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Calibratable tube contact temperature measuring transducer with detached sensor and strap THERMASGARD ® ALTM 2 - Modbus with Modbus connection, terminal box enclosure made of impact-resistant plastic, enclosure cover with quick-locking screws, with ⁄ without optional display indicating the actual temperature.
The surface-contact sensor is used for temperature detection on lines, pipes (e.g. cold and hot water) or on heating sections for heating system control. The tube sensors are factory-calibrated. Adjustment ⁄ fine adjustment by the user is possible (zero point offset is adjustable).
24 V AC (± 20 %) and
15…36 V DC
< 1,0 VA ⁄ 24 V DC
< 2,2 VA ⁄ 24 V AC
|Temperature deviation||typically ± 0.2 K at +25 °C|
|Sensor||Pt1000, DIN EN 60751, class B|
detached sensor variant:
Tmax to +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|
Modbus (RTU mode),
address range 0...247 selectable
|Signal filtering||0,3 s / 1 s / 10 s|
endless metal strap and metal tightener
(included in scope of delivery)
|Strap dimensions||Ø = 13 - 92 mm (¼ - 3"), L = 300 mm|
material polyamide, 30 % glass-globe reinforced,
with quick-locking screws
(slotted ⁄ Phillips head - combination),
colour traffic white (similar to RAL 9016)
|Enclosure dimensions||72 x 64 x 37,8 mm (Tyr 1)|
2x M 12 x 1.5 (Y-adapter); with strain relief,
exchangeable, max. inner diameter 6 mm
silicone, SiHF, 2 x 0.25 mm², KL = 1.5 m
(other lengths and range limits optional,
e.g. PTFE leads up to + 250 °C or
glass fibre with steel wire mesh up to + 350°C)
|Permissible air humidity||< 95 % r. H., non-precipitating air|
|Protection class||III (according to EN 60 730)|
IP 65 (according to EN 60 529) humidity-tight stamped
IP 68 (optional watertight compound-filled) rolled
according to EMC Directive 2014 ⁄ 30 ⁄ EU,
according to EN 61 326
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