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descriptions of wika refrigeration gauge 111.11rf:
sizes
2½“ (68 mm)
accuracy class ± 125% of span
1% at zero pressure
2% in the first 75% of the scale
5% in the last 25% of the scale
ranges -30 inhg 120 psi, retard to 350 psi, 0500 psi
additional ranges consult factory
working pressure
steady: 34 of full scale value
fluctuating: 23 of full scale value
short time:
full scale value
operating temperature
ambient: -40°f to 140°f (-40°c to 65°c)
media:
140°f (+65°c) maximum
temperature error
additional error when temperature changes from reference tempe-rature of 68°f (20°c) ±0.4% for
every 18°f (10°c) rising or falling. Percentage of span.