Application : It is used to calibrate the sound level meters.

Specifications

Model

ND9

SOUND LEVEL METER CALIBRATOR

Model Suffix

A

B

Standard

GB/T 15173, ANSI S1.40 CLASS2, IEC942

Output sound level

94 dB

94 dB

114 dB

114 dB

Accuracy

0.5 dB

0.3 dB

Frequency

1000 Hz + 2.4%

Design for

1”, ½”

Power supply

1x9V 6F 22 BATTERY

Dimension

142 x 47 x 47 mm

Weight (Not including battery)

275 g

Standard delivery

- Main unit

- Carrying  

  case type

-Instruction

  manual

1

B03

1