| Model | RT-911A |
| Measuring Range | 35dB~135dB |
| Accuracy | ±2.0dB |
| Frequency Range | 31.5Hz~8KHz |
| Frequency Weighting | dBA |
| Dynamic Range | 50dB |
| Time weighting | Fast:125ms/ Slow:1s |
| Temperature Range | -20oC`70oC/-4CF`158oF |
| Temperature Accuracy | ±1.5ºC/2.7ºF |
| Temperature Resolution | 0.1 |
| Microphone | 1/2 inch electrets condenser microphone |
| High/Low reading indication | LCD displays Hi(„100db),LCD displays LO(ƒ100db) |
| Microphone | 1/2 inch electrets condenser microphone |
| Operating Conditions | -20~60ºC/-4ºF~140ºF;10%RH ~90%RH |
| Storage Conditions | -20~60ºC/-4ºF~140ºF;10%RH ~75%RH |
| Power Supply | 3*1.5V “AAA” batteries |
| Battery Life | Over 60 hours |
| Dimension(L*W*H) | 144*56*30.5mm |
| Weight | 73g |
| Measuring Range | Lo:30~80dB; Med: 50~100dB: |
| Hi:80~130dB; Auto: 30~130dB: | |
| Accuracy | ±1.4dB |
| Dynamic Range | 31.5Hz~8kHz |
| Frequency weighting | A&C |
| Time weighting | FAST 125ms; SLOW (1s) |
| Sampling Rate | 2 Times/Second |
| Microphone | ½ inch electric condenser microphone |
| Operating Conditions | -20º~60ºC/-4º~140ºF;<90%RH (Non-condansation) |
| Storage Condition | -30º~70ºC/-22º~158ºF;<75%RH |
| Dimension (L*W*H*) | 189*62*33*mm |
| Weight | 178g |
Our Digital Decibel Meters deliver precise sound pressure level (SPL) measurements, ensuring reliable results for noise assessments, workplace safety audits, and environmental monitoring.
Designed to measure a broad spectrum of sound levels, our instruments are suitable for quiet indoor environments as well as high-noise industrial settings.
The large LCD display offers clear visibility of readings, making it easy to monitor sound levels in any working environment.
Our instruments provide instant readings, enabling users to quickly identify excessive noise levels and take corrective action.
Manufactured using premium-quality materials, our meters are built to withstand demanding industrial and commercial environments.
We offer comprehensive support, including product selection assistance, calibration guidance, technical consultation, and after-sales service.
A Digital Decibel Meter is an electronic instrument used to measure sound pressure levels (SPL) and noise intensity in decibels (dB). It helps monitor and assess noise levels in various environments.
Most Digital Decibel Meters measure sound levels from approximately 30 dB to 130 dB, depending on the model.
Yes. Digital Decibel Meters are frequently used to monitor noise generated by motors, generators, compressors, pumps, and industrial machinery.
The Data Hold feature freezes the current measurement on the display, making it easier to record readings.
This function records the highest and lowest sound levels measured during a monitoring session.
Many advanced models include data logging, memory storage, USB connectivity, or software integration for data analysis and reporting.
A sound calibrator is a reference device used to verify and adjust the accuracy of a Decibel Meter before measurements are taken.
Yes. Many models are suitable for outdoor use. A windscreen is often recommended to reduce wind-induced measurement errors.