Manual: 147-082010_HPM-760-Plus-Vacuum-Gauge Page 13 of 16
5. Maintenance

5.1. Power Supply/Display Authorized Maintenance

During normal operation and excluding the calibration procedure, Hastings 760 Plus power
supply/display does not require maintenance. In the event a Hastings power supply/display fails or is
otherwise damaged, it should be returned to the manufacturer (factory) for repair or replacement after
first obtaining the necessary returned material authorization (RMA) number.

5.2. Piezo Transducer Authorized Maintenance

During normal operation and excluding the calibration procedure, Hastings piezo vacuum transducers
(760S) do not require maintenance or adjustment. In the event a transducer fails or is otherwise
damaged, it should be returned to the manufacturer (factory) for repair or replacement after first
obtaining the necessary returned material authorization (RMA) number.