Wika TR30 Uživatelský manuál stáhnout pdf (Strana 10)

14016442.01 06/2011 GB/D

10 WIKA operating instructions model TR30 per ATEX

3. Specications

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

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.

For detailed specications 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

Measuring element Pt100 (measuring current: 0.5 mA)

Sensor tolerance value

per DIN EN 60751

Class B

Measuring span minimum 20 K, maximum 300 K

Basic conguration 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)

Linearisation linear with temperature per DIN EN 60751

Linearisation error ±0.1 %

Switch-on delay, electrical < 10 ms

Signalling of sensor burnout congurable: NAMUR downscale < 3.6 mA (typically 3 mA)

NAMUR upscale > 21.0 mA (typically 23 mA)

Sensor short-circuit

not congurable, generally NAMUR downscale < 3.6 mA (typ. 3 mA)

Load R

≤ (U

- 9 V) / 0.023 A with R

in Ω and U

in V

Eect of load ± 0.05 % / 100 Ω

3. Specications

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 59 60

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