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Temperature

TT-1015 Black Bulb Sensor

Comfort temperature measurement can be best achieved by taking into account the radiant effect of surfaces within the controlled space. The comfort temperature is specified as the average of the conductive temperature and the radiant temperature. The TT-1015 is a low cost Black Bulb Temperature Sensor used to measure radiant heat in indoor spaces. Units contain either a high quality thermistor or Platinum element.

From $37.86
TT-1015-SP Black Bulb Sensor with Set Point Adjust

Comfort temperature measurement can be best achieved by taking into account the radiant effect of surfaces within the controlled space. The comfort temperature is specified as the average of the conductive temperature and the radiant temperature. The TT-1015 is a low cost Black Bulb Temperature Sensor used to measure radiant heat in indoor spaces. Units contain either a high quality thermistor or Platinum element.

From $63.52
TT-322 Duct Sensors

The TT-322 direct output, temperature sensor used to measure air temperature in ducts. Units contain either a high quality thermistor, nickel or platinum sensing element. The sensing element is fitted into a stainless steel probe. A flange plate is available for adjustment of penetration depth (order as TT-DFP).

From $24.90
TT-322 Duct Sensors 250mm

The TT-322 direct output, temperature sensor used to measure air temperature in ducts. Units contain either a high quality thermistor, nickel or platinum sensing element. The sensing element is fitted into a stainless steel probe. A fl ange plate is available for adjustment of penetration depth (order as TT-DFP).

From $42.60
TT-322 Duct Sensors 65mm

The TT-322 direct output, temperature sensor used to measure air temperature in ducts. Units contain either a high quality thermistor, nickel or platinum sensing element. The sensing element is fi tted into a stainless steel probe. A fl ange plate is available for adjustment of penetration depth (order as TT-DFP).

From $24.89
TT-325 Duct Averaging Sensors

The TT-325 temperature sensors are used for measuring temperature in ducts where an average reading across the air flow is required. Units contain either high quality thermistor, nickel or platinum sensing elements which are housed in a ‘Nylon 12’ tube, spaced at 0.5m intervals along the standard 2.2m length.

From $120.58
TT-331 Outside Air Sensor

The TT-331 range are direct output, temperature sensors for measuring outside air temperature. Units contain either a high quality thermistor, Nickel or Platinum sensing element. The sensors are housed in IP65 rated enclosures. The TT-331 has a cap containing the sensing element located externally in the shadow of the lid to curb the effects of solar gain, but should always be situated in a sheltered position on a north facing wall.

From $19.66
TT-332 Outside Air Sensors with Radiation Shield

For measuring outside air temperature the TT-332 contains either a high quality thermistor, nickel or platinum sensing element. The sensors are housed in IP65 rated enclosures. The TT-332 has the element fitted into a PTFE radiation shield, designed to provide fast response times to changes in outside air temperature and to protect the element from the effects of direct sunlight.

From $48.50
TT-341 Immersion Sensors 150mm

These immersion sensors are used for measuring the temperature of liquids in pipework. Units contain either a high quality thermistor, nickel or platinum element. The TT-341 sensing element is housed in a stainless steel probe fitted to an IP65 rated enclosure, for direct mounting into TT-PO-521 or TT-PO-HP range of stainless steel pockets.

From $27.52
TT-341 Immersion Sensors 250mm

These immersion sensors are used for measuring the temperature of liquids in pipework. Units contain either a high quality thermistor, nickel or platinum element. The TT-341 sensing element is housed in a stainless steel probe fitted to an IP65 rated enclosure, for direct mounting into TT-PO-521-250 or TT-PO-HP-250 range of stainless steel pockets.

From $45.22
TT-341 Immersion Sensors 65mm

These immersion sensors are used for measuring the temperature of liquids in pipework. Units contain either a high quality thermistor, nickel or platinum element. The TT-341 sensing element is housed in a stainless steel probe fitted to an IP65 rated enclosure, for direct mounting into TT-PO-521-65 or TT-PO-HP-65 range of stainless steel pockets.

From $27.54
TT-342 High Temperature Immersion Sensors

The TT-342 is for use in high temperature applications up to 400°C. The sensor consists of a stainless steel probe fitted to an aluminium head, and connected by a 1m cable to a plant housing where terminations and transmitters are located. The TT-342 is available in two standard probe lengths of 150mm or 250mm, for direct mounting into the TT-PO-521 or TT-PO-HP range of stainless steel pockets.

From $171.34
TT-351 Clamp On Sensors

The TT-351 is used to measure pipe temperature, and contain either a high quality thermistor, nickel or platinum element, which is housed in a 50mm long probe with two metres of PTFE 2-core cable as standard connecting the probe to an IP65 housing for termination.

From $28.84
TT-359 Direct Clamp-on Sensors

The TT-359 clamp-on sensor is used for direct connection to measure pipe temperature. The sensing element is enclosed in a moulded nickel contact bar on the underside of the main housing. Units are available with a large range of sensing elements, using high quality thermistor, nickel or platinum elements.

From $22.41
TT-512-SS Low Profile Temperature Sensors (Stainless Steel)

The TT-512 range of low profi le button temperature sensors are used for measuring air temperature in indoor space where style or a robust solution is required. Their discreet appearance offers reliable temperature monitoring without being obtrusive. These sensors are particularly effective in applications where anti-ligature sensors are required for the safety of the building occupants. Due to the robust design and materials, the sensors are also tamperproof. They are available in either white plastic or stainless steel fi nishes and contain either a high quality Thermistor, Platinum or Nickel sensing element. Sensor types compatible with most controls manufacturers' equipment are available.

