Models 784, 785, 787S, 789, 784E, 787SE, 789E, 787ME and 789PE
These gauges indicate the difference of the pressures measured at two points on a measured line on a single scale.
Types:bellows, Bourdon tube Size (dial diameter):100mm、150mm Scale range:1 kPa to 1 MPa
These gauges may be available with an electric contact
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