AN10 - Measurement Extech - Free user manual and instructions
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| Product Type | Sound Level Meter (Decibel Meter) |
| Measurement Range | 30 to 130 dB |
| Accuracy | ±1.5 dB (at 94 dB, 1 kHz) |
| Frequency Weighting | A and C weighting |
| Time Weighting | Fast and Slow |
| Display | 4-digit LCD with backlight |
| Resolution | 0.1 dB |
| Frequency Range | 31.5 Hz to 8 kHz |
| Data Hold | Max/Min hold function |
| Auto Power Off | Yes, after 15 minutes of inactivity |
| Battery Type | 9V alkaline battery (6F22 or equivalent) |
| Battery Life | Approximately 50 hours continuous use |
| Low Battery Indicator | Yes, displayed on LCD |
| Dimensions | 210 x 60 x 30 mm (8.3 x 2.4 x 1.2 inches) |
| Weight | Approximately 200 g (7.0 oz) including battery |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Storage Temperature | -10°C to 60°C (14°F to 140°F) |
| Humidity | < 80% RH non-condensing |
| Calibration | Built-in calibration adjustment (94 dB @ 1 kHz via screwdriver) |
| Accessories Included | 9V battery, windscreen, instruction manual |
| Safety Standards | EN 61672-1 Class 2 |
Frequently Asked Questions - AN10 Extech
How do I turn on the Extech AN10 sound level meter?
Press the POWER button located on the side of the meter. The LCD will activate and display the current sound level.
What is the difference between A and C frequency weighting?
A weighting simulates human hearing at low levels, while C weighting is more flat and used for peak measurements or for assessing noise at high levels.
How do I select Fast or Slow time weighting?
Press the FAST/SLOW button to toggle between fast (125 ms) and slow (1 second) response times. Fast is for capturing quick changes; slow for averaging.
Why is the display showing 'OL'?
'OL' indicates an overload or underload condition. The measured sound level is outside the meter's range (below 30 dB or above 130 dB).
How do I calibrate the Extech AN10?
Use a calibrated sound source (e.g., 94 dB @ 1 kHz) and adjust the calibration screw on the side of the meter until the display reads 94.0 dB. This should be done periodically.
Can I measure sound levels over a long period?
Yes, but note that the meter has an Auto Power Off feature that turns it off after 15 minutes of no button presses. You can disable this by pressing and holding the HOLD button while turning on the meter.
What battery does the AN10 use and how do I replace it?
It uses a 9V alkaline battery (6F22 or equivalent). Slide off the battery compartment cover on the back, replace the battery, and reattach the cover.
What does the 'Max Hold' function do?
Pressing the MAX/MIN button enables Max Hold, which displays the highest sound level measured since activation. Press again for Min Hold. To exit, press the button until it returns to normal mode.
How do I clean and maintain the AN10?
Wipe the case with a damp cloth and mild detergent. Do not use solvents. Store in a dry place. If not used for extended periods, remove the battery to prevent leakage.
Can I connect the AN10 to a computer or recorder?
The standard Extech AN10 does not have a data output. It is a standalone meter with no interface for external logging.
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USER MANUAL AN10 Extech
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Product information
Brand : Extech
Model : AN10
Category : Measurement