Type 711.11 - Differential Pressure Gauges With Bourdon Tube Element, Vee Entry

Applications
Measurement of differential pressures or of two different pressures applied
For gaseous and liquid media that are not highly viscous or crystallising and will not attack copper alloy parts
Heating, ventilation and air conditioning

Special Features
Differential pressure with moving dial
Cost-effective and reliable
Scale ranges from 0 ... 0.6 bar

Description

Design
Two independent measuring systems, vee entry 60°
Nominal size in mm
100, 160
Accuracy class
1.6
Scale ranges
0 ... 0.6 to 0 ... 60 bar
Scale range must be selected in relation to the highest total pressure applied! In heating plants with circulating pumps, the overall pressure is usually defined as equal to the hydrostatic pressure plus the pump pressure.
In order to ensure a good readability, the pressure differential to be indicated should be no less than 1/6 of the full scale range.

When ordering please state both pressures:
a) maximum pressure applied,
b) differential pressure
Pressure limitation
Steady: 3/4 x full scale value
Fluctuating: 2/3 x full scale value
Short time: full scale value
Operating temperature
Ambient: -20 ... +60 °C
Medium: +60 °C maximum
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 33 per EN 60 529 / lEC 529

Selected documents