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Summary of Contents for Galaxy Audio CM-130
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Page 2: Table Of Contents
C O N T E N T S TITLE PAGE I. Safety Information…………………………. 1 II. General Description.………………………. 1 III. Specifications……………..………………2-3 IV. Controls………………………………..…. 4-5 V. Calibration Procedures………..………..6 VI. Measurement Preparation……..……….….7 VII. Operating Precautions………..…………… 7 VIII. Measurement……………………………… 7-8... -
Page 3: Safety Information
SOUND LEVEL METER I. Safety Information 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 Altitude up to 2000 meters Relative humidity 90% max. -
Page 4: Specifications
SOUND LEVEL METER III. Specifications Frequency Range: 125Hz to 8KHz Measuring Level Range: 40dB to 130dB Frequency Weighting: Microphone: 1/2 inch electret condenser microphone Display: Digital Display: 4 digit Resolution: 0.5dB Display Update: 2 times/sec. Time Weighting: FAST 125ms SLOW 1 second Level Ranges: Range1:... - Page 5 SOUND LEVEL METER Power Life: Approximately 110 hours (Alkaline Battery) Operation Temperature: 0 to 40℃ ( 32 to 104℉ ) Operation Humidity: 10 to 90% RH Storage Temperature: -10 to 60℃ ( 14 to 140℉ ) Storage Humidity: 10 to 75% RH Dimensions: 9.1”...
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Page 6: Controls
SOUND LEVEL METER IV. Controls 9V BAT TERY NEDA 1604 6F22 006P A / C FAST SLOW OPEN LEVEL 70 dB 90 dB 110 dB 130 dB Microphone ○ 1/2 inch Electret Condenser microphone Display ○ Maximum indication Fast response Low battery indication Slow response Sound Level readout... - Page 7 SOUND LEVEL METER ○ Power Button The ○ button turns the sound level meter ON or OFF. MAX Hold button ○ Press the button to enter the maximum recording mode. Select the proper level range before using MAX to ensure that read value...
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Page 8: Calibration Procedures
SOUND LEVEL METER V. Calibration Procedures Using a standard Acoustic Calibrator (94dB, 1KHz sine wave) Acoustic Calibrator Screwdriver A / C FAST SLOW LEVEL 70 dB 90 dB 110 dB 130 dB (1) Make the following switch settings. Display: dBA Time Weighting: FAST Measurement Mode: MAX Mode function disable. -
Page 9: Measurement Preparation
SOUND LEVEL METER VI . Measurement Preparation (1) Battery Loading Remove the battery cover on the back and install one 9V Battery. (2) Battery Replacement When the battery voltage drops below that required for reliable operation, the low battery symbol will appear, indicating it is time to replace the battery. - Page 10 SOUND LEVEL METER (4) Hold the instrument comfortably in your hand and point the microphone at the suspected noise source. Read the sound pressure level from the display. (5) When MAX (maximum hold) mode is chosen, the instrument captures and holds the maximum noise level values indefinitely.