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Description
Sleeve sensor / cable temperature sensor
THERMASGARD® HTF 50
The sleeve sensor/ cable sensor THERMASGARD® HTF is used to measure temperatures in liquid and gaseous media. It can be used as a duct sensor and - if installed in an immersion sleeve - as an immersion and screw-in sensor.
The
sleeve length varies, depending on request, from 30...400 mm (standard
is 50 mm respectively 200 mm), the cable length is arbitrary (standard
is 1.5 m). Depending on application, with silicone, glass fibre, or PVC
leads, for two-wire or four-wire connection. For direct, continuous use
in liquids, please use our THE immersion sleeves (see type table).
Technical details
Process connection
using immersion sleeves THE or
mounting flange, plastic
(optionally in galvanised steel)
mounting flange, plastic
(optionally in galvanised steel)
Insulating resistance
100 MΩ,
at +68 °F (500V DC)
at +68 °F (500V DC)
Permissible air humidity
< 95 % RH, non-precipitating air
Protection class
III (according to EN 60 730)
Sensor
NTC20kOhm
Connection type
2-wire connection
Testing current
< 2.0 mW
Measuring range
-31...+221 °F
Sensor protection
stainless steel, 1.4571, V 4A, Ø = 0.24 in
HTF 50 NL = 2 in
(other optional dimensions also available, NL = 1.18...16 in)
cable entry stamped
HTF 50 NL = 2 in
(other optional dimensions also available, NL = 1.18...16 in)
cable entry stamped
Connection cable
PVC, LiYY, 2 x AWG 24
Inserted length
1.97 in
sensor cable
KL = 5 ft
Protection type
IP 65 (according to EN 60 529)*
Optional
4-wire connection
also with two sensors
extended measuring range limits, depending on connection leads
IP 68 (according to EN 60 529) - Perfect Sensor Protection
IP 54 (according to EN 60 529) - glass fibre
Cable material: PVC, Silicone, PTFE, glass fibre
also with two sensors
extended measuring range limits, depending on connection leads
IP 68 (according to EN 60 529) - Perfect Sensor Protection
IP 54 (according to EN 60 529) - glass fibre
Cable material: PVC, Silicone, PTFE, glass fibre