Wika DPGT40 Manual de usuario descargar pdf (Pagina 9)

WIKA operating instructions dierential pressure transmitter, model DPGT40 9

14093267.01 03/2014 GB/D/F/E

3. Specications

Electrical data

Power supply U

DC V

12 < U

≤ 30

Inuence of power

supply

% FS/10 V

≤ 0.1

Permissible residual

ripple

% ss

≤ 10

Output signal

Variant 1

Variant 3

Variant 4

4 … 20 mA, 2-wire, passive, per NAMUR NE 43

0 ... 20 mA, 3-wire

0 ... 10 V, 3-wire

Permissible max. load R

for variant 1 - 3

≤ (U

- 12 V)/0.02 A with R

in Ohm and U

Volt, however max. 600 Ω

Eect of load

(variant 1 - 3)

% FS

≤ 0.1

Electrical zero point

through a jumper across terminals 5 and 6 (see

operating instructions)

■

Long-term stability of

electronics

% FS/a

< 0.3

■

Electr. output signal ≤ 2.5 % of the measuring span (option ≤ 1.6 %)

Linearity

% of span

≤ 2.5 % (option ≤ 1.6 %), terminal method

Electrical connection via angular connector, 180° rotatable, wire

protection, cable gland M20 x 1.5, incl. strain relief,

connection cable: Outer diameter 7 ... 13 mm,

conductor cross-section 0.14 ... 1.5 mm

temperature resistance up to 70 °C

Ingress protection Angular connector: IP 65 per EN 60529 / IEC 60529

EMC directive 2007/108/EC interference emission (limit class B)

and immunity to EN 61 326-1

As a power supply, an unstabilised DC power supply is sucient in the range of

the specied limits. It is important to ensure that the applied power supply is at

least greater than the maximum required voltage drop from the external display

and evaluation units; i.e. the voltage at the pressure transmitter must not fall

below 10 V.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 75 76

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Wika DPGT40 Manual de usuario Pagina 9

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