Wika TR31 Manual de usuario descargar pdf (Pagina 10)

14096788.01 07/2014 GB/D

10 WIKA operating instructions models TR31-3, TR31-K

Explanation of symbols

Before mounting and commissioning the instrument,

ensure you read the operating instructions!

CE, Communauté Européenne

Instruments bearing this mark comply with the relevant

European directives.

3. Specications

Thermometerwithtransmitterandoutputsignal4...20mA

(model TR31-x-x-TT)

Temperature range without neck tube -50 ... +150 °C

(-58 ... +302 °F), with neck tube

-50 ... +250 °C (-58 ... +482 °F)

1) 2)

Measuring element

Pt1000

Connection method

2-wire

Tolerance value of the measuring

element

Class A

(per IEC 60751)

Measuring deviation of the

transmitter

±0.25 K

(per IEC 60770)

Total measuring deviation in

accordance with IEC 60770

Measuring deviation of the measuring

element + the transmitter

Measuring span

minimum 20 K, maximum 300 K

Basic conguration Measuring range 0 ... 150 °C

(-32 ... +302 °F), other measuring

ranges are adjustable

Analogue output

4 ... 20 mA, 2-wire

Linearisation

Linear to temperature per IEC 60751

Linearisation error

±0.1 %

Switch-on delay, electrical (time

before the rst measured value)

max. 4 s

Warming-up period

After approx. 4 minutes, the instrument

will function to the specications

(accuracy) given in the data sheet.

2.Safety/3.Specications

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 55 56

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Wika TR31 Manual de usuario Pagina 10

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