35DB 135DB Sound Level Meter High Configuration MCU Calculation

Brand Name:CHX
Certification:CE, RoHS
Model Number:CHX-SM001
Minimum Order Quantity:10pc
Delivery Time:5-35days
Payment Terms:T/T, Western Union,Paypal,L/C
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Location: Shenzhen Guangdong China
Address: 502, No. 31, Yangmei Road, Bantian Street, Shenzhen, Guangdong, China
Supplier`s last login times: within 47 hours
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Product Details

High Configuration MCU Calculation Intelligent Sound Level Meter 35dB~135dB


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


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 StandardIEC61672-1 CLASS2
Measuring level range35dB~135dB
Dynamic range50dB
Frequency range31.5Hz~8KHz
Accuracy±2.0dB
Frequency weightingA frequency weighting
Time weightingFAST:125ms/ SLOW: 1s
Microphone1/2 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℉
Resolution0.1
Data update300ms
Battery lifeat 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

Battery3*1.5V “AAA” batteries
Operating conditions-20℃~60℃/-4℉~140℉,10RH%~90 RH%
Storage conditions-20℃~60℃/-4℉~140℉,10 RH%~75 RH%
Dimensions144*56*30.5mm
Weight73g

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

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35DB 135DB Sound Level Meter High Configuration MCU Calculation

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