Wika Differential Pressure Gauge, 732.18, 733.18, For refrigeration technology, stainless steel, NS 80 and 100
When the temperature of the measuring system deviates from the reference temperature (+20 °C): max. ±0.4 % / 10 K of full scale value
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Description
Design Two independent measuring systems, parallel entries in line Nominal size in mm 80, 100 Accuracy class 1.6 Scale ranges 0 ... 2.5 to 0 ... 60 bar -1 ... 0 ... +25 bar -1 ... 0 ... +12 bar -1 ... 0 ... +30 bar -1 ... 0 ... +15 bar -1 ... 0 ... +35 bar -1 ... 0 ... +16 bar -1 ... 0 ... +40 bar Other scale ranges on request. In order to ensure a good readability, the differential pressure should be no less than 1/6 of the full scale value. When ordering state both pressures: a) maximum total pressure applied b) differential pressure Pressure limitation Steady: Full scale value Fluctuating: 0.9 x full scale value Short time: 1.3 x full scale value Permissible temperature Ambient: 0 ... +60 °C Medium: +100 °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
Applications
• Measurement of differential pressure or of two different pressures applied in refrigeration plants or compressors • Simultaneous measurement of the vapour pressure and the resulting vapour temperature • For gaseous and liquid aggressive media that are not highly viscous or crystallising, also in aggressive ambienceSpecial features
• Differetial pressure with moving dial • Design optionally with duplex scale • With liquid-filled case for damping in applications with high dynamic pressure pulsations or vibrations and for avoiding condensation water Model 733.18 • Combined pressure and temperature scales as duplex, triples or quadruplex scales for all common refrigerantsDownloads
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