Surface temperature measurement in hazardous areas without contact is made possible, even where the ambient temperature is as high as 180°C, with the new ExTempMini pyrometer from Calex Electronics.
With no need to provide cooling, the cost of installation is much lower and the risk of coolant leaks completely eliminated.
Compact, the ExTempMini uses Intrinsic Safety as the method of protection
The ExTempMini is an intrinsically safe two-piece pyrometer with a miniature sensing head that can be used in high ambient temperatures, and a separate electronics module. The sensor is ATEX, IECEx and UKCA certified for all surface Gas Zones up to Zone 0 (sensing head) and Zone 1 (electronics module), and Gas Group IIC. It is also certified for use in Japan (JapanEx).
Applications include conveyor ovens, dryers, curing, and high-temperature material processing. The sensor is suitable for non-reflective, non-metal materials and painted surfaces. Target temperatures from -20°C to 1,000°C can be measured accurately, with a response time of just 240 ms.
The sensor has a two-wire 4-20 mA output and is fully configurable via optional USB and RS-485 interfaces. A suitable Intrinsically Safe isolator is required on the 4-20 mA/power loop.