EA80 - Measurement Extech - Free user manual and instructions
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| Product Type | Sound Level Meter |
| Model | EA80 |
| Brand | Extech |
| Measurement Range | 30 to 130 dB |
| Accuracy | ±1.5 dB (94 dB @ 1 kHz) |
| Frequency Weighting | A and C |
| Time Weighting | Fast (125 ms) and Slow (1 s) |
| Display | 4-digit LCD with backlight |
| Data Hold | Yes, Max Hold function |
| Dimensions | 200 x 68 x 30 mm (7.9 x 2.7 x 1.2 in) |
| Weight | Approximately 200 g (7 oz) including battery |
| Power Supply | One 9V battery (NEDA 1604, 6F22, 006P) |
| Battery Life | Approximately 50 hours continuous use |
| Auto Power Off | After 15 minutes of inactivity |
| 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 | 10% to 90% RH non-condensing |
| Accessories Included | Battery, microphone windscreen, user manual |
| Maintenance | Clean with a soft damp cloth; do not use solvents |
| Safety | Use in dry conditions; avoid exposure to rain or moisture |
| Spare Parts / Repairability | Replaceable microphone capsule and battery; service by qualified technician |
Frequently Asked Questions - EA80 Extech
How do I change the battery in the Extech EA80?
Slide the battery cover on the back of the meter downward to remove it. Replace the 9V battery, ensuring correct polarity, and reattach the cover.
What is the measurement range of the EA80?
The EA80 measures sound levels from 30 dB to 130 dB with A and C frequency weighting.
How do I calibrate the sound level meter?
The EA80 is factory calibrated. For field calibration, use an external acoustic calibrator (e.g., Extech 407766) at 94 dB and adjust the calibration trimmer if accessible. Refer to the manual for details.
What does the 'Max Hold' function do?
The Max Hold function captures and displays the highest sound level measured until a new maximum is recorded or the function is reset.
Can I use the EA80 for industrial noise assessments?
Yes, the EA80 is suitable for general industrial noise monitoring, workplace safety checks, and environmental noise measurement.
How do I switch between 'Fast' and 'Slow' time weighting?
Press the F/S button to toggle between Fast (125 ms response) and Slow (1 s response) time weighting.
What does the 'A' and 'C' weighting represent?
A-weighting simulates human ear response at low levels, while C-weighting is nearly flat for higher level measurements. Use A for general noise and C for peak or impulse noise.
My EA80 display shows 'OL'. What does it mean?
'OL' indicates Over Load — the sound level exceeds 130 dB. Reduce the input level or move away from the source.
How do I clean the EA80?
Use a soft damp cloth to wipe the exterior. Do not use abrasive cleaners or immerse in water. Keep the microphone grid clean with a soft brush.
What spare parts are available?
Common spare parts include the 9V battery and a replacement microphone capsule (Extech part number). Contact Extech or an authorized dealer for service.
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USER MANUAL EA80 Extech
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Product information
Brand : Extech
Model : EA80
Category : Measurement