Vacuum pressure gauge is a special pressure gauge designed to measure pressure below the atmospheric pressure. Normally the atmospheric pressure is set as zero and the vacuum pressure is given in negative value.
|Connection size||Scale value (psi)||Working pressure (psi)||Ref. No.|
|1/4″ / DN8||-14.5 ~ 300||300||V9601|
|1/2″ / DN15||-14.5 ~ 300||300||V9602|