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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.

 
 

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Leda Electronics Pty. Ltd.
A.C.N. 078 681 562           A.B.N. 83 078 681 562
P.O. Box 1733 Malaga, LPO WA 6944
                                                      Unit 5, 31 Century Road, Malaga, Western Australia 6090                                                            
Phone: 61 8 9248 6688    Fax: 61 8 9248 6227

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