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Bourdon tube pressure gauge Test gauge series class 0.6 wika 311.11, 331.11

Bourdon tube pressure gauge Test gauge series class 0.6 wika 311.11, 331.11

Applications

■■ For gaseous and liquid media that are not highly viscous

or crystallising

■■ Model 311.11: Measuring system Cu-alloy

Model 331.11: Measuring system stainless steel, also for

aggressive media

■■ Precision measurement in laboratories

■■ High-accuracy pressure measurement

■■ Testing of industrial type pressure gauges

Special features

■■ Knife edge pointer for optimal accuracy of reading

■■ Precise movement with wear parts of argentan

■■ Particularly easy-to-read scale due to nominal size 250

■■ Scale ranges up to 0 … 1600 bar

Description

Design

EN 837-1

Nominal size in mm

250

Accuracy class

0.6

Scale ranges

Model 311.11: 0 ... 0.6 to 0 ... 600 bar

Model 331.11: 0 ... 0.6 to 0 ... 1600 bar

or all other equivalent vacuum or combined pressure and

vacuum ranges

Adjustment medium

≤ 25 bar: Gas

> 25 bar: Liquid

Pressure limitation

Steady: Full scale value

Fluctuating: 0.9 x full scale value

Short time: 1.3 x full scale value

Permissible temperature

Ambient: -40 ... +60 °C

Medium: +80 °C maximum (model 311.11)

+200 °C maximum (model 331.11)

Temperature effect

When the temperature of the measuring system deviates

from the reference temperature (+20 °C):

Max. ±0.4 %/10 K of full scale value

Ingress protection

IP 54 per EN 60529 / lEC 529

Bourdon tube pressure gauge Test gauge series class 0.6 wika 311.11, 331.11

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Bourdon tube pressure gauge Test gauge series class 0.6 wika 311.11, 331.11

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Made in China

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