EXTECH 407744 声音校准器
制造商: EXTECH Model: 407744 来源: Taiwan - 联系
Frequency: 1000 Hz /±5%
Sound Pressure Level: 94dB /±0.5dB (94dB)
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
Details
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
- Battery test position with battery status LED indicates if battery is good
- 1kHz sine wave at 94dB is generated to an accuracy of 5% (frequency) and ±0.8dB
- 质量承诺
- 正品保修
- 送货到家
- 交易简单化
