Outside temperature sensor THERMASGARD® ATM 2 - Modbus

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Product group: WG01
Outside temperature sensor THERMASGARD® ATM 2 - Modbus
Calibratable THERMASGARD® ATM 2 - Modbus outside temperature measuring transducer with internal or external sensor, Modbus connection, terminal box housing made of impact resistant plastic, housing cover with quick-locking screws, with/without optional display for indicating the actual temperature.
The temperature transmitter serves to detect outside temperatures, temperatures in wet rooms e.g. for installation on outside walls, in cold storage buildings and greenhouses, in the industrial sector and in agriculture. In outdoor areas, the device should preferably be installed at the north side of a building or in a protected place. In cases of direct solar irradiation, a WS 01 or WS 04 sun and ball protection hood (accessories) or the device version with installed SS 02sunshade (available on request) must be used. The outdoor sensor device is factory-calibrated. Adjustment/Fine-tuning by the user is possible (zero-point offset is adjustable).
Technical details
Voltage supply
24 V AC (± 20 %) and
15…36 V DC
Power consumption
< 1,0 VA/ 24 V DC
< 2,2 VA/ 24 V AC
Temperature deviation
typically ± 0.2 K at +25 °C
Pt1000, DIN EN 60751, class B
Measuring range
–50...+150 °C
Zero point offset
± 10 °C
Ambient temperature
Measuring transducer –30...+70 °C
clean air and
non-aggressive, non-combustible gases
Error detection
sensor breakage, sensor short circuit
Bus protocol
Modbus (RTU mode),
address range 0...247 selectable
Signal filtering
0,3 s / 1 s / 10 s
Process connection
by screws
Cable gland
2x M 12 x 1.5 (Y-adapter); with strain relief,
exchangeable, max. inner diameter 6 mm
Permissible air humidity
< 95 % r. H., non-precipitating air
Protection class
III (according to EN 60 730)
Protection type
IP 65 (according to EN 60 529)*
CE conformity,
electromagnetic compatibility according to EN 61326,
according to EMC Directive 2014/ 30/ EU