382100 - Measuring equipment Extech - Free user manual and instructions
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| Product Type | AC/DC Clamp Meter |
| Model | 382100 |
| Brand | Extech |
| Display | 4000 count LCD with backlight |
| AC Current Range | 400A / 1000A |
| AC/DC Voltage Range | 400mV to 600V |
| Resistance Range | 400Ω to 40MΩ |
| Continuity Test | Audible beep below 50Ω |
| Diode Test | Yes |
| True RMS | Yes (AC) |
| Auto Range | Yes |
| Data Hold | Yes |
| Safety Rating | CAT II 600V, CAT III 300V |
| Power Supply | 9V battery (NEDA 1604) |
| Battery Life | Approximately 200 hours |
| Auto Power Off | After 30 minutes of inactivity |
| Dimensions | 8.9 x 3.1 x 1.6 in (226 x 79 x 41 mm) |
| Weight | 10.6 oz (300 g) |
| Clamp Opening | 1.9 in (48 mm) |
| Accessories Included | Test leads, carrying case, battery, manual |
| Warranty | 1 year |
Frequently Asked Questions - 382100 Extech
How do I measure AC current with the Extech 382100?
Select the AC current range (400A or 1000A) using the rotary switch. Clamp the jaws around a single conductor. The reading appears on the LCD display.
What is the maximum voltage this clamp meter can measure?
The Extech 382100 can measure up to 600V AC/DC in the voltage range. It is rated CAT II 600V for safety.
How do I replace the battery?
Turn off the meter and remove the battery compartment screw on the back. Replace the 9V battery (NEDA 1604). Ensure correct polarity.
Can I measure resistance with the clamp meter?
Yes, turn the dial to the Ω position. Connect the test leads across the resistor. The auto-ranging feature will display the value.
Why does my meter turn off automatically?
The auto power off function conserves battery life. The meter will shut down after 30 minutes of no activity. Press any button to wake it.
What is the clamp opening size?
The clamp opening is 1.9 inches (48 mm), suitable for cables up to 500 MCM.
How do I test continuity?
Turn the dial to the continuity/diode position. Connect the test leads. A beep sounds if the resistance is below 50Ω.
What is True RMS and why is it important?
True RMS provides accurate measurements of non-sinusoidal waveforms. It ensures reliable readings for modern electronic loads.
Can I measure DC current?
This model measures AC current only via the clamp. For DC current, you would need a different clamp meter.
What accessories are included?
The package includes test leads, a carrying case, a 9V battery, and the user manual.
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USER MANUAL 382100 Extech
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Product information
Brand : Extech
Model : 382100
Category : Measuring equipment