Saunders & Weeks (Bristol) Ltd Vacuum & Temperature Instrumentation - click here for text version.
   
  Tel: (+44) 0117 9557142 Fax: (+44) 0117 9556064
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MANUFACTURERS + REPAIR & RECALIBRATION
Pressure, vaccum, temperature instrumentation
 
GAUGES>>

Test

Intended Service
These hand crafted instruments are guaranteed to have an accuracy not exceeding ± 0.25% of Maximum Scale Value. The careful selection of quality parts ensures this, and every Test Gauge is supplied with a point-by-point calibration certificate with traceability, through our test equipment, to National Standards.
Test Gauge
 
Normal Sizes 150, 200, 250 and 300mm
Accuracy Class ± 0.25% Maximum Scale Value
EN 837:1998
Design EN 837:1998
Scale Ranges -1 to 1000 Bar 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 +0.4%/10 ºC
Falling temperature -0.4%/10 ºC
Percentage of the true scale value
  STANDARD FEATURES
Pressure Connections
Radial or back entry
Material Brass
Pressure Element
Material Beryllium Copper
Movement
Material Brass with Nickel Silver pinions and arbors
Dial Aluminium with black lettering on white. With Pointer stop pin
Pointer Black aluminium pointer
Case Steel
Window Glass
Optional Extras Special Dials, Stainless Steel Case, Stainless Steel Wetted Parts, Safety Pattern, 0.5% Accuracy,
0.1% Accuracy (250mm only)
 
   
Saunders & Weeks (Bristol) Ltd, 265-267 Church Road, Redfield, Bristol BS5 9HU, United Kingdom