Precision Speed Instruments Logo Precision Speed Instruments, Inc

BUS SPEEDOMETERS

Why do bus manufacturers use
AMETEK/DIXSON
Speedometers? Quality!
Why use Ametek/Dixson to replace all speedometers?
Quality: 5yr/500,000 mile warranty (500 series)


Black bezel Pos. or neg. systems Non-adjustable For 2 pulses per tire revolution & 480 tire revolutions per mile
P/N Kit 47908 12v P/N Kit 47241 24v
(Kits contain head, wire harness and
magnetic sensor)
Black bezel Pos. or neg. systems Non-adjustable For 4 pulses per tire revolution & 480 tire revolutions per mile 24vdc only
P/Ns 48267 & **49728 (Heads only)
**Single scale (see below)
Note: If a kit is needed, add a "K" after the p/n.
Lower Costs:
  • Less inventory - 1 head for all front wheel and transmission signals. 1 head for ECM signals.
  • Accurate continuous mileage - easily set the odometer on any new head to the correct mileage. Monitor tire wear, fuel, service schedules, etc.
  • Hubometer costs are eliminated - obsolete for any powered unit.
  • Lower initial costs.
User Friendly: Simple calibration and trouble diagnosis
AMP plug makes testing
and installation easy.
Set correct mileage on 9 million mile
odometer & install seal.
10 switch panel allows accurate calibration
(700 Series) (700 Series)
Connect to any OEM wire harness (choose appropriate PSI interface harness). Replace any diameter head (choose appropriate PSI adapter plate). Scale plate has either US or metric major scale with the other as the minor. (Speedometers are available without a minor scale.)
Part Numbers
For front wheel or transmission signals

780B2-49274 (12v)
780B2-49252 (24v)
For ECM signals

780F2-48704 (12v)
780F2-49332 (24v)

Home Small-Engine Tachometers
Transducers/Magnetic Sensors Bus Speedometers
Sender Generators Replacement Instruments
Adapter Plates Motor Coach Instrumentation
Conversion From Mechanical Speed Switches
5" (128mm) Meters Tran-Save
Temperature Switches Pressure Switches
Termini Pressure & Vacuum Gauges
Parts/Service Topics/Troubleshooting