Amprobe AU92 Automotive Multimeter

	*Model AU92*
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AU92 Automotive Multimeter

The Model AU92 is a full featured multimeter that has additional measurement features for Automotive Servicing. It offers a built-in thermometer and tests engine RPM and dwell as well as standard multimeter features of voltage, current, resistance and continuity.

AU92 Automotive Multimeter

Features

Performs all standard electrical test for on-car and bench troubleshooting including Tacho, Dwell, Volts, Ohms, and Diode.
Tests engine RPM and Dwell.
Measures AC/DC Voltage, AC/DC Current, Resistance, Diodes and offers Continuity Beeper.
accurate RPM measurements for 2 and 4-stroke automotive engines using the inductive Pickup.
locate faulty wiring and components.
data hold button and direct DWELL reading.
High impact over-molded case.

Safety Conformity

Specifications


DC Volts
	Voltage Range	400mV, 4V, 40V, 400V, 600V
	Accuracy	±(1.0% of Rdg + 2 digits)
	Resolution	0.1mV
	Input Impedance	100MΩ	400mV Range
		10MΩ	4v Range
		9.1MΩ	40V to 600V Range
AC Volts
	Range	400mV, 4V, 40V, 400V, 600V
	Accuracy	±(2.0% of Rdg + 5 digits)	400mV (50Hz to 100Hz
		±(2.0% of Rdg + 5 digits)	4V, 40V, 400V, 600V (50Hz to 500Hz
	Resolution	0.1mV
	Input Impedance	100MΩ	400mV Range
		10MΩ	4v Range
		9.1MΩ	40V to 600V Ranges

DC Current
	Range	400µA, 4000µA, 40mA, 400mA, 10A
	Accuracy	±(2.0% of Rdg + 2 digits)	400µA to 400mA Ranges
		±(3.0% of Rdg + 3 digits)	10A Range
	Resolution	0.1µA

AC Current (50Hz to 500Hz)

	Range	400µA, 4000µA, 40mA, 400mA, 10A
	Accuracy	±(2.0% of Rdg + 2 digits)	400µA to 400mA Ranges
		±(3.0% of Rdg + 3 digits)	10A Range
	Resolution	0.1µA

Note: Current measurement 10 Amps for 60 seconds maximum followed by a 10 minute cooling period

Resistance
	Ranges	400Ω, 4kΩ, 40kΩ, 400kΩ, 4MΩ, 40MΩ
	Accuracy	±(1.5% of Rdg + 4 digits)	400Ω, 4kΩ, 40kΩ, 400kΩ Ranges
		±(2.5% of Rdg + 4 digits)	4MΩ Range
		±(5.0% of Rdg + 5 digits)	40MΩ Range
	Resolution	0.1Ω	on 400Ω Range

Frequency (auto ranging)
	Ranges	4kHz, 40kHz, 400kHz
	Accuracy	±(0.1% of Rdg + 3 digits)
	Resolution	1Hz
	Sensitivity	>3.5Vrms	10Hz to 400Hz Range
	Max. Pulse Width	>2.5µs
	Duty Cycle Limits	>30% and <70%

Temperature
	Ranges	-20°C to 1000°C (-4°F to 1832°F)
	Accuracy	±(2.0% of Rdg + 4 digits)	-20°C to 10°C Range
		±(1.0% of Rdg + 3 digits)	10°C to 200°C Range
		±(2.0% of Rdg + 4 digits)	-20°C to 10°C Range
		±(3.0% of Rdg + 2 digits)	200°C to 1000°C Range
		±(2.0% of Rdg + 8 digits)	-4°F to 50°F Range
		±(1.0% of Rdg + 6 digits)	50°F to 400°F Range
		±(3.0% of Rdg + 4 digits)	400°F to 1832°F Range
	Resolution	0.1°C/0.1°F
	Sensor Type	Type-K Thermocouple

RPM
	Range	600 RPM to 4000 RPM
		4000 RPM to 12000 RPM	X10 RPM Range
	Accuracy	±(2.0% of Rdg + 4 digits)
	Resolution	1 RPM
	Effective Reading	>600RPM
	% Duty Cycle	1.0% to 90%
	Resolution	0.1%
	Pulse Width	>100µs, <100ms
	Accuracy	±(2.0% of Rdg + 5 digits)

Dwell Angle
	No. of Cylinders	4, 5, 6, 8
	Angle	0° to 90°	4 Cylinders
		0° to 72°	5 Cylinders
		0° to 60°	6 Cylinders
		0° to 45°	8 Cylinders
	Accuracy	±(2.0% of Rdg + 5 digits)
	Resolution	0.1°

Continuity
	Audible Indication	Less than 25Ω
	Response Time	500ms

Diode Test
	Test Current	1.0mA (approx.)
	Accuracy	±(3.0% of Rdg + 3 digits)
	Resolution	10mV
	Audible Indication	<0.25V
	Open Circuit Volts	3.0V DC typical

General Specifications

	Display	3-3/4 Digit Liquid Display (LCD) 3999-counts
	Display Refresh Rate	2 times/second, nominal
	Polarity	Automatic, positive implied, negative polarity indication
	Overrange	Yes
	Zero	Automatic
	Low Battery	Yes
	Operating Temperature	0°C to 50°C at <70% R.H.
	Storage Temperature	-20°C to 60°C at <80% R.H.
	Power Supply	Std 9 Volt battery, NEDA 1604, JIS 006P, IEC 6F22
	Battery Life	150 hours typical with carbon zinc
	Dimensions	165mm (L) x 78mm (W) x 50mm (D)
		6.5" (L) x 3.1" (W) x 1.9" (D)
	Weight	315g (11.1oz) approx.

Included Accessories
Test leads, Battery (installed), Temperature Adapter and Type-K Thermocouple, spare fuse, Inductive Pick-up probe, carrying case and user manual.