Measurement Specification
Display : 4 digits
Sound Level Range : Low : 35 to 95dB / High : 65 to 130dB
Resolution : 0.1 dB
Frequency Range : 31.5 ~8K Hz
Accuracy : ±1.0dB (94dB @ 1KHz)
Dynamic Range : 65dB
Frequency Weighting : A and C
Time Weighting : (FAST) 125ms，(SLOW) 1Sec.
Product Features
DATA HOLD : MAX HOLD，MIN HOLD
OVERLOAD INDICATION : “OVER”，”UNDER”
ANALOG SIGNAL OUTPUT : AC/DC Signal，Output from the headphone
AC OUTPUT RANGE : AC=0.65Vrms(Full Scale)，output impedance Approx. 5KΩ
DC OUTPUT RANGE : DC=10mV/dB，output impedance Approx. 5KΩ
CORRECTION METHOD : Knob correction (Panel button "CAL" control)
Product Information
Operating Environment : 0 to 40 °C / 10 to 90 %RH without dew。
Storage Environment : -10 to 40 °C / lower than 80 %RH without dew。
Elevation Limitation : Lower than 1,000 meters
Applicable standards : IEC 61672-1: 2013 Class 2, ANSI S1.4: 1983 Type 2
Microphone : 1/2 inch electric condenser microphone
Power : DC 9V Battery x1
Dimension : 240 (L) x 68 (W) x 25 (H)mm
Weight : Approx. 215 g (Battery Included)
Accessory : Instruction Manual, 9V Battery, Carrying Case、calibration screwdriver, 3.5Ø plug, Sponge ball