From $24.90
TT-512-WP Low Profile Temperature Sensors (White Plastic)

The TT-512 range of low profi le button temperature sensors are used for measuring air temperature in indoor space where style or a robust solution is required. Their discreet appearance offers reliable temperature monitoring without being obtrusive. These sensors are particularly effective in applications where anti-ligature sensors are required for the safety of the building occupants. Due to the robust design and materials, the sensors are also tamperproof. They are available in either white plastic or stainless steel fi nishes and contain either a high quality Thermistor, Platinum or Nickel sensing element. Sensor types compatible with most controls manufacturers' equipment are available.

From $22.28
TT-515 Low Profile Plate Sensors

The TT-515 range of low profile button temperature sensors are for direct mounting onto a standard UK back box and used for measuring air temperature in indoor spaces. These sensors are particularly effective in applications where anti-ligature sensors are required for the safety of the building occupants. Due to the robust design and materials, the sensors are also tamperproof. They are available in either white plastic or stainless steel finishes and contain either a high quality Thermistor, Platinum or Nickel sensing element. Sensor types compatible with most controls manufacturers' equipment are available.

From $32.64
TT-518 Thimble Sensors

Thimble temperature sensors are used for measuring air temperature in indoor spaces. Units contain either a high quality thermistor, Nickel or Platinum sensing element. The sensing element is mounted in an attractive ‘thimble’ enclosure for surface mounting, typically on a backplate or a ceiling tile.

From $24.26
TT-518-ALU Thimble Sensors Aluminum

Thimble temperature sensors are used for measuring air temperature in indoor spaces. Units contain either a high quality thermistor, Nickel or Platinum sensing element. The sensing element is mounted in an attractive ‘thimble’ enclosure for surface mounting, typically on a backplate or a ceiling tile.

From $48.53
TT-518-BR Thimble Sensors Brass

Thimble temperature sensors are used for measuring air temperature in indoor spaces. Units contain either a high quality thermistor, Nickel or Platinum sensing element. The sensing element is mounted in an attractive ‘thimble’ enclosure for surface mounting, typically on a backplate or a ceiling tile.

From $55.73
TT-518-SS Thimble Sensors Stainless Steel

Thimble temperature sensors are used for measuring air temperature in indoor spaces. Units contain either a high quality thermistor, Nickel or Platinum sensing element. The sensing element is mounted in an attractive ‘thimble’ enclosure for surface mounting, typically on a backplate or a ceiling tile.

From $77.37
TT-554 Remote Probe Sensors

This range of remote probe sensors is perfect for tight locations, hard to access areas or for applications where the usual duct (TT-322) or immersion (TT-341) sensor does not fit. These are used with either the TT-PO range of immersion sensor pockets or the TT-DFP duct flange plate.

From $20.97
TT-555 Flying Lead Sensors

The TT-555 is a direct output temperature Sensor used to measure air temperature, especially in fan-coil units etc, and contain either a high quality thermistor, nickel or platinum sensing element. The standard cable length is two metres of 2-core screened cable. Longer lengths can be made to order.

From $10.49
TT-555-5M Flying Lead Sensors 5m cable length

The TT-555 is a direct output temperature Sensor used to measure air temperature, especially in fan-coil units etc, and contain either a high quality thermistor, nickel or platinum sensing element. The standard cable length is two metres of 2-core screened cable. Longer lengths can be made to order.

From $16.42
TT-555-R Flying Lead Sensors Cap Potted (waterproof)

The TT-555 is a direct output temperature Sensor used to measure air temperature, especially in fan-coil units etc, and contain either a high quality thermistor, nickel or platinum sensing element. The standard cable length is two metres of 2-core screened cable. Longer lengths can be made to order.

From $26.24
TT-626 True Duct Averaging Sensors

Sontay’s true duct averaging sensor contains a PT100B element, which measures at point along the full length of the copper tube.

From $615.47
TT-635 External Black Bulb Sensors

The TT-635 sensor is used for radiant heat in outdoor spaces. Black bulb temperature sensors are used to calculate comfort temperature which is specified as the average of the conductive temperature and the radiant temperature. Units contain either a high quality thermistor, platinum or nickel sensing element.

From $65.53
TT-CAL

We can now offer in-house calibration of our temperature and relative humidity sensors. Our state of the art calibration chamber is tested to UKAS standards and we can provide test certificates for 3-point calibration with additional points if required.

From $65.53
TT-GD Space Sensor Guard

The TT-GD is designed to protect TT-1000 and TT-1015 temperature sensors from accidental damage.

From $77.33
TT-PO Immersion Sensor Pockets

TT-PO-521 and TT-PO-HP range of stainless steel pockets are for use with immersion sensors TT-341 and TT-342. The two part welded TT-PO-521 pockets are intended for low flow applications. They may be used in applications such as sumps or storage tanks or low flowing water in pipes. For applications requiring installation in high flowing water, the TT-PO-HP should be used. Pockets are designed to accept either a 65mm, 150mm or 250mm x 6mm dia. probes, which are locked in position by a grub screw. These pockets can be installed in any system that is constructed from compatible materials whose operating pressures and flow rates are within the specified ranges.

From $20.33