Humidity & Temperature

These probes measure humidity and temperature in rooms, ducts, and chambers and are mainly used by HVAC/R technicians and contractors. Find a wide selection of these probes to fit your application.


Testo 0554 0666 Sintered Filter for Humidity Probes, Teflon,  (21mm) dia.-

Testo 0554 0666 Sintered Filter for Humidity Probes, Teflon, (21mm) dia.
Model: 0554 0666

Sale Price $82.45 USD
Regular Price $97.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $82.45 USD
Regular Price $97.00 USD
Availability 2 to 3 Weeks
Quantity

Testo 6742 Dew Point Transmitter, 1/2" NPT Thread-

Testo 6742 Dew Point Transmitter, 1/2" NPT Thread
Model: 6742 | Order No: 0555 6742

Sale Price $1563.15 USD
Regular Price $1839.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $1563.15 USD
Regular Price $1839.00 USD
Availability 3 to 4 Weeks
Quantity

Testo 0635 9440 Bendable Vane Probe with Telescopic Handle, 2.36" Diameter-

Testo 0635 9440 Bendable Vane Probe with Telescopic Handle, 2.36" Diameter
Model: 0635 9440

Sale Price $650.25 USD
Regular Price $765.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $650.25 USD
Regular Price $765.00 USD
Availability 2 to 3 Weeks
Quantity

Testo 0600 8894 Thermocouple for Exhaust Gas -

Testo 0600 8894 Thermocouple for Exhaust Gas
Model: 0600 8894

Sale Price $733.55 USD
Regular Price $863.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $733.55 USD
Regular Price $863.00 USD
Availability 2 to 3 Weeks
Quantity

Testo 400600 7810 Industrial Probe Kit-

Testo 400600 7810 Industrial Probe Kit
Model: 400600 7810

Sale Price $3460.35 USD
Regular Price $4071.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $3460.35 USD
Regular Price $4071.00 USD
Availability 2 to 3 Weeks
Quantity

Testo 0636 2135 Humidity Probe, Ø4mm x 60mm-

Testo 0636 2135 Humidity Probe, Ø4mm x 60mm
Model: 0636 2135

Sale Price $657.05 USD
Regular Price $773.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $657.05 USD
Regular Price $773.00 USD
Availability 2 to 3 Weeks
Quantity

Testo 0636 6160 Scatter Field Probe for the Testo 635-1 and 635-2-

Testo 0636 6160 Scatter Field Probe for the Testo 635-1 and 635-2
Model: 0636 6160

Sale Price $512.55 USD
Regular Price $603.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $512.55 USD
Regular Price $603.00 USD
Availability 3 to 4 Weeks
Quantity

Testo 0636 9736 Humidity Plug-in Probe Head for Wireless Handle-

Testo 0636 9736 Humidity Plug-in Probe Head for Wireless Handle
Model: 0636 9736

Sale Price $294.10 USD
Regular Price $346.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $294.10 USD
Regular Price $346.00 USD
Availability 2 to 3 Weeks
Quantity

Testo 0636 9835 Pressure Dewpoint Probe with Fixed Cable, 300mm-

Testo 0636 9835 Pressure Dewpoint Probe with Fixed Cable, 300mm
Model: 0636 9835

Sale Price $1278.40 USD
Regular Price $1504.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $1278.40 USD
Regular Price $1504.00 USD
Availability 2 to 3 Weeks
Quantity

Testo 0613 5605 Pipe Clamp Probe, Ø5 to Ø65mm diameter-

Testo 0613 5605 Pipe Clamp Probe, Ø5 to Ø65mm diameter
Model: 0613 5605

Sale Price $262.65 USD
Regular Price $309.00 USD
Availability 1 Week

Qty:

Sale Price $262.65 USD
Regular Price $309.00 USD
Availability 1 Week
Quantity

Testo 0363 1712 Smelting Probe Thermocouple with Tube and Plug NiCr-Ni-

Testo 0363 1712 Smelting Probe Thermocouple with Tube and Plug NiCr-Ni
Model: 0363 1712

Sale Price $311.95 USD
Regular Price $367.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $311.95 USD
Regular Price $367.00 USD
Availability 2 to 3 Weeks
Quantity

Testo 0554 8765 Replacement Probe Shaft-

Testo 0554 8765 Replacement Probe Shaft
Model: 0554 8765

Sale Price $929.90 USD
Regular Price $1094.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $929.90 USD
Regular Price $1094.00 USD
Availability 2 to 3 Weeks
Quantity

Testo 0554 8766 13in Probe Shaft, 5/16in Dia-

Testo 0554 8766 13in Probe Shaft, 5/16in Dia
Model: 0554 8766

Sale Price $745.45 USD
Regular Price $877.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $745.45 USD
Regular Price $877.00 USD
Availability 2 to 3 Weeks
Quantity

Testo 0554 9761 Probe Shaft, 300mm-

Testo 0554 9761 Probe Shaft, 300mm
Model: 0554 9761

Sale Price $192.95 USD
Regular Price $227.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $192.95 USD
Regular Price $227.00 USD
Availability 2 to 3 Weeks
Quantity

Testo 0555 6602 Duct Probe-

Testo 0555 6602 Duct Probe
Model: 0555 6602

Sale Price $296.65 USD
Regular Price $349.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $296.65 USD
Regular Price $349.00 USD
Availability 2 to 3 Weeks
Quantity

Testo 0555 6603 Duct Probe for Higher Process Temperatures-

Testo 0555 6603 Duct Probe for Higher Process Temperatures
Model: 0555 6603

Sale Price $328.10 USD
Regular Price $386.00 USD
Availability 6 to 7 Weeks

Qty:

Sale Price $328.10 USD
Regular Price $386.00 USD
Availability 6 to 7 Weeks
Quantity

Testo 0555 6604 Standard Cable Probe, -20 to 70 degree C-

Testo 0555 6604 Standard Cable Probe, -20 to 70 degree C
Model: 0555 6604

Sale Price $348.50 USD
Regular Price $410.00 USD
Availability 2 to 3 Weeks

Qty:

Sale Price $348.50 USD
Regular Price $410.00 USD
Availability 2 to 3 Weeks
Quantity

Testo 0572 6172 Humidity / Temperature Probe, 12mm-

Testo 0572 6172 Humidity / Temperature Probe, 12mm
Model: 0572 6172

Sale Price $349.35 USD
Regular Price $411.00 USD
Availability 4 to 5 Weeks

Qty:

Sale Price $349.35 USD
Regular Price $411.00 USD
Availability 4 to 5 Weeks
Quantity

Testo 0572 6174 Humidity / Temperature Probe 4 mm-

Testo 0572 6174 Humidity / Temperature Probe 4 mm
Model: 0572 6174

Sale Price $407.15 USD
Regular Price $479.00 USD
Availability 1 to 2 Weeks

Qty:

Sale Price $407.15 USD
Regular Price $479.00 USD
Availability 1 to 2 Weeks
Quantity

Testo 0600 8764 Modular Flue Gas Probe, 335 mm, ø 8 mm, Tmax 1000 °C-

Testo 0600 8764 Modular Flue Gas Probe, 335 mm, ø 8 mm, Tmax 1000 °C
Model: 0600 8764

Sale Price $1141.55 USD
Regular Price $1343.00 USD
Availability 3 to 4 Weeks

Qty:

Sale Price $1141.55 USD
Regular Price $1343.00 USD
Availability 3 to 4 Weeks
Quantity

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