EXTECH 407766 声音校准器
不含增值税
9,675,939 VND
含增值税
10,450,014 VND
安全结算
品质保证
轻松更换与退货
支持配送
Frequency: 1000 Hz /±5%
Sound Pressure Level: 114dB /±1dB
Distortion <2% Total Harmonic Distortion (THD)
Operating Temperature: 32 to 122°F (0 to 50°C)
Power Supply: Two Heavy duty, alkaline 9V Battery
Power consumption: Approx. 10mA DC
Dimensions: 2.2" diameter x 5.6" long (50 x 127mm)
Weight: 0.75
Complete with two 9V batteries, carrying case, and screwdriver
Features
- Calibrates and verifies Sound Level Meter operation
- For use on Sound Level Meters with 0.5" or 1.0" microphones
- Durable die-cast, aluminum housing
- Total Harmonic Distortion (THD) <2% at 94dB
- Complete with two 9V batteries, carrying case, and screwdriver
- LED indicator lights up when power is on
- Level position to select 94dB or 114dB
- 1kHz sine wave at 94dB/114dB is generated to an accuracy of 5% (frequency) and ±0.8dB
- 3 position switch (OFF/94dB/114dB)
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