Analytical Instrumentation & Environmental Monitoring


Simple to use HVAC transmitters and hygrostats

October 2020 Analytical Instrumentation & Environmental Monitoring

Ensuring an environmentally friendly workplace, cleanroom operation or storage space for specialised products, which meet the most stringent parameters of humidity and temperature measurement, can be achieved with the newly launched HVAC40 Thermo-Hygro transmitter from Delta OHM.

The transmitter has a unique design which gives high accuracy, greater connectivity, stability and operational simplicity. Managing director of GHM Messtechnik South Africa, Jan Grobler, explains: “The compact design makes the HVAC40 a low maintenance device while giving enhanced stability, factors that are critical to the optimal performance of HVAC and building automation systems.

“The well-designed LED display makes it easy for technicians to note the state of the HVAC system and immediately address any alarm conditions. Versions with 4-digit LCD display are also available, which allow parameters to be numerically displayed. In the versions with the LCD, two LED indicators indicate the presence of the power supply and of an alarm condition in the event set measurement thresholds are exceeded.”

Three models of the Delta OHM HVAC40 can be supplied as a temperature version only, or as temperature/humidity/dewpoint versions. All are available with or without display functions. Models include a wall mounted option with integral sensors for room or cabinet measurements, a monoblock design option for electronics and probe combination for duct measurement, or an electronic probe connected by a two-metre cable for remote measurements.

The HVCAC40 series can perform in any environment due to its stainless steel filter that protects the sensor against dust and particles. The main areas of application include HVAC, building automation, cleanrooms, agriculture and humidifiers. “These transmitters are versatile instruments that activate alarms for temperature spikes, and other operational malfunctions, cleanroom environmental measurement, as well as building automation HVAC stability,” concluded Grobler. “It is an excellent choice for the job, giving customers a long-term reliability with minimal maintenance at a cost-effective price.”


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