Ametek PST-2000 Handmatig - Pagina 5

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5 Description

The PST-2000 is designed to help test and troubleshoot the vehicle instrument system by

simulating the information normally fed to the gauges from the gauge sensors and sender

units. The unit receives power from an input cable that plugs into the speedometer or tach-

ometer harness connector. Optional input cables for bench testing are available that de-

rive their power from a cigarette lighter socket, an external power source, or an AC/DC

adapter. The output cables plug into the gauges to be tested.

Figure 1

PST-2000 Controls

The tool lets you vary the frequency of pulses sent to the speedometer and tachometer.

You vary the output frequency as stated in the procedures and observe the speedometer

or tachometer reading.

The tool also contains a variable resistance source to test temperature and fuel level

gauges, and current and millivolt signals to test ammeters.

072-40236-B

Using the PST-2000 with Freightliner Trucks

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