Specifications – WIKA TR30 Benutzerhandbuch
Seite 10
14016442.01 06/2011 GB/D
10
WIKA operating instructions model TR30 per ATEX
GB
3. Specifications
3.1 Output signal Pt100, model TR30-P
Measuring element and measuring insert
The Pt100 measuring element is located in the thermometer's probe tip.
Output signal Pt100, model TR30-P
Temperature range
Measuring range without neck tube -50 ... +150 °C, with neck tube -50 ... +250 °C
Measuring element
Pt100 (measuring current: 0.1 ... 1.0 mA)
Connection method
2-wire
3-wire
4-wire
Sensor tolerance value
1)
per DIN EN 60751
Class B
Class A
Electrical connection
Angular DIN connector Form A, M12 x 1 circular connector, 4-pin
Explosion protection
(option)
Intrinsically safe to Ex-i (ATEX) gas/dust, per Directive 94/9/EC
Marking: II 1G Ex ia IIC T* or II 2D Ex iaD 21 T*
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.
3.2 Output signal 4 ... 20 mA, model TR30-W
Measuring element and measuring insert
The Pt100 measuring element is located in the thermometer's probe tip.
The 4 ... 20 mA transmitter is mounted and potted within the tubular body of the
thermometer.
Output signal 4 ... 20 mA, model TR30-W
Temperature range
Measuring range without neck tube -50 ... +150 °C,
with neck tube -50 ... +250 °C
2)
Measuring element
Pt100 (measuring current: 0.5 mA)
Sensor tolerance value
1)
per DIN EN 60751
Class B
Measuring span
minimum 20 K, maximum 300 K
Basic configuration
Measuring range 0 ... 150 °C, other measuring ranges are adjustable
Analogue output
4 ... 20 mA, 2-wire
Measuring error
per DIN EN 60770, 23 °C ±5 K
0.2 % (Transmitter)
3)
Linearisation
linear with temperature per DIN EN 60751
Linearisation error
±0.1 %
4)
Switch-on delay, electrical
< 10 ms
Signalling of sensor burnout
configurable: NAMUR downscale < 3.6 mA (typically 3 mA)
NAMUR upscale > 21.0 mA (typically 23 mA)
Sensor short-circuit
not configurable, generally NAMUR downscale < 3.6 mA (typ. 3 mA)
Load RA
RA ≤ (UB - 9 V) / 0.023 A with RA in Ω and UB in V
Effect of load
± 0.05 % / 100 Ω
3. Specifications