Decibel Meter 840012 - Sper Scientific

SKU: 840012 Brand: Sper Scientific, USA Origin: Taiwan

Rating: No reviews yet

Detachable sensor, 0.9m long cable.
Measurement range 30 dB - 130 dB.
2 measurement modes: dBA and dBC.
AC output.
Min/Max/Hold/Fast/Slow/ Max hold/AC output.
Auto range switching.
Measure noise in bars, karaoke,residential areas...
Check soundproof rooms, engine noise, sirens...

15.152.400đ

Backorder Stock: 0

Quantity

Introduction

Decibel Meter 840012 - Sper Scientific is a professional noise measurement device, designed compactly for easy portability and use in various environments. With a detachable sensor cable of 0.9m, it accurately measures sound intensity from 30 dB to 130 dB, providing fast and stable response.

This device is suitable for environmental engineers, soundproofing contractors, regulatory agencies controlling residential noise, and noise measurement applications in bars, karaoke rooms, soundproof rooms, engines, alarm sirens, etc.

The 840012 decibel meter fully complies with IEC 61672:2013 and ANSI S1.4:2014 standards, ensuring high accuracy and reliability in operation.

Features of Decibel Meter 840012 - Sper Scientific

Compact design, lightweight, easy to carry and transport.
Detachable sensor with 0.9m cable for flexible measurement in hard-to-reach locations.
Measurement modes with two sound weightings dBA and dBC, conforming to noise measurement standards.
Automatic range switching from 30 dB to 130 dB, or manual range selection.
Multi-information LCD screen displaying current reading, Max, Min values, and battery status.
Hold function allows freezing the measurement value while moving the device.
Selectable response time: Fast or Slow according to measurement needs.
Automatic power off after 10 minutes of inactivity to save battery.
High accuracy ±1.0 dB, compliant with international standards IEC 61672:2013 and ANSI S1.4:2014.
Supports AC output 0.5 Vrms corresponding to each range, convenient for connection to other devices.

Applications

Noise monitoring and inspection in residential areas to ensure compliance with state noise regulations.
Evaluation of soundproofing effectiveness in karaoke rooms, bars, nightclubs, and recording studios.
Checking noise emitted from engines, machinery, sirens, industrial equipment.
Assisting authorities in handling noise complaints.
Environmental research, noise measurement at construction sites and industrial zones.

Technical Specifications - Decibel Meter 840012 Sper Scientific

Measurement range: 30 dB – 130 dB.
Resolution: 0.1 dB.
Accuracy: ±1.0 dB.
Measurement functions: dBA, dBC, Max, Min, Hold, Fast, Slow, Max hold, AC output.
Manual range selection: 30 ~ 80 dB | 50 ~ 100 dB | 80 ~ 130 dB.
Auto range: 30 ~ 130 dB.
Microphone: Electret condenser microphone, 12.7 mm (5”) diameter.
Output signal: AC output AC 0.5 Vrms.
Frequency response: 31.5 Hz – 8 kHz.
Response time: Fast 200 ms, Slow 500 ms.
Device dimensions: 268 x 68 x 29 mm.
Weight with battery: 225 g.
Power supply: 1 x 9V battery.
Current consumption: approx. 6 mA DC.
Display: LCD 52 x 32 mm.
Operating temperature: 0°C – +50°C.
Operating humidity: <80 %RH.

Package Contents

1 genuine Sper Scientific, USA 840012 meter.
1 sensor windscreen.
1 calibration screwdriver.
1 disposable 9V battery.
1 detailed user manual.
1 convenient carrying case for meter and accessories.
1 genuine 12-month warranty card from Le Quoc Equipment.

Warranty 12 months

Keywords

decibel meter noise meter sound level meter Sper Scientific 840012 noise measurement device residential noise measurement sound meter decibel measuring device