Sound Level Meter

Standard applied

IEC61672-1: 2013 Class 2, ANSI S1.4: 1983 Type 2

Display

4 digital LCD display

Measurement Range

A LO  (Low)  －   Weighting : 35-100dB
A HI   (High)  －   Weighting : 65-130dB
C LO  (Low)   －   Weighting : 35-100dB
C HI   (High)   －   Weighting : 65-130dB

Resolution

0.1dB

Typical instrument Frequency Range

31.5Hz to 8KHz

Accuracy

±1.0dB (ref 94dB @1KHz)

Dynamic Range

65dB

Frequency Weighting

A and C

Time Weighting

Slow and Fast

Maximum Hold

Decay < 1dB/3min, Re-set button

Microphone

1/2 inch Electret condenser microphone

Calibration

Internal oscillation system (1KHz sine Wave general  94dB)

Auxiliary Outputs for Data Recording

AC condition, 0.65Vrms corresponding to each range step, Impedance : ≒ 600Ω

AC condition, 10mV/dB (nominally) Impedance:≒100Ω

Operating Temperature & Humidity

0℃ to 40℃, Below 80%RH

Storage Temperature & Humidity

-10℃ to 60℃, Below 70%RH

Power Supply

One 006P 9V or IEC 6F22 or NEDA 1604 Battery

Battery Life

Approx. 50 hours (Alkaline)

Dimensions

240(L)×68(W)×25(H)mm (9.45”L×2.68”W×0.98”H)

Weight

210g

Accessories

Instruction manual, Battery, Carrying case, Adjustment screwdriver, windscreen.