Radio Shack MICRO-33 Manual do Proprietário

Owner’s ManualPlease read before using this equipment.Digital Sound Level Meter

10Making MeasurementsRANGE to OFF, the meter automaticallysets the response for fast.At the fast setting, the meter revises thebargraph reading after

11Making MeasurementsSound Range” on Page 7 and “LevelIndications” on Page 12.)2. Set the weighting and response. (See“Setting the Weighting” on Page

12Making MeasurementsMAKING MAXIMUM MEASUREMENTSTo measure the continuous maximumsound level, follow the steps in “MakingNormal Measurements” on Page

13Making MeasurementsThe bargraph’s center point representsthe center level of the selected range (60dB, 70 dB, 80 dB, and so on).The points to the le

14Making Measurementsdisappears. If this happens, select a lowerrange.Overrange IndicationWhen the measured sound level is higherthan the highest soun

15Making MeasurementsIf you get an overrange indication, changethe range setting until you get a reading inthe upper half of the range (0 to + 10 dB).

16Making MeasurementsPress MAX to freeze the current maximummeasurement if the last average mea-surement (without MAX) is on the display.Press MAX aga

17Making Measurementsmum, and the minimum sound levels dur-ing the set time period.1. Press DH for about 2 seconds duringa continuous average or maxim

18Making Measurementsmeter displays the total integrated aver-age sound level.Press MAX to display the maximum soundlevel for the set time. Press MAX

19Making MeasurementsYou must repeat the procedure for makingan integrated average measurement.MAKING MAXIMUM AND MINIMUM MEASUREMENTS DURING AN UNDET

2ˆContentsFeatures ... 3Installing the Battery ... 5Making Measurements ...

20Making MeasurementsPress RESET after you check the maxi-mum or minimum sound level. The meterresumes a normal continuous average ormaximum measureme

21CareAttempting to calibrate the meter yourselfmight result in inaccurate measurements.ˆCareYour RadioShack Digital Sound LevelMeter is an example of

22Specifications• Wipe the meter with a damp clothoccasionally to keep the meter look-ing new. Do not use harsh chemicals,cleaning solvents, or strong

23SpecificationsOperating Temperature...32 °F to 122 °FStorage Temperature... -40 °F to 149 °FDimensions (HxWxD).. 6 ¼ × 2 ½ ×

09A00 811023970E33-2055 Printed in ChinaALimited Ninety-Day WarrantyThis product is warranted by RadioShack against manufacturing defectsin material a

3FeaturesˆFeaturesYour new RadioShack Digital Sound Lev-el Meter precisely measures area noiseand other sound levels. The meter’s digitaldesign and sp

4FeaturesWide Sound-Measuring Abilities —measures from 50 dB to 126 dB SPL withseven ranges.Average or Maximum Sound Level Dis-play — continuously sho

5Installing the BatteryPeak Level Indication — shows youwhen the meter registers the maximumlevel measurement on the bargraph.Reset Button — lets you

6Installing the Battery1. Set RANGE to OFF.2. Remove the bat-tery compartmentcover by pressingin both sides and lifting off the cover.3. Install the b

7Making MeasurementsReplace the battery with a fresh oneof the same type.ˆMaking MeasurementsSETTING THE SOUND RANGEThe meter can measure sound levels

8Making MeasurementsSet RANGE for the approximate sound lev-el you want to measure. If you do notknow the sound level, start with the high-est range s

9Making Measurements500-to-10,000 Hz range, which is the hu-man ear’s most sensitive range. Select A-weighting to determine an area’s noise-level. Tak