ND-9 Sound Level Meter Calibrator 94db & 114db ±0.3db IEC942

SKU:

$94.90

The Sound Level Calibrator is a handy source for fast & easy calibration of sound level meter, microphone and sound measuring system. Design to check the accuracy of many types of sound instruments.

Moreover, the calibrator employs a solid state integrated circuitry that provides accurate and stable performance. It is Compatible with SL-5868P sound level meter and an IEC942 Class I compliant.

Applications:

Sensitivity calibration for microphones
Suitable for acoustics field and laboratory use

Features

Sound Pressure Level with 94 dB and 114 dB
High Accuracy with ±0.3 db
Generates standard levels and frequencies
Extremely low influence of static pressure
Sensitivity calibration of microphones
Designed for 1" and 1/2" microphones
Battery Operated
Supplied with Instruction Manual and battery

Specifications

Output Sound Level: 94db & 114db
Accuracy: ±0.3db(20°C, 760mm Hg)
Frequency: 1000±0.1%Hz (allows calibration with A,B,C or D weighting networks or linear)
Temperature range: -10~50°C (14 ~ 122 °F)
Standard: IEC942 Class I
Design For: 1"and 1/2" microphones
Storage (with batteries removed) -40~65°C (-40 ~ 149 °F)
Extremely low influence of static pressure
Temperature coefficient : 0 to 0.01dB/°C
Altitude Effects: Approximately0.1dB decrease for each 2000 feet increase in altitudefrom the sea level to 12,000 feet elevation or comparableatmospheric pressure change (approx. every 50mm of Hgdecrease)
Power Supply: 9v transistor batteries NEDA 1604. Burgess 2U6 or equivalent.
Battery life approx.100 hours
Dimension: 48mm x 48mm x 138mm (5.43 x 1.89 x 1.89 inch)
Weight: 250g