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Application: It is used to calibrate the sound level meters.
This instrument is compatible with several standards of GB/T 3785, IEC 651 Type 2, and ANSIS 1.4 Type 2.It is widely used to test the sound level of environment, mechanic, vehicle, ship and other noise. Fit for industry environment protecting, working, sanitation, teaching search and other departments.
|Display||14mm (0.55″) LCD with Backlight|
|Parameter Measurement||LP, Lmax, Leq, LN.|
|Measurement range|| LP :30~130dB (A)
35~130 dB (F)Leq:30-130dBLN: 0~100%
|Memory||Maximum value (30groups)|
|Time Weighting||(a)Fast (125ms) (b) Slow(15 second)|
|Alarm Output||LED & Optional Relay Contact(NC)|
|Alarm Value set||30~130dB|
|External DC Power supply||6V DC, 100mA|
|Dimension||236 x 63 x 26mm (9.3 x 2.5 x 1 inch)|
|Weight||170g (Including Batteries)|
|Accessories with Instrument|| 1. Main Unit—————1pc
2. Carrying Case…………….1pc.
3. Operation Manual……….1pc.
|Optional Accessories|| 1. ND9 sound level meter calibrator
2. Cable and software for RS-232
3. External relay4. AC Adapter