11in WiFi רמת צליל צג צג LED תצוגת צג צליל לחות טמפרטורה לחות צג צליל 30-130dB

מאפיינים מוצהרים

Item Type:

Sound Level Meter

Material:

ABS

Display Method:

LED Screen

Atmospheric Pressure:

12.5PSI-15.4PSI

Sampling Time:

0.3S

Detection Temperature Range:

-10-+50℃, ±1.0℃ accuracy

Storage Temperature:

-10 - 60℃

Operating Environment Or Storage Humidity:

10% - 80%

Detection Humidity Range:

20% - 85% (Accuracy

Charge:

1000mA 5VDC

Battery:

1 X 18650 2000 MAh (Shipped With Built-In Battery)

Unit:

DBA

Measurement Range:

30 - 130dBA

Accuracy:

±1.5dBA

Frequency Range:

50Hz-8.5kHz

Frequency Weighting:

A

Screen Display:

0.1 DBA

Sound Meter Level (Unit DB).:

Green 1:

55.0 Or Less

Green 2:

65.0-55.0

Orange 1:

75.0-65.0

Orange 2:

85.0-75.0

Red1:

95.0-85.0

Red 2:

95.0 Or More

Level Of Temperature Icons (Unit ℃).:

Green:

20-30

Orange:

Below 20

Red:

Above 30℃

How to Use:

Take out the product, install it and use it.:

Package List:

1 x Sound Level Meter:

2 x Instruction Manual:

1 x USB Cable:

1 x Installation Sticker:

2 x Screws:

2 x Expansion Screws: