MEET Technology MS-931 Quick Start Manual

Sound Level Meter
Model No.: MS-931
Thank you for purchasing MEET sound Meter
1. Contents
- Sound meter
- Operating manual
2. Introductions
This Sound Level Meter is designed to meet the measurement requirements of safety engineers, health,
industrial safety offices and light quality control in various environments like factory, school,
construction stits, etc.
3. Advanced Features
- High accuracy, fast response
- Frequency weighting : A and C
- Fast / slow time weighting
- Analog bar-graph display
- Over range indication
- MAX / MIN record reading
- LCD display with backlight
- Low battery indication
- Hold / Freeze reading
- Enable / Disable auto power off (APO)
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4. Specifications
Display 4 digits color LCD display
Measuring level range 30dB~130dB
Dynamic range
50dB
Frequency range 31.5Hz~8KHz
Accuracy ±1.4dB
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"
Data update 500ms
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 1 x 9V (6F22 / 6LR61 / 1604)
Battery Life ≥ 30 hours
Demensions (L x W x D)
158x62x32
(approx.) mm
Weight (approx.) grams 178
5. Descriptions
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F/S A/C
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Microphone
①
LCD display
②
Frequency weighting A/C
③
selection button
Power ON / OFF button
④
Response time
⑤
selection button
MAX/MIN button
⑥
Range level slection button
⑦
Battery compartment
⑧
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