SLM-442 Digital Sound Level Meter with Data Logging — 31K-Entry Memory, A/C-Weighted Measurements, Color LCD Display, and Visual Hi/Lo Alarms for Environmental Noise Monitoring

Description

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 various noise measurement applications, ensuring a safe and compliant environment is maintained.

Features:

• Real-time measurement
• A/C Frequency weighting selection
• Fast/Slow time weighting selection
• Three-color light alarm
• High/Low alarm value setting
• MAX / Data HOLD function
• Data storage function (record up to 31,000 data)
• Data read (only on PC) and Delete
• Automatic shutdown after 10min of no operation
• Date and Time display (year-month-day-hour-minute-second)
• USB charging and PC communication are compatible with the following OS: Microsoft Win 7, 10, and 11
  • provide data record and download
  • real-time data sampling and analysis
  • printing graph and data functions
• 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:

• 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: 31,000
• 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. 126gms (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

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