S+S REGELTECHNIK AFTF-T3-MB Bedienungs- Und Montageanleitung Seite 12

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Type AFTF-T3-MB
Calibratable outside humidity and temperature sensor Type AFTF - T3 - MB, with Modbus connection, in an impact-resistant plastic housing with
quick-locking screws, with a plastic sinter filter (exchangeable), to exactly detect the relative humidity (0...100% RH) and the temperature
(–35...+80 °C) and to detect various parameters in humidity measurement. International system of units SI (default) can be switched to Imperial (via
Modbus). The on-wall sensor is applied in a non-aggressive, dust-free environment. It is used in the refrigeration, air conditioning and clean room
technology, engineering rooms, hotels and conference facilities.
A long-term stable, digital humidity and temperature sensor guarantee exact measurement results. These measurands are used to internally calculate
the following parameters that can be retrieved via Modbus: relative humidity, absolute humidity, mixture ratio, dew point, enthalpy (ignoring atmos-
pheric air pressure) and ambient temperature.
Innovative Modbus sensor with galvanically separated RS485-Modbus-interface, selectable bus termination resistance, DIP switch for setting the
bus parameters and bus address in curent-free state, internal LEDs for telegram status display, two separate push-in terminals. The sensor is
factory-calibrated; an environmental precision adjustment by an expert is possible.
TECHNICAL DATA
Voltage supply:
Power consumption:
System of units:
Data points:
Sensor:
Protective tube:
Sensor protection:
Measuring range:
Deviation, humidity:
Temperature deviation:
Zero point offset:
Ambient temperature:
Medium:
Bus protocol:
Baud rate:
Signal filtering:
Housing:
Housing dimensions:
Cable connection:
Electrical connection:
Process connection:
Permissible air humidity:
Protection class:
Protection type:
Standards:
AFTF-T3-MB
Type
Type AFTF - T3 - MB
ACCESSORIES
WS-03
134r0068/002;1: Frozen :29-Jan-2024
24 V AC (± 20 %); 15...36 V DC
< 1.2 W ⁄ 24 V DC
SI (default) or Imperial (switchable via Modbus)
temperature [°C] [°F], relative humidity [% RH],
dew point [°C] [°F], absolute humidity [g/m
digital humidity sensor with integrated temperature sensor,
low hysteresis, high long-term stability
stainless steel V2A (1.4301), Ø 13 mm, NL = 46 mm
plastic sinter filter, Ø 13 mm, L = 28 mm
0...100 % RH (humidity)
– 35...+80 °C (temperature)
typically ± 2.0 % (20...80 % RH) at +25 °C, otherwise ± 3.0 %
typically ± 0.4 K at +25 °C
± 10 % RH (humidity)
± 5 °C (temperature)
– 30...+70 °C
clean air and non-aggressive, non-combustible gases
Modbus (RTU mode), address range 0...247 selectable
9600, 19200, 38400 Baud
4 s / 32 s
plastic, UV-resistant, material polyamide, 30 % glass-globe reinforced,
with quick-locking screws (slotted ⁄ Phillips head combination),
colour traffic white (similar to RAL 9016)
108 x 78.5 x 43.3 mm (Tyr 3)
cable gland, plastic (2x M 20 x 1.5; with strain relief, exchangeable, inner diameter 8 - 13 mm)
0.2 - 1.5 mm², using push-in terminals
by screws
< 95 % RH, non-precipitating air
III (according to EN 60 730)
IP 65 (according to EN 60 529)
CE conformity, electromagnetic compatibility according to EN 61326, according to EMC Directive 2014 ⁄ 30 ⁄ EU
On-wall humidity- and temperature sensors
Measuring Range
Humidity (switchable)
0 ...100 % RH (default)
0 ... 80 g ⁄ kg (MV)
3
0 ... 80 g ⁄ m (AH)
0 ... 85 kJ ⁄ kg (ENT.)
–20...+80 °C (TP)
Weather and sun protection hood,
200 x 180 x 150 mm, stainless steel V2A (1.4301)
3 ] [gr/ft 3 ], mixing ratio [g/kg] [gr/lb], enthalpy [kJ/kg] [Btu/lb]
Temperature
–35...+80 °C
–3...+176 °F
12
Rev. Data - V41
Danfoss
Part Number
134B9411
134B9425