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Operating Environment| operating temperature | 32 to 104°F (0 to 40°C) |
|---|---|
| operating humidity | 15 to 85% relative humidity |
| operating altitude | 2000 m |
Power| battery type | 9V battery |
|---|---|
| current consumption | 20 mA max |
| battery life | One year minimum |
Electrical Specifications| nominal voltage | 120 to 400 VAC |
|---|---|
| frequency range | 2 to 400 Hz |
| nominal test current per phase | < 3.5 mA |
Weight and Dimensions| dimensions | 5.1 x 2.7 x 1.3 inches (130 x 69 x 32 mm) |
|---|---|
| weight | 4.6 oz (130 g) |
| maximum operating voltage | 400 V |
Explains various safety symbols used in the manual, including caution and electrical hazard warnings.
Outlines essential safety practices to avoid electric shock and injury when operating the instrument.
Guides users on how to determine phase rotation direction using the meter's test leads and indicators.
Instructions for checking motor turn direction using the contact method with test probes.
Instructions for checking motor turn direction using the non-contact method near the motor.
Details operating temperature, humidity, altitude, and pollution degree for the instrument.
Provides the physical dimensions and weight of the Extech Model 480403.
Lists electrical safety approvals and protection levels relevant to the meter's use.
Outlines battery type, current consumption, voltage, and frequency range for the tester.
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