Company name: Beijing Fengyu Huayuan Instrument And Meter Co., Ltd
24-hour service Tel: 13910924471
Tel: 010-65264544
Holiday duty Tel.: 13910924471
QQ：99133400
Company address: No. 20, Shengshun street, Daxing District, Beijing
Postal Code: 100078
Email: yufenghuayuan@126.com
website: http://www.longog.com
Contact: Mr. Zhang
SOUND LEVEL TESTER
Use
This instrument complies with IEC651 TYPE2 and ANSI S1.4 TYPE2
Provisions. Applied to noise detection. Do environmental quality control.
For example, in public places, engineering construction, machinery and equipment and audio
The manufacture of series products has a wide range of applications.
Functions and Features
1. A, C frequency weighting characteristic selection
2. Time-weighted feature selection
3. Maximum and minimum lock
4. Over-range display.
5. Analog scale display 2310SL
6. A.C signal output
Technical parameters:
| Applicable standards | International Committee IEC Pub 651 American National Standard ANSI S1.4 |
| Accuracy | +/- 1.5dB (ref 94dB @1KHz) |
| Digital display | 4 digits |
| A-weighted measurement range C-weighted measurement range |
30dB to 130dB 35dB ~ 130dB |
| Measurement gear | 30-80dB, 50-100dB, 60-110dB, 80-130dB |
| Frequency response | 31.5 Hz to 8KHz |
| Frequency weighting characteristics | A feature and C feature |
| Microphone | 1/2 inch polarized condenser microphone |
| Digital display | 4 digits LCD, 0.1dB resolution, updated every 0.5s |
| AC / DC signal output | 2Vrms/full scale for each file, 10mV/dB |
| Overload indication | "OVER", "UNDER" symbol representation |
| Analog marking display | Each scale represents 1dB, and the sampling rate is 20 times/sec. |
| Power supply | 4 1.5V AAA batteries or DC 6V 100mA power converter |
| Dimensions | 265 (length) × 72(width) × 21(height)mm, (10.4" L × 2.8" W × 0.8" H ) |
| Weight | About 310 grams |
| Attachment | User manual, battery, carrying case, adjustment stick, sponge ball, 3.5f earphone plug |
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