Manual de instrucciones de Murphy Selectronic MT90

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MT-9004B
Digital Tachometer by Murphy
Revised 03-06
Catalog Section 20
®
(00-02-0068)
SELECTRONIC
MT90 Model
■
±1 RPM Accuracy
■
Easy Calibration
■
Clear-Read LCD Display
■
Back Light for Night Viewing
(Battery Powered models)
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Input Source Can Be a Magnetic Pickup
or Engine Alternator
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Power Supplied by Magnetic Pickup
or 12, 24, or 32 VDC Battery System
Dimensions
Description Specifications
®
Calibration
The Murphy SELECTRONIC MT90 is a digital Back View
Signa

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4 4 4 4 4 4 4 4 4 4 4 4 3 3 3 3 3 3 3 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 Typical Wiring Diagrams for MT90 Calibration Terminal 2: connects to battery (-) or ground. To calibrate the MT90 for your engine, remove the rubber seal on the Terminal 3: connects the back-light to battery (+), (back-light can only be used back of the tachometer and dial in the correct number. when powering from battery). • Magnetic Pickup: dial in the number of teeth on your ring gear. Terminal 4: