Immersion/ screw-in/ duct temperature measuring transducer TM 65 - Modbus - T3
temperature Temperature

Immersion/ screw-in/ duct temperature measuring transducer THERMASGARD® TM 65 - Modbus - T3

Product group: WG01

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172,05 €
204,74 € incl. VAT + shipping


Immersion/ screw-in/ duct temperature measuring transducer THERMASGARD® TM 65 - Modbus - T3
Patented quality product (immersion sensor patent no. DE 10 2012 017 500.0)

Calibratable temperature measuring transducer with sensor tube THERMASGARD® TM 65 - Modbus - T3, with Modbus connection, in an impact-resistant plastic housing with quick-locking screws, stainless steel-protective tube (50 - 400 mm), optionally with/ without display, measures temperature (–50...+150 °C). International system of units SI (default) can be changed to imperial (via Modbus).

The duct sensor is used to detect the temperature in liquid or gaseous media. Use the stainless steel immersion sleeves for aggressive media. It is used in heating engineering, ventilation and air conditioning ducts, pipes, storage systems, compact district heating stations, warm and cold water systems, oil and lubrication cycle systems, machine and systems engineering and the entire industry sector.
Innovative Modbus sensor with galvanically separated RS485 Modbus interface, selectable bus termination resistance, DIP switch for setting the bus parameters and bus address in current-free state, internal LEDs for telegram status display, two separate push-in terminals and large three-line display (illuminated, with customised programming in the 7-segment range and dot-matrix range). Uses internal diagnostics to detect sensor breakage or sensor short circuit as errors. The error messages can be retrieved via Modbus and are shown on the display. The sensor is factory-calibrated; an environmental precision adjustment by an expert is possible.

Technical details

Voltage supply
24 V AC (± 20 %) and
15…36 V DC
Power consumption
< 1.2 W/ 24 V DC; < 1.8 VA/ 24 V AC
Data points
température [°C] [°F]
Temperature deviation
typically ± 0.2 K at +25 °C
Pt1000, DIN EN 60751, class B
(Perfect Sensor Protection)
Measuring range
–50...+150 °C
Zero point offset
± 10 °C
Ambient temperature
Measuring transducer –30...+70 °C
depending on selected immersion sleeve
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
Protective tube
stainless steel, 1.4571, V4A, Ø = 6 mm
Electrical connection
0.2 - 1.5 mm², via push-in terminal
Cable connection
cable gland, plastic
(M 20 x 1.5; with strain relief, exchangeable,
inner diameter 8 - 13 mm) or
M12 connector according to DIN EN 61076-2-101
(optional on request)
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)*
Display with illumination, three-line, programmable,
cutout approx. 51 x 29 mm (W x H),
for displaying the actual temperature or
an individually programmable display value
Internal diagnostics
Error 1 at sensor breakage
Error 2 at sensor short circuit