AR854 SMART SENSOR

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SMART SENSOR AR854 Sound level meters measure sound pressure level and are commonly used in noise pollution studies for the quantification of almost any noise, but especially for industrial, environmental and aircraft noise.  safety Engineers,Health,Industrial Safety offices and Sound Quality control in various environment

FEATURES:

1. This unit was designed according to following standards:

a. GB /T3785-1983

b. IEC61672-2002 class 2

2. Accuracy up to +-1.5dB

3. Measurement range is 30 to 130dB(ref2x 10Pa)

4. Response frequency: 20Hz~8KHz

5. Reference direction: axial of microphone

6. Frequency weighting: A

7. Time weighting: FAST, SLOW

8. Max function

9. LCD back-light

10.Data HOLD

11. Auto power off

12. AC DC signal output

13. 10000 data record function

14. Connect with the PC through USB socket: data record, download, real-time data sampling, printing graph etc

Brand Name:

SMART SENSOR

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 Display

4 digits

Analogy bar graph

1dB or 1 bar graph

Sample rate

20 times / second

Microphone

1/2inch polarization capacitance microphone

Standard

According 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 Contents

Power

9V battery or DC 9V 100mA

Product Net Weight

147.50G

Product Size

67*30*183mm

Packing

Gift box

Standard Carton Size

52*33.5*47cm

Standard Carton Gross Weight

12.84kg

Packing Contents

1PC AR854 1pc user manual 1pc DC cable 1pc Gift box