An accurate sound level meter for noise measurement.
Product Introduction
DSL-330 has large screen display with analog output function. It can also be connected to an external transformer for power supply.
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