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WIKA TR30 Manual De Instrucciones página 11

Térmómetro de resistencia, en versión compacta, térmómetro de resistencia, ejecución en miniatura
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3. Specifications
3.2 Resistance thermometer model TR31
Output signal Pt100, model TR31-P
Temperature range
Measuring element
Connection method
Sensor tolerance value
per DIN EN 60751
Output signal 4 ... 20 mA, model TR31-W
Temperature range
Measuring element
Connection method
Sensor tolerance value
per DIN EN 60751
Measuring span
Basic configuration
Analogue output
Measuring deviation
per DIN EN 60770, 23 °C ± 5 K
Linearisation
Linearisation error
Switch-on delay, electrical
Signalling of sensor burnout
Sensor short-circuit
Load R
A
Effect of load
Power supply
Max. permissible residual ripple
Power supply input
Power supply effect
Electromagnetic compatibility
(EMC)
Temperature units
Info data
Configuration and calibration data
Electrical connection
Readings in % refer to the measuring span
For a correct determination of the overall measuring error, both sensor and transmitter measuring deviations have to be
considered.
1) For detailed specifications for Pt100 sensors, see Technical Information IN 00.17 at www.wika.com.
2) The temperature transmitter should therefore be protected from temperatures over 85 °C
3) For measuring spans smaller than 50 K additional 0.1 K
4) ± 0.2 % for measuring ranges with a lower limit less than 0 °C
5) Use resistance thermometers with shielded cable, and ground the shield on at least one end of the lead, if the cables are longer than
30 m or leave the building.
WIKA operating instructions models TR30, TR31
Measuring range without neck tube -50 ... +150 °C,
with neck tube -50 ... +250 °C
Pt100 (measuring current: 0.1 ... 1.0 mA)
3-wire
4-wire
Class B
1)
Class A
Measuring range without neck tube -50 ... +150 °C,
with neck tube -50 ... +250 °C
Pt100 (measuring current: approx. 0.5 mA)
3-wire
Class B
1) 3)
Class A
minimum 20 K, maximum 300 K
Measuring range 0 ... 150 °C, other measuring ranges are adjustable
4 ... 20 mA, 2-wire
0.2 % (Transmitter)
linear with temperature per DIN EN 60751
±0.1 %
4)
< 10 ms
configurable: NAMUR downscale < 3.6 mA (typically 3 mA)
NAMUR upscale > 21.0 mA (typically 23 mA)
not configurable, generally NAMUR downscale < 3.6 mA (typ. 3 mA)
R
≤ (U
- 9 V) / 0.023 A with R
A
B
± 0.05 % / 100 Ω
DC 10 ... 35 V
10 % at 24 V / maximum 300 Ω Load
protected against reverse polarity
± 0.025 % / V
2004/108/EC, EN 61326 emission (Group 1, Class B) and interference
immunity (industrial application)
configurable °C, °F, K
TAG No., descriptor and message can be stored in transmitter
permanently stored in EEPROM
M12 x 1, 4-pin circular connector
2)
3)
in Ω and U
A
5)
in V
B
11
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Tr31