dead dog
Contributor
What kind of oil is used in depth gauges, like US Divers and SOS depth gauges from the 50's and 60's?
Depth Gauge Oil
- Thread starter dead dog
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GLYCERIN, 99.5% Pure = 35°F to 150°F
SILICONE, 200 centistoke = -100°F to 150°F
MINERAL OIL = 0°F to 115°F
Pending temperature range. Also if it is a Guage that reads less than 300 psi you would usually need to pull a vacuum on it as well, to maintain accuracy.
SILICONE, 200 centistoke = -100°F to 150°F
MINERAL OIL = 0°F to 115°F
Pending temperature range. Also if it is a Guage that reads less than 300 psi you would usually need to pull a vacuum on it as well, to maintain accuracy.
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