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SA Instrumentation & Control Buyers' Guide

Technews Industry Guide - IIoT 2018

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Control in paint shop applications
January 2019, Temperature Measurement


A logical combination of heating method and control is radiant heat with an Exergen IRt/c for control. The combination works well together since both the heating and measuring occur right at the surface where the paint is located. The Exergen IRt/c reading is unaffected by reflections from the heater, since the spectral response of the 6-14 micron IRt/c lens filters out the shorter wavelengths of the radiant heater energy.

The sensor may be mounted in the shroud or reflector of the radiant heater, such that it can see through the elements. Select any of the Exergen IRt/c models, depending on the field-of-view required to see past the elements to the painted surface. Test the location by turning on the heater with no target present. The change in reading should be small. Care should be taken in mounting to keep its temperature below 93°C and to keep the lens clean. The IRt/c.3x, .5, and .10 are the preferred models for this application because of their built-in air purge. They can be used in environments with temperatures up to 121°C or higher when the air purge system is used. The narrow fields-of-view allow more leeway in positioning, and thus more flexibility in installation.


Credit(s)
Supplied By: Temperature Controls
Tel: +27 11 791 6000
Fax: +27 11 792 1140
Email: sales@tempcon.co.za
www: www.tempcon.co.za
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Further reading:

  • Oven temperature profiling in the automotive industry
    January 2019, R&C Instrumentation, Temperature Measurement
    For successful paint cure, irrespective of the paint chemistry being used, it is critical to measure and control the temperature of the car body as it travels through the oven. Today, paint ovens are ...
  • IR thermocouple offers noise immunity
    January 2019, Temperature Controls, Temperature Measurement
    With twisted shielded pair thermocouple extension wire, an Exergen IRt/c can be mounted as far as 300 metres from the readout device, even in harsh electrically noisy environments. The extraordinary noise ...
  • Handheld infrared thermometers
    January 2019, ASSTech Process Electronics + Instrumentation, Temperature Measurement
    Within the Calex range of infrared temperature sensors is the ST680 Series of high-quality handheld thermometers with laser sighting and large backlit LCD display. The instruments measure in a wide temperature ...
  • Panel-mounted thermostat with safety feature
    January 2019, ASSTech Process Electronics + Instrumentation, Temperature Measurement
    Jumo’s new heatTherm P300 3-phase panel mount thermostat is available with a maximum switching capacity of 30 A/480 V. An important new safety feature capability is the trip-free function. The electromechanical ...
  • Temperature measurement within the plastics industry
    December 2018, Instrotech, Temperature Measurement
    Temperature is an important measurement parameter for many process techniques used in the plastics industry. Non-contact temperature measurement using an infrared sensor system is therefore an effective ...
  • Emerson’s compact new hygienic transmitters
    December 2018, Emerson Automation Solutions, Temperature Measurement
    Emerson has unveiled a new line of compact transmitters. Designed specifically for hygienic applications in the food and beverage industry, they will enable manufacturers to minimise downtime and lower ...
  • IRt/c setup with auto-tune ­temperature controllers
    November 2018, Temperature Controls, Temperature Measurement
    In many applications, heating elements are employed to heat a product in an oven, furnace, or with jets of hot air. Conventional control devices using contact thermocouples, measure and control the oven ...
  • SpotScan gives pyrometers ­scanning ability
    November 2018, R&C Instrumentation, Temperature Measurement
    Fluke Process Instruments recently introduced the SpotScan line scanning accessory for the Endurance, Marathon, and Modline ranges of IR non-contact temperature measurement sensors. The accessory features ...
  • Safety temperature measurement device for boilers
    October 2018, GHM Messtechnik SA, Temperature Measurement
    The Safety-TL4896, a SIL2 rated temperature measuring device from Martens, conforms to international boiler regulations and offers a unique front panel installation. Certified to DIN EN14597 and DIN EN61508, ...
  • Raytek pyrometer sensor now in 4-20 mA
    October 2018, R&C Instrumentation, Temperature Measurement
    About a decade ago, Raytek introduced the CM, a compact, integrated IR non-contact thermometer intended for quick and seamless replacement of J and K-type thermocouples. The CM, still an industry favourite, ...
  • Temperature sensor with drift monitoring
    October 2018, ifm Electronic RSA, Temperature Measurement
    The sensors of ifm electronics’ TAD series have two resistance elements with different characteristics (PT and NTC) that monitor each other permanently in the process. Drift is immediately detected and ...
  • Resistance thermometer for harsh conditions
    September 2018, Instrotech, Temperature Measurement
    Due to their extreme insensitivity to vibration, impact and shock load, Kobold’s TNK resistance thermometers are particularly suitable for monitoring the temperature of diesel engines. The extremely robust ...

 
 
         
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