max. temp. 482°F
113-045 Plug-Mounted Surface Probe - Straight
113-046 Plug-Mounted Surface Probe - Right Angle
XCK-2M-MF Coiled Type K Extension lead, 79" (2 meters)
XSK-3M-MF Straight Type K Extension lead, 118" (3 meters)


Between Pack Probe
Rigid stainless steel sheath is flattened for insertion between packages of produce, frozen foods or other products. Slips easily between cartons or plastic bagged products. The tip is rounded to minimize accidental penetration of packaging materials. Max. temp. 482°F.
103-060 Between Pack Probe, flat cable


Magnet Surface Probe
Easy to use magnet probe is supplied with a 39" PTFE cable. The probe is ideal for measuring the surface temperature of ferrous metals. Many applications in the HVAC, appliance service, plant engineering and equipment research or manufacturing. Max. temp. 302°F
113-016 Magnet Surface Probe


Velcro Pipe Probe
Used to wrap around medium and large diameter pipes. Popular in plant engineering and HVAC. Max. temp. 212°F
113-080 Velcro Pipe Probe


Pipe Clamp Probe
Ideal for measuring the surface temperature of pipes or tubing in refrigeration and HVAC systems. Can be used on pipes from 0.24" diameter up to 1.2" diameter. Max. temp. 212°F
113-040 Pipe Clamp Probe, flat cable
313-040 Pipe Clamp Probe, coiled cable


Washer Thermocouple
Easy method to measure surface temperature permanently. The thermocouple sensing junction is located on a washer with a 1/4" diameter hole for bolting to the surface to be measured. Each probe is supplied with a 78" braided stainless steel cable for durability. Order with bare lead termination for panel meters or controllers or a mini-connector for plugging in to a handheld meter. Max. temp. 662°F
113-440 Washer Thermocouple, bare lead term.
113-440-MC Washer Thermocouple, mini-connector


Coiled Type K Extension Lead
Extend the reach of your probe with this probe extension lead. Cable is coiled and works with type K probes and meters. Features a plug on one end and socket on the other. Length is 79" (2 meters) from plug to socket.
XCK-2M-MF Coiled Type K Extension lead, 79" (2 meters)


Straight Type K Extension Lead
Extend the reach of your probe with this probe extension lead. Cable is straight and works with type K probes and meters. Features a plug on one end and socket on the other. Length is 118" (3 meters) from plug to socket.
XSK-3M-MF Straight Type K Extension lead, 118" (3 meters)