เครื่องบันทึกระดับเสียง Sound Level Meter Data Logger รุ่น SLM-441 ช่วงการวัด 30~130dB ความแม่นยำการวัดเสียง ±1.5dB

Sound Level Meter is expertly crafted to meet the precise needs of noise engineers, quality control specialists, and health safety professionals. Whether you're measuring sound levels in a factory, office, traffic, or at home, this device delivers reliable and accurate results. It's the perfect tool for a wide range of noise measurement applications, ensuring you maintain a safe and compliant environment.

 

Features:

A/C frequency weighting selection

Fast/Slow time weighting selection

Three-color light alarm

MAX/MIN/HOLD Function

Data storage function - 43,000 data record

Data read and delete

Automatic shutdown can set and also shutdown when battery runs out

Data and time display (year-month-day-hour-minute-second)

Line chart with visual noise data changes

Alarm light function (High/Low alarm value)

Green: does not exceed yellow(low)alarm value

Yellow: exceed the yellow(low) alarm value

Red: exceed the red(high) alarm value

USB charging and PC communication compatible with the following OS: Microsoft Win 7, 10 and 11

for data record download

real-time data sampling analysis

printing graph and data function

Standard approval:

International Electrician Committee standard: IEC PUB 651 TYPE2

US national standard: ANSI S1.4 TYPE2

Tripod fixed screw aperture

Type-C interface

 

Specifications:

Calibration sound source: 94dB@1KHz

Measurement range: 30~130dB (A), 35~130dB (C)

Accuracy: ±1.5dB (Reference sound pressure standard, 94dB@1KHz)

Resolution: 0.1dB

Frequency Weighting: A/C

Frequency Response: 31.5~8500Hz

Time-weighting: FAST/SLOW

Sampling rate: FAST- 8 times/second ; SLOW - 1 times/second

Rated current: 70mA

Standby current: 5uA

Power supply: 3.7V lithium battery / 1000mAh

Charging time: 1.5h

Duration of service: 8h

Data storage: 43,000

Microphone: 1/2-inch polarization capacitance microphone

Operating Environment: 0~50°C; 10~80% RH

Dimension: 160 x 56 x 31mm (excluding sponge ball)

Weight: approx. 114gms (excluding sponge ball)

 

Set Includes:

1 x Sound Level Meter

1 x Windproof Sponge ball

1 x USB Cable

English Instruction Manual

Standard factory packaging