DSL-335 is a handheld digital sound level meter with a carrying case makes user to carry more conveniently . DSL-335 is suitable for various places. Applicable places: measuring environmental noise, measuring product ultra-quiet, measuring product volume standardization, equipment operating sound, hospitals and confinement centers.
 
Product Introduction
DSL-335 has a digital correction function which is light-weight and easy to carry.
Measurement Specification
Display : 4 digits
Sound Level Range : 30 ~ 130dB
Resolution : 0.1 dB
Frequency Range : 31.5Hz ~ 8KHz
Accuracy : ±1.5dB ( 94dB @ 1KHz )
Frequency Weighting : A
Time Weighting : (FAST) 125ms，(SLOW) 1Sec.
Product Features
DISPLAY MODE : Norma l / Back-light
POWER SAVING FUNTION : Auto power off after 5 mins without operation
DATA HOLD : MAX HOLD，MIN HOLD，Reading Value HOLD
OVERLOAD INDICATOR : “OL” Symbol
LOW BATTERY INDICATOR : Display battery symbol
CORRECTION METHOD : Knob calibration (adjustment hole on the back of the instrument)
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 1.5V Battery (AAA) x3
Dimension : 150(L) x 52 (W) x 27(H)mm
Weight : Approx. 116 g (Battery Included)
Accessory : Instruction Manual、9V Battery、Sponge ball