DMM300 Automotive Digital Multimeter

The Draper DMM300 is a specialist automotive digital multimeter designed for electrical diagnostics on vehicle systems. This versatile instrument combines auto and manual ranging capabilities with dedicated automotive testing functions, making it ideal for mechanics and auto electricians working on engine management and electrical fault-finding. Equipped with a backlit LCD screen for use in low-light conditions, the DMM300 handles voltage, current and resistance measurements alongside diode and continuity testing. The instrument features dedicated DWELL and tachometer functions for 4, 6 and 8 cylinder engines, enabling precise ignition system analysis and engine speed measurement. The duty ratio function adds further diagnostic capability for testing pulse-width modulated circuits commonly found in modern vehicles. Practical features include data hold for capturing readings, MAX function for recording peak values, and an automatic power-off function to preserve battery life. The continuity buzzer provides audible confirmation during circuit testing, whilst the compact dimensions and supplied protective case make this multimeter suitable for mobile workshop use or technicians working at multiple sites.

Features and Benefits:

• Auto and manual ranging for versatile electrical testing
• Dedicated DWELL and tachometer functions for engine diagnostics
• Backlit LCD screen for improved visibility in workshop conditions
• Data hold and MAX features for convenient reading capture
• Supplied with test leads and protective carry case

Specifications: AC Amps: 2A/10A AC Current: 2A/10A AC Voltage: 200mV/2V/20V/200V/600V Automatic Power Off: Yes Capacitance: N/A DC Amps: 2A/10A DC Current: 2A/10A DC Voltage: 200mV/2V/20V/200V/600V Diode on/off Test: Yes Dimensions: 150mm x 74mm x 43mm Duty Ratio: Yes Dwell: 4CYL, 6CYL, 8CYL Frequency: N/A Resistance (Ohms): 200O/2kO/20kO/200kO/2MO/20MO Symbol Unit Data Hold: Yes TACH: 4CYL/6CYL/8CYL Temperature Range: N/A Weight: 319g (approx.) Battery Type: 2 x AAA (not supplied) Contents: 1 x Automotive Digital Multimeter