Chapter 8. Servicing the PT878
Transport® Model PT878 Portable Liquid Flowmeter User’s Manual 187
8.10 The Test Option
Within the Service Menu, the Test option includes seven tests to ensure that
the PT878 is performing properly: Test Screen, Test Keys, Watchdog Test,
Impulse Response, Wave Snapshot, Simulate and Battery Test.To enter this
option, scroll to the Test entry on the Service Menu and press [ENTER]. The
screen appears similar to Figure 123 below.
Figure 123: Test Option in the Service Menu
Scroll to the desired entry in the option menu and press [ENTER].
Velocity, ft/s
Signal, dB
0.00
32
Delta-T, ns
0.10 0.0
Volume, l/s
E0: No Errors
Site Program Meter Logging Service
Units
Reports
Test Calibrate
Diagnostics
Signal Setup
Error Limits
Factory Defaults
Flash Update
Test
X
Test Screen
Tes t Ke ys
Impulse Response
Watchdog Test
Wave Snapshot
Simulate
Battery Test