MT90 (Speed / Time Sensors & Instruments)

±1 RPM Accuracy Easy Calibration Clear-Read LCD Display Back Light for Night Viewing (Battery Powered models) Input Source Can Be a Magnetic Pickup or Engine Alternator Power Supplied by Magnetic Pickup or 12, 24, or 32 VDC Battery System

• Signal Input Voltage: 4 to 35 Vrms from a magnetic pickup or alternator*
• Pulses per Revolution: 3 to 999

Power Requirements

• Pickup Power: 4-35Vrms*
• Battery Power: 8-40 VDC (12, 24, 32 volt)

Current:

• Tach backlight Off, 4mA @ 40 VDC
• Tach backlight On, 25 mA @ 40 VDC

• Case: 1018 polycarbonate/polyester blend
• Lens: Polycarbonate Bezel: #430 Stainless Steel
• Display: LCD, 4-digit, seven segment
• Operating Temperature: -4° to 158°F (-20° to 70°C)
• Storage Temperature: -13° to 185°F (-25° to 85°C)
• Mounting Hole: 3-7/16 in. (87 mm)
• Shipping Weight: 14 oz. (0.4 kg)
• Shipping Dimensions: 5-1/2 x 5-1/2 x 5-1/2 in. (140 x 140 x 140 mm)