Digital sound Level data LOgger DSL-331, dB, Noise meter, programmable sound level meter

The DSL-331 is a feature-rich sound level meter designed for accurate and versatile noise measurement. With auto-ranging capabilities, a 32,000 records data logger, bar graph indication, and compatibility with Windows software, it meets diverse sound measurement needs. The device adheres to international standards, offering precise readings with features like fast/slow time weightings, AC/DC signal output, and overload indication. Keywords: DSL-331, Sound Level Meter, Noise Measurement, Auto Ranging, Data Logger, Bar Graph Indication, Windows Software, Fast/Slow Time Weightings, AC/DC Signal Output, Overload Indication, IEC 651 Type II, ANSI S1.4 Type2.

Programmable Sound Level Data-logger

Model Type: DSL-331

Auto Ranging Measurement

30dB to 130dB

Work with Window Software

32,000 Records Data Logger

Bar graph Indication

with Back Light

USB cable .

SPECIFICATIONS:

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, 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 operationGENERALPower 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 : > 30mADCOperation Temperature: 0 to 40 ºC (32 to 104 ºF)Operation Humidity: 10 to 90% RH StorageHumidity: 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 　