TFG120
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Galltec Mess- und Regeltechnik GmbH MELA Sensortechnik GmbH D-71145 Bondorf . Germany Tel. +49 (0)7457-9453-0 . Fax +49 (0)7457-3758 E-Mail: sensoren@galltec.de . Internet:www.galltec-mela.de D-07987 Mohlsdorf-Teichwolframsdorf . Germany Tel. +49(0)3661-62704-0 . Fax +49(0)3661-62704-20 E-mail:mela@melasensor.de . Internet: www.galltec-mela.de Humidity Temperature Sensor TFG120 Indoor version with Polyga® measuring element • For semi-industrial and industrial use up to 100 % rh. • High accuracy in the high humidity range • Long term stability • Robust, resistant to high humidity • Energy saving: the TFG120 with resistance output does not require its own power supply POLYGA® transmitters demonstrate excellent measuring properties and accuracy in high humidity. They can be adjusted and cleaned in water. Their outstanding durability, reliability and robustness make them the classic choice for applications with extended high humidity. Technical Data Humidity General data Measuring range Measuring accuracy Working range Medium temp. coefficient Measuring medium Permissible ambient temperature slots in housing base Temperature Measuring element Protective system Working range Measuring accuracy impact resistant plastic, light grey approx. 0.2 kg ±0.5°C Electrical data for passive sensors Electrical data Connecting terminals Permissible load of signal outputs for conductor cross sections 0.5mm² Cable connection Humidity output 250 mW Temperature output (Pt100) 1 mA at air speeds of 1 m/s Electromagnetic compatibility According to EN 61326-1 and EN 61326-2-3 Type survey passive sensors Type Measuring range Humidity Outputs Temperature 0 … 1000 Ω linear 100 … 138,5 Ω linear 0 … 100 Ω linear 0 … 200 Ω linear Further resistance ranges on request.

Dimensions diagram Half-life period Thermal behaviour Sprungantwort Polyga If the measuring element is suddenly exposed to a different humidity value, a step response occurs which always has the same curve progression. Humidity and tolerance diagram Tolerance characteristic line in %rh. Working range linear linear characteristic characteristic Factor resistance output Connection diagram for passive sensors with resistance output 2-pin output linear Potentiometer output non-linear 0...100%rh Galltec+Mela Humidity temperature sensor TFG120 Page 2 of 3

Mounting instructions Position Mount the room sensor on a vertical wall at a height of approx. 1.5 m. Ensure that the housing is not subject to tension even if the wall is uneven. Any mounting position can be chosen. The ventilation slots should preferably be at right angles to the wind direction. Do not install the sensors in a wall or recess. Protect the sensors against dripping and splashing water. Ensure that no air flow can enter the inside of the housing via the flush mounted cable entry. Do not use silicone sealant to seal the cable entry. User instructions Maintenance The measuring...