Setra System Model 370 - Manual (Page 7)

Section One
INSTALLING THE MODEL 370
The Setra Digital PressureGauge, Model 370, is a highly accurate pressure meas-
urement system utilizing the patented SETRACERAM sensor, advanced micro-
computer based electronics, and sophisticated firmware, resulting in a 0.02% FS
system accuracy.
The unusual ergonomic design of the Model 370 allows it to be used as a bench top
instrument (with keypad and display at the proper angle for viewing), as a portable
device with a built in carry handle, or as a rack mount instrument with the optional
19" rack mount kit.
SETUP
Connect the pressure gauge to an AC outlet by inserting one end of the provided
power cord into the back of the gauge, and the other end of the cord to the AC outlet.
The gauge will operate at any voltage from 100 to 240 VAC, 50 or 60 Hz. Once you
have plugged your gauge into a live outlet, it is automatically on.
The gauge uses very little power, and may be left connected permanently.
If you have the optional battery, refer to Appendix IV concerning battery power and
automatic recharging.
DISPLAY TEST
When your gauge is first powered on, it automatically performs a display test, show-
ing all possible display segments. This test lasts approximately six seconds. The
gauge next displays "HELLO" and performs self-diagnostics to ensure proper
operation. The gauge then counts down to zero, and is ready for use.
PRESSURE CONNECTIONS
The Model 370 provides a standard 1/8" NPT female pipe thread pressure port with
filter, for connection to a variety of available fittings. The pressure gauge is rated for
clean dry gas (nonconductive/noncorrosive).
The Proof Pressure of the Model 370 (the maximum pressure which can be applied
without disturbing the calibration of the gauge) is 150% of the full scale pressure. To
ensure that the pressure applied to the gauge does not exceed the proof pressure,
properly rated relief valves should be installed in any system this gauge is connected
to.
That's all there is to installation. It is important that you read this User's Guide
thoroughly to ensure proper use of the gauge. The summary of Functions in the next
Section serves as a handy reference.
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