| Quantity | 3+ units | 10+ units | 30+ units | 50+ units | More |
|---|---|---|---|---|---|
| Price /Unit | $25.20 | $24.68 | $23.91 | $22.88 | Contact US |
TDJ814 NoiseMeter Instrument Noise Sound Decible Instrument
Specfications:
- Come to the project can be used for noise engineering, quality control, prevention and control of environmental noise and health monitoring, etc. Such as: engineering, school, hospital, shopping mall, cinemas, theaters, office, road traffic, family, sound and so on various occasions volume measurement applications.
- This product is high precision instrument, the measurement precision can reach ± 2 dB. Accord with international committee IEC651 TYPE2 and the American national standards ANSIS1.4 TYPE2.
Product features:
- Stem on wide measuring range of 40-130 dB (dB)
- Painted with a fast/slow reaction rate of choice
- With maximum lock function 9:28, unique one-piece after stents, easy to use
- An analogy with AC signal output can be connected to frequency analyzer or X-the Y axis recorder do data statistics analysis
Technical specifications:
- An LCD size: 30 x50mm
- Stem on the microphone: 1/2 inch capacitive the microphone
- An accuracy: ± 2 dB (in reference sound pressure prospective, 94 dB @ 1 kHz)
- Stem on frequency response: 31.5 Hz-8.5 kHz
- Stem on dynamic range: 30 dB
- Stem on measurement range: 40 ~ 130 dBA, 40 ~ 130 dBC
- The frequency characteristics, an weighted: A and C characteristics
- Stem on digital display: four digits, resolution 0.1 dB, sampling rate 2 times per second
- An analogy scale show: a scale representative 1 dB, sampling rate 2 times per second
- Stem on power: 6 a 9 V battery F22 1 only or DC 9 V 100 mA DC power supply
- Stem on working environment: 0-40 ℃ (104 ℉ ~ 32 ℉), 10, 70% RH
- An overall size: 235 x70x30mm
- Stem on weight: about 350 g color: orange
- The exquisite is an outer packing box
