Yueqing R&C Electrical Apparatus Co., Ltd.
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  • Contact Person : Mr. Cai Leo
  • Company Name : Yueqing R&C Electrical Apparatus Co., Ltd.
  • Tel : 86-577-62849090
  • Fax : 86-577
  • Address : Zhejiang,Yueqing,XiXinCheng.Panshi Town.Yueqing.CHINA
  • Country/Region : China
  • Zip : 325604

40db-130db portable sound level meter

40db-130db portable sound level meter
Product Detailed
1.watchhand reading 2.different level measurement,high resolution,good stability 3.30 years manufacturing experience

 TLND10 sound level meter

It meets IEC 61672 standard, GB/T3785 standard and the second class sound level meter standard of JJG188-2002 sound meter verification regulations.

It is suitable for various routine tests.

1. characteristics

     1)watch hand reading

       2)different level measurement, high resolution, good stability

     3)it can hold the max value (attenuate no more than 2dB/ min)

     4)fast and slow time weighting

     5)basic configuration: host machine, microphone (TLCH33), fan cover, horologe screwdriver, handbag

2.specification

modal

TLND10

Measuring range

40dB-130dB (A), 55dB-130dB (C)

Frequency weighting

A,C frequency weighting gridding

Frequency range

31.5HZ-8kHZ

Measuring rang attenuator classification error

Less than 0.5dB

Meter scale

0dB+10dB,error≤1dB

-5dB~0dB, error≤1dB

Amplifier output

Output voltage effective value 2v

Output impedance

About 600Ω

Minimum load impedance

10kΩ

Detection characteristics

Approximate effective value

Sound calibration

TL 6020 ( 94dB,1000HZ)

Electric calibration

Amplifier sensitivity is calibrated by internal electric calibration signal. Accuracy±0.5dB

Power

DC 7v-9v, with input hole for external power

Service environment

Temperature: -10°C-50°C

Humidity: 25%-90% ( at + 40°C)

Atmosphere: 65kPa-108kPa

Dimensions

254mm×75mm×50mm

Weight

0.4kg ( with battery)

 

40db-130db portable sound level meter



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