York Survey Supply 343090 User manual

Ref:.. \operat98\instructions 19\343090.qxp 17-01-19 ©York Survey Supply Centre 2019
Code: 343090
Operating
Instructions
Mini
Sound Level Meter
the LCD and the current displayed value will be frozen. To return from the held reading, press the
button again.
Max/Min: Press and hold the Max/Min button for at least 3 seconds until “MAX” icon appears on
the LCD to view the current Max reading. To view the current Min reading, press the button again
and the “MIN” icon will appear. To exit the Max/Min mode, press and hold the Max/Min button for 3
seconds.
The meter will conduct measurement and select measurement range automatically.
The measuring level range is from 30dB to 130dB.
Hold the meter in hand or use a tripod to affix the meter in the desired location.
The best measuring distance is 1 to 1.5m away from the sound source to the microphone.
8. Operation Precautions
1) Do not store or operate the meter in areas of high temperature or humidity.
2) Remove the battery when the meter is to be stored for long periods of time to avoid battery
leakage.
3) Wind blowing across the microphone will affect the noise measurement. Use the supplied wind
muffler to cover the microphone during applications involving turbulent air.
4) eep microphone dry and avoid severe vibration.
9. Ca ibration
Repairs, servicing and calibration should only be performed by York Survey Supply Centre. The
recommended calibration period is 1 year.
Prospect House, George Cayley Drive, Clifton Moor, York, England YO30 4XE
Tel: [phone] Fax: [phone]
E-Mail: [e-mail] www.yorksurvey.co.uk
York Surv y Supply C ntr
Fo ow us!
@York_Surv y
@York_Surv y

©York Survey Supply Centre 2019Ref:.. \operat98\instructions 19\343090.qxp 17-01-19
Mini Sound Leve Meter
User Manua
Please read this user manual thoroughly before using this unit and keep it for your future
reference.
1. Safety
Read the following safety information carefully before attempting to operate the meter. Use the
meter only as specified in this manual; otherwise, the warranty may be invalidated.
• Environm nt Conditions:
• Altitude up to 2000 metres
• RH<90% (Non-condensation)
• Operating temperature: -20 ~ 60°C
• Maint nanc :
• Repairs or servicing should only be performed by York Survey Supply Centre.
• Wipe the unit with a dry soft cloth. Do not use abrasives or solvents on this instrument.
Complies with EMC.
2. Introduction
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 factories,
schools, construction sites, etc.
• Complies with IEC61672-1 Class 2 standard
• “A” frequency rating
• Data hold
• Max/Min measured values
3. Specifications
4. Meter Description
5. LCD Disp ay Description
6. Basic Operation
a) Open the battery cover and install a 9 volt battery in the battery compartment.
b) Close the battery compartment
c) When the low battery icon appears, replace the battery.
7. Operation Instructions
1) Backlight & Pow r On/Off Function
Pow r On: To turn the meter on, press the power button for 1 second until the LCD is lit, then
release the button.
Pow r Off: To turn the meter off, press and hold the power button for approx. 3 seconds until the
LCD switches off, then release the button.
Backlight: After turning the meter on, momentarily press the power button and the backlight will
turn on/off. It will automatically turn off after approx. 30 seconds of inactivity.
2) Data Hold & Max/Min Function
Hold: After turning the meter on , momentarily press the Max/Min button, “HOLD” will appear on
Appli d standard IEC61672-1 Class 2 Max hold MAX
Accuracy ±1.4dB Min hold MIN
Fr qu ncy rang 31.5Hz to 8,000Hz Data hold HOLD
M asuring rang 30dB to 130dB Display 3½ digits
Fr qu ncy w ighting dBA Batt ry lif at least 30 hours
Dynamic rang 50dB Op rating conditions -20°C to 60°C
10%RH to 90%RH
Microphon ½” electret condenser Storag conditions -20°C to 60°C
10%RH to 75%RH
Auto pow r off After approx 15
minutes of inactivity Pow r supply 1x 9V PP3 alkaline battery
R solution 0.1dB Dim nsions (LxWxH) 144 x 55 x 38mm
Sampl rat 0.5 sec W ight 90g
ICON FUNCTION
LCD 3½ digits
MAX Max value hold
MIN Min value hold
dBA
“A” frequency weighting (designed to
reflect the response of the human ear
to noise)
HOLD Data hold
Low battery indication