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- Temperature
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- Modbus | Wireless Modbus
- PowerIO®
- EtherCAT P
- Accessory
Description
Mean value temperature sensor / rod sensor
THERMASGARD® MWTF
THERMASGARD® MWTF mean-value temperature transmitter with rod sensor (0.4...20 m) and passive output, in an impact resistant plastic housing with quick-locking screws as well as bendable sensor rod (fully active), protective tube made of plastic-coated copper, and anti-kink spring, incl. mounting flange.
THERMASGARD® MWTF-SD mean-value temperature transmitter with rod sensor (3 m or 6 m) and passive output, in an impact resistant plastic housing with snap-on cover, with bendable sensor rod (fully active), protective tube (hose) made of reinforced thermoplastic and anti-kink spring, incl. mounting flange.
THERMASGARD® MWTF-SD mean-value temperature transmitter with rod sensor (3 m or 6 m) and passive output, in an impact resistant plastic housing with snap-on cover, with bendable sensor rod (fully active), protective tube (hose) made of reinforced thermoplastic and anti-kink spring, incl. mounting flange.
The sensor device serves to detect the mean temperature (mean value) in gaseous media, e.g. in ventilation and air conditioning ducts over the entire cross section or over a defined length. Laid along a meandering route, it uniformly detects the surrounding temperature as a duct temperature sensor. MK-05-M mounting clamps (accessory) are available for proper mounting of the rod.
Technical details
Data points
température [°C]
Measuring range
–30...+80 °C
Sleeve
stainless steel, 1.4571, V4A
Sensor
active over the entire length
(averaging)
(averaging)
Rod material
copper sensor tube, plastic-coated,
with spring for buckling protection
with spring for buckling protection
Electrical connection
0.14 - 1.5 mm²
via terminal screws on circuit board
via terminal screws on circuit board
Housing dimensions
72 x 64 x 37,8 mm (Tyr 1)
Cable gland
M 16 x 1.5, including strain relief, exchangeable,
max. inner diameter 10.4 mm
max. inner diameter 10.4 mm
Installation
observe minimum bending radius of 35 mm and
permissible vibration load, ½ G
permissible vibration load, ½ G
Permissible air humidity
< 95 % RH, non-precipitating air
Protection class
III (according to EN 60 730)
Operating mode
2-wire connection
(4-wire connection for Pt100,
optional for other sensors)
(4-wire connection for Pt100,
optional for other sensors)
Sensor
Pt100, DIN EN 60751, class B
Connection type
4-wire connection
Testing current
< 1.0 mA (wire measuring resistor)
Process connection
by mounting flange, plastic
(galvanised steel optional, see accessories)
and mounting clamps MK - 05 - M
(galvanised steel optional, see accessories)
and mounting clamps MK - 05 - M
Sensor and rod dimensions
Ø = 5.0 mm,
nominal length NL = 3 m
(nominal length optional up to max. 20 m)
nominal length NL = 3 m
(nominal length optional up to max. 20 m)
Cable connection
cable gland, plastic (M 16 x 1.5; with strain relief, exchangeable, max. inner diameter 10.4 mm) 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, material polyamide,
30 % glass-globe-reinforced,
with quick-locking screws
(slotted/ Phillips head combination),
colour traffic white (similar to RAL 9016),
ambient temperature –20...+80 °C
30 % glass-globe-reinforced,
with quick-locking screws
(slotted/ Phillips head combination),
colour traffic white (similar to RAL 9016),
ambient temperature –20...+80 °C