Martel Electronics BetaGauge 3II - Manual (Page 113)

Application Notes 6-28
Pressure to Pressure Test
You can perform a pressure to pressure calibration test
using either the conventional mode or the SYS mode of
operation. The following paragraphs describe all of the
possible configurations, as well as, the other equipment
necessary to perform a pressure to pressure test.
Conventional Mode
You may perform this test if:
 Your field instrument has a pressure input
range within the ability of one pressure module
on the BetaGauge II, and
 Your field instrument has a pressure output
range within the ability of the other pressure
module on the BetaGauge II.
Field Instrument Setup
 Pressure input
 Pressure output
Other Necessary Equipment
 Pressure source