SHENZHEN XISHEN DEVELOPMENT COMPANLY LIMITED
Shenzhen Xishen Development Co., Ltd.
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Fast Response Intelligent Sound Level Meter With Fast/Slow Time Weighting
Basic Operation
4.1. Open battery cover and install 3*1.5v AAA batteries in the battery compartment.
4.2. Power on；press“ ”to turn on the meter,the meter conducts self-inspection, after LCD displays, it measures temperature and sound level automatically.
4.3. After testing,Press“ ”to turn off the meter
Note: Remove the battery when the meter is to be stored for long periods of time to avoid battery leakage
Features
Application
This unit adopts condenser microphone as the sensor, high configuration MCU calculation, high accuracy, fast response. This Sound Level Meter is designed to meet the measurement requirements of safety Engineers, Health, Industrial safety offices and sound quality control in various environments like factory, school, construction, etc.
Specification
| Applied Standard | IEC61672-1 CLASS2 |
| Measuring level range | 35dB～135dB |
| 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” | |
| Temperature range | -20℃～70℃/-4℉～158℉ |
| Temperature accuracy | ±1.5℃/2.7℉ |
| Resolution | 0.1 |
| Data update | 300ms |
| Battery life | at least 60 hours |
|
Enable/Disable Auto power off |
The meter shuts off automatically after 15 minutes inactivity under auto power off mode, disable auto power off is available |
| Battery | 3*1.5V “AAA” batteries |
| Operating conditions | -20℃～60℃/-4℉～140℉,10RH%～90 RH% |
| Storage conditions | -20℃～60℃/-4℉～140℉,10 RH%～75 RH% |
| Dimensions | 144*56*30.5mm |
| Weight | 73g |
Meter description
1. Windscreen microphone cover
2. LCD Display
3. Hold button
4. Power on/off button
5. MAX/MIN
6. Fast/ Slow selection key
7. Nameplate
8. Battery compartment
LCD display description
1. Data hold Icon
2. Auto power off Icon
3. Temperature readings
4. Sound level readings
5. Fast/Slow Icon
6. Hi/Lo Icon
7. Frequency weighting Icon
8.T emperature unit Icon
9. Low battery Icon
10. MAX/MIN Icon
Notes
1) This meter has already been calibrated before delivery. Do not revise the calibration parameters without professional personnel and device.
【Note】All products are well calibrated before delivery. Recommended recalibration cycle: 1 year..
2) Repairs or servicing not covered in this manual should only be performed by qualified personnel.
3) Wipe the unit with a dry soft cloth periodically. Do not use abrasives or solvents on this instrument.
4) Remove the battery when the meter is to be stored for long periods of time to avoid battery leakage.
5) when the battery is low,LCD display,A new battery is needed.
6) Do not store or operate the meter in high temperature or humidity.
7) Wind blowing across the microphone increases the noise measurement. Use the supplied windscreen to cover the microphone when appliance.
8) Keep microphone dry and avoid severe vibration.
Accessories:
1. User's manual
2. 3*1.5V AAA Battery
3. Windscreen