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THERMASGARD
Calibratable surface-contact temperature measuring transducer (compact variant) THERMASGARD
in an impact-resistant plastic housing with quick-locking screws, pipe feeder, incl. strap, optionally with ⁄ without display, measures temperature
(– 50...+ 150 °C / – 58...+ 302 °F). International system of units SI (default) can be changed to imperial (via Modbus).
The pipe surface-contact sensor is used to detect the temperature on lines, pipes (e.g., cold and warm water) or on heating sections for heating
control.
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 DATA
Voltage supply:
Power consumption:
System of units:
Data points:
Sensor:
Measuring range:
Deviation, temperature:
Zero point offset:
Ambient temperature:
Medium:
Bus interface:
Bus protocol:
Baud rate:
Signal filtering:
Housing:
Housing dimensions:
Cable connection:
Electrical connection:
Process connection:
Permissible air humidity:
Protection class:
Protection type:
Standards:
Features:
Internal diagnostics:
Switchable system of units
Measurements / Data points
Temperature
®
ALTM 1-Modbus-T3
24 V AC (± 20 %); 15...36 V DC
< 1.2 W ⁄ 24 V DC; < 1.8 VA ⁄ 24 V AC
SI (default) or Imperial (switchable via Modbus)
Temperature [°C] [°F]
Pt1000, DIN EN 60751, class B
– 50...+ 150 °C / – 58...+ 302 °F, T
typically ± 0.2 K at +25 °C / ± 0.4 °F at +77 °F
± 10 °C / ± 18 °F
Measuring transducer –30...+70 °C / –22...+158 °F
clean air and non-aggressive, non-combustible gases
RS 485, galvanically isolated, Bus termination activatable via DIP switches.
Up to 32 devices possible in one segment.
In case of a greater number of devices, RS485 transceivers must be used.
Modbus (RTU mode), address range 0...247 selectable
9600, 19200, 38400 Baud
0.3 s / 1 s / 10 s
plastic, UV-resistant, material polyamide, 30 % glass-globe reinforced,
with quick-locking screws (slotted ⁄ Phillips head combination),
colour traffic white (similar to RAL 9016),,housing cover for display is transparent!
108 x 78.5 x 43.3 mm / 4.25 x 3.09 x 1.70 in (Tyr 3 without display)
108 x 78.5 x 45,8 mm / 4.25 x 3.09 x 1.80 in (Tyr 3 with display)
cable gland, plastic (2x M 20 x 1.5;
with strain relief, exchangeable, inner diameter 8 - 13 mm / 0.3 - 0.5 in) or
M12 connector according to DIN EN 61076-2-101 (optional on request)
0.2 - 1.5 mm² / 24 - 16 AW, using push-in terminal
Endless strap with metal tightener (included in scope of delivery)
Ø = 13 - 92 mm / 0.5- 3.6 in (¼ - 3"), L = 300 mm / 12 in
< 95 % RH, non-precipitating air
III (according to EN 60 730)
IP 65 (according to EN 60 529)
CE conformity according to EMC Directive 2014 ⁄ 30 ⁄ EU
Display with illumination, three-line, programmable, cutout approx. 51 x 29 mm / 2.0 x 1.1 in (W x H),
for displaying the actual temperature, error message or an individually programmable display value
Error 1 at sensor breakage
Error 2 at sensor short circuit
SI (default)
→ Imperial
[°C]
→ [°F]
®
ALTM 1 - Modbus - T3 with Modbus connection,
at +100 °C ⁄ +212 °F, (compact variant)
max
Measuring ranges
7
Rev. Data - V40
SI (default)
→
–50...+150 °C
→
–58...+302 °F
Imperial
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