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Amprobe SM-20A
Catalog #: 3477333
Sound Level Datalogging Meter, A and C Weightings with USB and PC Software
- Overview
- Specifications
- Summary
Product Highlights
- Sound meter with PC computer download capabilities
- Internal memory, 14,000 records
- Designed to meet the measurement requirements of safety engineers, health, industrial safety offices and quality control in various environments.
- A and C weightings for checking compliance with safety regulations as well as acoustic analysis
- Measuring ranges: A weighting 30~130dB, C weighting 35~130dB
- Frequency range: 31.5Hz~8KHz
- Display with 0.1dB steps on a 4 digit LCD
- Slow (1 sec) and fast (125ms) response settings to check peak and average noise levels
- Max/min recording
- Internal memory, 14,000 records
- Recording intervals from 1 second to 8 hours
- PC computer download capabilities
- Data hold to freeze reading on digital display
- CE, designed to meet IEC651 type 2, ANSI S1.4 type 2
Each Unit Includes
- 1 - Carrying case
- 1 - users manual
- 1 - battery(installed)
- 1 - USB cable download and software CD
| Display |
4 digits LCD |
| Microphone |
1/2 inch Electret condenser microphone |
| Low Battery Indication |
Replace battery when LCD displays “” |
| Power Supply |
9V NEDA 1604, IEC 6F22, JIS 006P battery |
| Power Life |
Approx. 50 hrs (alkaline Battery) |
| Auto Power Off |
Approx. 5 min |
| Environment |
Indoor operation, < 2000 m |
| Temperature / Humidity |
| Operation |
5 °C to 40 °C (41°F to 104°F); < 80% RH |
| Storage |
-10 °C to 60 °C (14°F to 140°F); < 70 %RH |
| Dimension |
200 x 55 x 38 mm (7.8 x 2.2 x 1.5 in) |
| Weight |
233g. (0.5 lb.) Including battery |
| Electrical (Audio) |
| Standard applied |
IEC 651 Type2, ANSI 1.4 Type 2 |
| Dynamic range |
50 dB |
| Resolution |
0.1 dB, Display Update: 0.5 sec. |
| Time weighting |
FAST(125mS), SLOW(1 sec) |
| Frequency range: |
31.5 Hz to 8 kHz |
| Measuring level range |
(Auto Range)
A Weighting: 30 to 130 dB
C Weighting: 35 to 130 dB |
| Accuracy |
± 1.5 dB |
| Calibration cycle |
1 year |
| Accessories |
Carrying case, windscreen, User manual and 9V battery |
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EN61326-1 This product complies with requirements of the following European Community Directives: 89/336/EEC (Electromagnetic Compatibility) and 73/23/EEC (Low Voltage) as amended by 93/68/EEC (CE Marking). However, electrical noise or intense electromagnetic fields in the vicinity of the equipment may disturb the measurement circuit. Measuring instruments will also respond to unwanted signals that may be present within the measurement circuit. Users should exercise care and take appropriate precautions to avoid misleading results when making measurements in the presence of electronic interference. |
| Environmental Testers / Physical Property/Sound Level Meters Template |
| Minimum Sound Level |
30 dB |
| Maximum Sound Level |
130 dB |
| Display (Sound Level Meter) |
Digital |
| Single Range |
No |
| Dual Range |
Yes |
| A Frequency Weighting |
Yes |
| B Frequency Weighting |
No |
| C Frequency Weighting |
Yes |
| Frequency Range Max |
8 kHz (8000 Hz) |
| Resolution (Sound Level Meters) |
0.1 dB |
| Accuracy |
± 1.5 dB |
| Calibrator Capability |
No |
| Vibration Measurement |
No |
| Noise Level Measurement |
Yes |
| Fast/Slow Time Adjustment |
Yes |
| Min/Max Display |
Yes |
| Tripod Mount |
No |
| Type (Sound Level Meter) |
II |
| Unique Features |
A and C weightings for checking compliance with safety regulations as well as acoustic analysis
Measuring ranges: A Weighting 30~130dB, C Weighting 35~130dB
Frequency range: 31.5Hz~8KHz
Display with 0.1dB steps on a 4 digit LCD
Slow (1 sec) and fast (125ms) response settings to check peak and average noise levels
MAX/MIN recording
Internal memory, 14,000 records
Recording intervals from 1 second to 8 hours
PC computer download capabilities
Data Hold to freeze reading on digital display |
| Warranty |
1 YEARS |
| Product Weight |
0.5 LBS |
| Product Height |
1.5 IN |
| Product Length |
7.8 IN |
| Product Width |
2.2 IN |
| Data Logging |
Yes |
| HTS/Schedule B Number |
9027808090 |
| ECCN Number |
3A992 |
| Calibration Included |
Factory Calibration |
| Power Supply Voltage |
Battery Powered |
| Country of Origin |
Taiwan |
| Shipping Height |
3.30 IN |
| Shipping Length |
11.75 IN |
| Shipping Width |
6.70 IN |
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