Surface contacting temperature sensor THERMASGARD® ALTM1-Modbus

Item no. 1101-1216-0000-000

EAN 4251325600789

Product group: WG01

Surface contacting temperature sensor THERMASGARD® ALTM1 - Modbus - SD

Calibratable THERMASGARD ® ALTM1 - Modbus tube contact temperature measuring transducer with strap, Modbus connection, terminal box enclosure made of impact resistant plastic, enclosure cover with quick-locking screws, with/without optional display (for indicating the actual temperature).

The surface-contact temperature transmitter is used for temperature detection on lines, pipes (e.g. cold and hot water) or on heating sections for heating system control. The tube sensor is factory-calibrated. Adjustment/Fine-tuning by the user is possible (zero-point offset is adjustable).

Voltage supply

24 V AC (± 20 %) and
15…36 V DC

Power consumption

< 1,0 W/ 24 V DC
< 2,2 VA/ 24 V AC

Temperature deviation

typically ± 0.4 °F at +77 °F

Sensor

Pt1000, DIN EN 60751, class B

Measuring range

–58...+302 °F
Tmax up to +212 °F (compact variant)

Zero point offset

± 18 °F

Ambient temperature

Measuring transducer –22 … +158°F

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

endless metal strap and metal tightener
(included in scope of delivery)

Strap dimensions

Ø = 0.51 - 3.62 in (¼ - 3"), L = 12 in

Housing

plastic, UV-stabilised,
material polyamide, 30 % glass-globe reinforced,
with quick-locking screws
(slotted/ Phillips head - combination),
colour traffic white (similar to RAL 9016)

Housing dimensions

2.8 x 2.5 x 1.5 in (Tyr 1)

Cable gland

2x M 12 x 1.5 (Y-adapter); with strain relief,
exchangeable, max. inner diameter 0.24 in

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