Saunders & Weeks (Bristol) Ltd Vacuum & Temperature Instrumentation - click here for text version.
   
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GAUGES>>

Capsule

Intended Service
Capsule gauges are designed specifically for use on low pressure gases which cannot be measured with a bourbon tube gauge. It should be noted that these sensitive gauges should not be used on liquids.
Capsule Gauge
 
Normal Sizes 50, 63, 100, 150, 200, 250 and 300mm
Accuracy Class ± 1.6 % Maximum Scale Value
EN 837:1998
Design EN 837:1998
Scale Ranges 50 and 63mm: 40 to 400
100 to 300mm: 100 to 400 mbar or equivalent other units of pressure or vacuum
Working Pressure
Steady 3/4 of full scale value
Fluctuating 2/3 of full scale value
Short time Full scale value
Operating Temperature
Ambient TMIN –25 to TMAX +60 ºC
Medium TMAX +60 ºC
Temperature Error
Additional error when temperature of the pressure element deviates from +20 ºC
Rising Temperature +0.3%/10 ºC
Falling temperature -0.3%/10 ºC
Percentage of the true scale value
  STANDARD FEATURES
Pressure Connections
Radial or back entry
Material A.I.S.I 304 Stainless Steel
Pressure Element
Material Beryllium Copper
Movement
Material Brass
Dial Aluminium with black lettering on white. With Pointer stop pin
Pointer Black aluminium pointer
Case A.I.S.I 304 Stainless Steel
Window Glass
Optional Extras Special Dials, Economy Versions, Absolute Pressure Ranges
 
   
Saunders & Weeks (Bristol) Ltd, 265-267 Church Road, Redfield, Bristol BS5 9HU, United Kingdom