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HYGRASGARD® AFTF - Modbus - T3(LCD)Calibratable outside humidity and temperature sensor HYGRASGARD® AFTF - Modbus - T3, with Modbus connection, in an impact-resistant plastic housing with quick-locking screws, optionally with/ without display, with a plastic sinter filter (exchangeable),
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Voltage supply 24 V AC (± 20 %) and 15…36 V DC Power consumption < 1.2 W/ 24 V DC; < 1.8 VA/ 24 V AC Data points Temperature [°C], relative humidity [% r. h.], dew point [°C], absolute humidity [g/ m3], mixture ratio [g/ kg], enthalpy [kJ/ kg] Deviation of humidity typical ± 2.0 % (20…80 % RH); at + 25 °C, otherwise ± 3.0 % Temperature deviation typically ± 0.4 K at +25 °C Sensor digital humidity sensor with integrated temperature sensor, low hysteresis, high long-term stability Sensor protection plastic sinter filter, Ø 14 mm, L = 25 mm, exchangeable Measuring range 0...100 % RH (humidity) – 35...+80 °C (temperature) Zero point offset ± 10 % r.H. (humidity) ± 5 °C (temperature) Ambient temperature –30...+70 °C Medium clean air and non-aggressive, non-combustible gases Bus protocol Modbus (RTU mode), address range 0...247 selectable Process connection by screws Electrical connection 0.2 - 1.5 mm², via push-in terminal Cable connection cable gland, plastic (2x M 20 x 1.5; with strain relief, exchangeable, inner diameter 8 - 13 mm) or M12 connector according to DIN EN 61076-2-101 (optional on request) Cable gland 2x M 20 x 1.5; with strain relief, exchangeable, inner diameter 8 - 13 mm Long-term stability ± 1 % per year Permissible air humidity < 95 % RH, non-precipitating air Protection class III (according to EN 60 730) Protection type IP 65 (according to EN 60 529)* Standards CE conformity, electromagnetic compatibility according to EN 61326, according to EMC Directive 2014/ 30/ EU |