Ads by Google
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