ENVIROsense, a new environmental temperature, relative humidity and, optionally, barometric pressure transmitter has been launched by Senseca, a leader in the design and manufacture of monitoring and measurement instrumentation. “With all three measurement criteria available in one device, ENVIROsense has been specifically designed for use in meteorological and renewable energies, HVAC and indoor, clean rooms, OEMs and plant environments,” said Jan Grobler, managing director of Senseca South Africa.
ENVIROsense offers multiple applications, long life, advanced measurement technology, and compatibility with any Modbus-RTU master device. It is already a market leader in the field of environmental monitoring instrumentation, and is by far the most competitively priced device.
The device offers a resolution of RH 0,01%, a temperature of ±0,1°C with ±0,1% of the measure value, and a pressure of ±0,5 hPa typical at T = 25°C and 0,1 hPa (500-1100 hPa) at T = full range. Two optional additional 0…1 V, 0…5 V or 0…10 V analogue outputs for temperature and relative humidity or dew point, with configurable temperature and humidity ranges are also available.
ENVIROsense provides calculated humidity quantities such as:
• Dew point.
• Wet bulb temperature.
• Absolute humidity.
• Mixing ratio.
• Specific enthalpy.
• Water vapour partial pressure.
• Specific humidity.
• Frost point temperature.
• Saturation vapour pressure above water.
• Saturation vapour pressure above ice.
With a rugged ø14 mm compact housing in PBT, it also serves as a protection shield from solar radiation in outdoor applications. The transmitter is supplied factory calibrated in multiple points for relative humidity and is ready for use. It can be supplied with an ISO/IEC 17025 calibration certificate if required.
Alternative models differ, depending on the presence or absence of the optional barometric sensor and analogue outputs, the different power supply voltage range, and in the different application field.
In order to maintain high accuracy measurements, it is necessary to clean the filter periodically. This simple process merely requires the filter to be unscrewed from the body of the transmitter and brush washed under running water. It is then dried and screwed back onto the transmitter body.
“Due to its multiple all-in-one application offering, we believe that the ENVIROsense transmitter will be positively received in those specialised industries where high accuracy standards are required. Its advanced technology makes it a leader in environmental measurement and monitoring instrumentation,” concluded Grobler.
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