MEET Technology MS-911 Quick Start Manual

Mini Sound Meter With Temperature
Model No.: MS-911
Thank you for purchasing MEET Mini sound Meter

1. Contents

- Sound meter
- Operating manual

2. Descriptions

This unit use condenser microphone as the sensor, high configuration MCU calculation, high
accuracy, fast response. This Sound Level Meter is designed to meet the measuremet requirements
of safety engineers, health, industrial safety offices and sound quality control in various environments
like factory, school, construction sites, etc.

3. Advanced Features

- High accuracy, fast response
- Temperature measurement
- Wide frequency range
- Color LCD display with backlight
- Fast / slow time weighting
- Over range indication
- MAX / MIN record reading
- Enable / Disable auto power off (APO)
- Low battery indication
- Hold / Freeze reading
1

4. Specifications

Display 4 digits color LCD display
35dB~135dB
Measuring level range
Dynamic range
50dB
Frequency range 31.5Hz~8KHz
Accuracy ±2.0dB
Frequency weighting A frequency weighting
Time weighting FAST : 125ms / SLOW : 1s
Microphone 1/2 inch electrets condenser microphone
High / low reading indication >100dB, LCD displays "Hi" ; <100dB,LCD displays "LO"
Range (Temp.) -20ºC ~ 70ºC / 4ºF ~ 158ºF
Accuracy (Temp.) ±1.5ºC / 2.7ºF
Data update 0.3s
Resolution 0.1
The meter shuts off automatically after 15 minutes inactivity
Enable / Disable Auto power off
under auto power off mode, disable auto power off is available
Applied Standard IEC61672-1 CLASS2
Operating Condition -20ºC ~ 60ºC / -4ºF ~ 140ºF; 10% RH ~ 90% RH
Storage Condition -30ºC ~ 60ºC / -4ºF ~ 140ºF; 10% RH ~ 75% RH
Battery Powered / Battery Life 3 x AAA (R03 / LR03) / > 60 hours
Demensions (L x W x D) mm
145x57x31
(approx.)
Weight (approx.) grams
75
5. Descriptions
1
2
3
7
4 HOLD
5
6
① Windscreen microphone cover
② LCD display
③ Hold button
Power ON/OFF button
④
⑤ MAX/MIN button
⑥ Fast/ Slow selection button
Battery compartment
⑥
2