Saunders & Weeks (Bristol) Ltd Vacuum & Temperature Instrumentation - click here for text version.
   
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Standard, Class 1.6

Intended Service
General purpose pressure gauge. Suitable for all gaseous and liquid media that will not obstruct the pressure system or attack the copper alloy parts.
Standard, Class 1.6
 
Normal Sizes 40, 50, 63, 75 and 100mm
Accuracy Class 1.6 per EN 837:1998
Design EN 837:1998
Scale Ranges 0 … 1 to 0 … 400 bar or equivalent other units of pressure or vacuum. Standard ranges per EN 837:1998
Working Pressure
Steady 3/4of 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 Cu-alloy
Threaded entry per EN 837:1998
  40mm: G 1/8 A
  50, 63 and 75mm: G 1/4 A
  100mm: G 3/8 A
Pressure Element
Material Cu-alloy
>40 bar C-type  
>40 bar helical type  
Movement
Material Cu-alloy
Dial White plastic with red and black lettering. With Pointer stop pin
Pointer Black aluminium pointer
Case Black finish steel or black plastic
Window Snap-fit window of clear plastic
Optional Extras Slip on bezel. Surface or panel mounting rings, Narrow panel ring with clamp.
S P E C I A L V E R S I O N S
For pressurized and industrial central heating 63mm size • With red set pointer.
Refrigerant gauges 63mm size • Featuring scales in ºC for refrigerants.
 
   
Saunders & Weeks (Bristol) Ltd, 265-267 Church Road, Redfield, Bristol BS5 9HU, United Kingdom