Test gauge

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Model 312.20

Test gauge

with Bourdon tube, class 0.6


■ For gaseous and liquid media that are not highly viscous or crystallising and will not attack copper alloy parts
■ 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
■ Scale ranges from 0 … 0.6 to 0 … 600 bar


The model 312.20 mechanical test gauge has been specifically designed for the measurement of pressures with high accuracy. With its accuracy class of 0.6, the Bourdon tube pressure gauge is suitable for testing industrial type pressure gauges or for precision measurement in laboratories. For the respective measuring requirement, a scale range between 0 ... 0.6 and 0 ... 600 bar can be selected. The model 312.20 is constructed with a case from stainless steel and wetted parts from copper alloy. The instrument meets the requirements of the international industry standard EN 837-1 for Bourdon tube pressure gauges. The optimal readability of the instrument, with a nominal size of 160 mm, is achieved via a knife edge pointer and a dial with fine divisions. Supported through the optional mirror band scale, the parallax error can be eliminated. For this instrument, an optional DKD/DAkkS calibration certificate can be generated. Safe storage and transport is ensured by a transport case

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