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Description
Surface contact / tube contact temperature measuring transducer
THERMASGARD® ALTM2
Calibratable THERMASGARD® ALTM 2 tube contact temperature measuring transducer with eight switchable measuring ranges, external sensor, continuous output, housing made of impact resistant plastic with quick-release screws, optionally with/without display, with cable gland or M12 connector according to DIN EN 61076-2-101.
The surface-contact sensor device is used for temperature detection on lines, pipes (e.g. cold and hot water) or on heating sections for heating system control. The sensor is factory-calibrated and can be fine-tuned to ambient conditions by an expert.
Technical details
Power consumption
< 1,0 W/ 24 V DC
< 2,2 VA/ 24 V AC
< 2,2 VA/ 24 V AC
Voltage supply
24 V AC/ DC (± 10 %)
Temperature deviation
typically ± 0.4 °F at +77 °F
Load resistance
RL > 5 kOhm
Sensor
Pt1000, DIN EN 60751, class B
Connection type
2- or 3-wire connection
Ambient temperature
Measuring transducer –22 … +158°F
Process connection
endless metal strap and metal tightener
(included in scope of delivery)
(included in scope of delivery)
Insulating resistance
100 MΩ,
at +68 °F (500V DC)
at +68 °F (500V DC)
Strap dimensions
Ø = 0.51 - 3.62 in (¼ - 3"), L = 12 in
Electrical connection
AWG 16 - 26 via terminal screws
Cable gland
M 16 x 1.5, including strain relief, exchangeable,
max. inner diameter 0.4 in
max. inner diameter 0.4 in
Permissible air humidity
< 95 % RH, non-precipitating air
Protection class
III (according to EN 60 730)
Output
0 - 10 V
Protection type housing
IP 65 (according to EN 60 529) Housing tested,
TÜV SÜD, Report No.713139052 (Tyr 1)
TÜV SÜD, Report No.713139052 (Tyr 1)
Sensor protection
pipe feeder, stainless steel V4A (1.4571), Ø = 6 mm,
nominal length NL = 50 mm, cable entry stamped
nominal length NL = 50 mm, cable entry stamped
Measuring ranges
multi-range switching with 8 switchable measuring ranges,
(other ranges optional)
detached sensor variant: Tmax over 100 °C, operating range –50... +150 °C;
with manual zero point correction (± 10 K)
(other ranges optional)
detached sensor variant: Tmax over 100 °C, operating range –50... +150 °C;
with manual zero point correction (± 10 K)
Cable connection
cable gland, plastic (M 16 x 1.5; with strain relief, exchangeable, max. inner diameter 0.4 in) or
M12 connector according to DIN EN 61076-2-101 (optional on request)
M12 connector according to DIN EN 61076-2-101 (optional on request)
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)
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)
sensor cable
Silicone, SiHF, 2 x 24 AWG; cable length (KL) = 5 ft
(other lengths and jacket materials, e.g. PTFE or
glass fibre with steel mesh, available on request)
(other lengths and jacket materials, e.g. PTFE or
glass fibre with steel mesh, available on request)
Protection type
IP 65 (according to EN 60 529) humidity-tight stamped
IP 68 (optional watertight compound-filled) rolled
IP 68 (optional watertight compound-filled) rolled
Protection type (sensor)
IP 65 (according to EN 60 529) sleeve humidity-tight (standard)
IP 68 (according to EN 60 529) sleeve water-tight (optional)
IP 54 (according to EN 60 529) with glass fibre cable (optional)
IP 68 (according to EN 60 529) sleeve water-tight (optional)
IP 54 (according to EN 60 529) with glass fibre cable (optional)
Standards
CE conformity,
electromagnetic compatibility according to EN 61326,
according to EMC Directive 2014/ 30/ EU
electromagnetic compatibility according to EN 61326,
according to EMC Directive 2014/ 30/ EU