DSL-330 Digital Sound Level Meter

Product Introduction

Measurement Specification

• Applicable standards : IEC 651 TYPE II
• Display : 4 digits
• Sound Level Range : Low :30~80dB / Middle :50~100dB / High :80~130dB
• Resolution : 0.1 dB
• Frequency Range : 31.5Hz ~ 8KHz
• Accuracy : ±1.5dB ( 94dB @ 1KHz )
• Dynamic Range : 50dB
• Frequency Weighting : A and C
• Time Weighting : (FAST) 125ms，(SLOW) 1Sec.

Product Features

• SAMPLING RATE : 2 times / Sec.
• DATA HOLD : MAX HOLD，MINI HOLD
• OVERLOAD INDICATION : 'OVER','UNDER'
• ANALOG SIGNAL OUTPUT : AC/DC Signal，Output from the headphone
• AC OUTPUT RANGE : AC=1Vrms(Full Scale)，output impedance Approx. 100Ω
• DC OUTPUT RANGE : DC=10mV/dB，output impedance Approx. 1KΩ
• CORRECTION METHOD : Knob correction (Side knob adjustment )

Product Information

• Working Environment : 0~40°C / 10~90%RH without dew。
• Storage Environment : -10~40°C / lower than 80%RH without dew。
• Elevation Limitation : Lower than 1,000 meters
• Microphone : 1/2 inch electric condenser microphone
• Power Supply : DC 9V Battery x1 / 9V transformer (ADP-01) (Optional)
• Battery Life : Approx. 50 hours (Alkaline battery)
• Operation Environment : 0℃~40℃，10%RH~90%RH
• Dimension : 275(L) x64(W) x30(H)mm
• Weight : Approx. 275 g (Battery Included)
• Accessory : Instruction Manual, 9V Battery, Carrying Case、calibration screwdriver, 3.5Ø plug, Sponge ball