Intelligent digital sound level meter noise test measurement equipment

1. Safety

Read the following safety information carefully before attempting to operate or service the meter.
Use the meter only as specified in this manual; otherwise, the protection provided by the meter may be impaired.
▲ Environment conditions:
1.RH≤90RH％(Non-condensation)
2.Operating temperature:-20～60℃/-4～140℉
▲ Maintenance
1.Repairs or servicing not covered in this manual should only be performed by qualified personnel.
2.Wipe the unit with a dry soft cloth. Do not use abrasives or solvents on this instrument.
▲ Safety Symbol:Comply with EMC

2. 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.

3. Features

• High accuracy, fast response
• Color LCD display with backlight
• Temperature measurement
• MAX,MIN
• Data HOLD
• Wide frequency range
• Fast/slow time weighting
• Over range indication
• Enable/Disable auto power off

4. 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

5. Specification

6. 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

7. 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

8. 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.

10. Accessories:

1. User's manual
2. 3*1.5V AAA Battery
3. Windscreen