SLM-441 Decibel Meter Datalogger Sound Level Tester Noise Decibel Reader Monitor SPL Meter with 43,000 Data Record, Visual Alarm, A/C Weighted, PC Connection Colored Screen Display for Home, Classroom, Traffic Noise Monitoring etc.

SKU:

$27.90

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
DC output
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)DC output: Output the noise value by voltage mode according to proportion

DC voltage range: 300mV~1300mV
DC voltage error: ±5mV
DC impedance: 120R
DC and noise relationship: Vout=dB x 10 unit: mV (dB: noise value, Vout: DC output voltage)