Smart Sensor AR844 Digital Sound Level Meter Noise Level Meter with Software 30~130dB 31.5HZ~8.5KHZ

Brand: Graigar

Features:

• AR844 sound level meter can connect with the PC through USB, provides data record downloading, read-time data sampling analysis, and printing graph & data function.
• Auto power off 10 minute；Calendar function
• Both AC and PWM signal output are available；4700 data record function
• Accuracy up to +-1.5dB；Measurement range is 30 to 130dB
• High /low speed rate selection

Part Number: AR844

Details: 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

EAN: 0705419446875