Sound Level Meter  Model:DSL 330 

 

Features


Measuring Range: 30 ~ 130 dB ; High, Med, Low 3 ranges

☆ Frequency Weighting: A, C

☆ 4-Digit Display with updated cycle 0.5s

☆ 0.1dB resolution

☆ Max /Min Hold Function

☆ The standard Fast and Slow Time weightings

☆ AC/DC signal output

☆ Overload condition indication

☆ Auxiliary output jack

☆ IEC 651 Type II, ANSI S1.4 Type2.

☆ Back screw hole tripod connection

☆ Calibration Potentiometer easy to adjust

 

dsl-330 bASIC SPECIFICATION



Specifications :  with CE approval

Standard Applied:

IEC651 Type 2, ANSI S1.4 Type 2

Frequency Range

31.5Hz ~ 8KHz

Measuring Level Range

30 ~ 130dB

Frequency Weighting

 A/C

Microphone

1/2 inch electric  condenser microphone

Display

LCD Back Light Function

Digital Display

4 digits ,    Resolution: 0.1dB,    Display Update: 0.5 sec

Analog Display

50 segment Bar graph, Resolution, Resolution: 1dB, Display update: 50mS

Time Weighting

FAST (125mS); SLOW(1 Sec)

LEVEL Range

Lo: 30 ~ 80dB ; Med: 50~ 100dB, Hi: 80~ 130dB;      Auto Range : 30~ 130 dB

Accuracy

±1.5dB (under reference condition at 94dB 1KHz)

Measuring Level Range

30 ~ 130dB

Dynamic Range

100 dB

Over and Under range Indication Function

"OVER" is displayed, while input is more than upper limit of range. ; " UNDER" is displayed, while input is less than lower limit of range.

MAX/MIN Hold

 Hold Reading the Maximum and Minimum Value 

AC Output

1V rms at FS (Full Scale),                                           output impedance :      Approx. 100 Ω 

DC Output

10mV/dB, Output impedance approx. 1K Ω 

Auto Power Off 30 minutes if no operation

  

 

 

GENERAL



 

GENERAL

 

Power Requirement:

One piece 9V battery NEDA 1604

Power Life

About 50 Hours (Alkaline battery)

AC Adapter (option)

Voltage 9VDC (8~ 15 V DC Max) ; Supply current : > 30mADC

Operation Temperature

0 to 40 ºC (32 to 104 ºF)

Operation Humidity

10 to 90% RH

Storage Humidity

10 to 75% RH

Weight:

10 oz(285g)

Accessories:

9V battery, Carrying case, calibration screwdriver , 3.5Ø plug,  windscreen and owners manual.

Tripod Connection Hole Able to connect Camera Tripot Stand 

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       Download Manual