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Product Description
Calibratable HYGRASGARD® KFTF - Modbus - T3 (±2.0%) or KFTF - 20 - Modbus - T3 (±1.8%) duct humidity and temperature transmitters with Modbus connection, in an impact resistant plastic housing with quick-locking screws, optionally with/without display and including a mounting flange. They have a plastic sinter filter (exchangeable) and serve to detect various parametres in humidity measurement. measurands include relative humidity (0...100% r.H.) and ambient air temperature ( 35...+80 °C).These measurands are used for internal calculation of the following parametres, which can be retrieved via Modbus: relative humidity [% r.H.], absolute humidity [g/m³], mixture ratio [g/kg], dew point temperature [°C], enthalpy [kJ/kg] (ignoring atmospheric air pressure), and ambient temperature [°C]. A long-term stable, digital sensor guarantees precise measuring results.
The duct sensor is applied in non-aggressive, dust-free environments and is suitable for installation in ceilings, ducts and devices. It is used in refrigeration, air conditioning and cleanroom engineering, engineering rooms, hotels and conference facilities.
Innovative Modbus sensor with galvanically separated RS485 interface, selectable bus termination resistance, DIP switches for setting the bus parametres and bus address in current-free state, LEDs for telegram status display, two separate push-in terminals and a large back-lit three-line display with customised programming in the 7-segment and dot-matrix ranges. The sensor is factory-calibrated and can be fine-tuned to ambient conditions by an expert.
