Dawson Tools DDM453 Manuel de l'utilisateur - Page 6

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6.1 Resistance:<60MΩ

1. Turn rotary switch to multifunction position.

2. Resistance is the default mode.

3. Connect leads across circuit.

4. Read resistance measurement on the display.

6.2 Continuity:

1.Turn rotary switch to multifunction position

2.Press FUNC to switch to continuity mode

3.Connect leads across circuit.

4.If measured resistance is less than 50Ω, the buzzer will sound.

6.3 Diode Test:

1.Turn rotary switch to multifunction position.

2.Press FUNC to switch to diode mode.

3.Connect INPUT lead to anode (+) and COM lead to cathode (-).

4.Read measured forward-biased voltage drop.

DDM453

7. Capacitance: <60mF

1.Turn rotary switch to the capacitance position.

2.Connect leads across voltage source/load.

3.Read voltage measurement on the display.

8. Temperature: -20°C~1000°C/-4°F~1832°F

1.Turn rotary switch to the TEMP position.

2.Press FUNC to select Fahrenheit or Celsius.

3.Touch tip of thermocouple to the test object.

4.Read measured temperature on the display.

9.1

Frequency:<10MHz

1.Turn rotary switch to the Hz/% position.

2.Frequency is the default mode.

3.Connect leads across circuit.

4.Read measured frequency on the display.

DDM453