Color: White

Material: ABS Plastic

Measuring Range: 30~130 dBA 35~130 dBC

Accuracy ±1.5dB

Frequency range: 31.5Hz to 8.5K Hz

Resolution 0.1dB

Frequency weighting: A and C

Digital Display4 digits

Analogy bar graph 1dB or 1 bar graph

Sample rate 20 times / second

Microphone1/2inch polarization capacitance microphone

StandardAccording to IEC651 TYPE 2 & ANSIS1.4 TYPE 2

Dynamic range: 50dB/100dB

Level ranges: 30-80dB; 50-100dB; 60-110 dB; 80-130dB

Overload indication OVER / UNDER

AC signal output: 4Vrms/full bar graph, output impedance is about 600 ohm

PWM signal output:Duty cycle=0.01xdb value/3.3 x 100%

Dynamic characteristic:FAST (high speed)/ SLOW(low speed)

Calendar accuracy +-30 seconds/day

Data storage quantity 4700

The maximum value holding MAX

Auto Power Off V (after no operation for 10 minutes)

Level Range Bar Graph V

Range Selection 4 modes

Range Over Indication / Battery Indication V

Backlight Display / Max & Min Hold Function V

External power supply V

Self calibration time: 10 secs(every turn on)

Operating condition Temperature :0-40C ; Humidity: 10% to 80%RH

Storage Condition Temperature: -10 to 60C ; Humidity: 10% to 70% RH

Packing Information

Power 9V battery or DC 9V 100mA

Product Net Weight 147.50G

Product Size 67*30*183mm

Packing Gift box

Standard Quantity Per Carton 12

Standard Carton Size 52*33.5*47cm

Standard Carton Gross Weight 12.84kg

Packing Contents 1PC AR844 1pc user manual 1pc DC cable 1pc Gift box