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Related Manuals for Galaxy Audio CHECK MATE CM-170
Summary of Contents for Galaxy Audio CHECK MATE CM-170
- Page 1 USER’S MANUAL Data Logger SOUND LEVEL METER www.galaxyaudio.com/products/CM-170...
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Page 3: Table Of Contents
Thank you for choosing the CM-170 Sound Pressure Level Meter. You have joined hundreds of thousands of other satisfied Galaxy customers. Since 1977 Galaxy Audio’s professional experience in design and manufacturing ensure our products’ quality, performance and reliability. For the most up to date manual and information... -
Page 4: Safety Information
Safety Information 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. Environmental Operating Conditions Altitude up to 2000 meters Relative humidity 90% max. -
Page 5: Overview
Described below, are the functions of the front panel control buttons and encoders for the CM-170. Windscreen Range Control Button Display Screen Microphone Power Button AC/DC Signal Output Jack MAX/MIN Button USB Port REC Button Tripod Mounting Thread A/C Button Battery Compartment FAST/SLOW Button... - Page 6 Display Screen: SYMBOL FUNCTION Battery Capacity Indicator Auto Power Off Indicator Maximum/Minimum Indicator Time Weighting Indicator Level Range Indicator Bar Graph Time Frequency Weighting Indicator Level Reading Date Over-Range Signal Indicator Memory Full Recording Data Logger Indicator Under-Range Signal Indicator...
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Page 7: Before Getting Started
Before Getting Started Batteries: Battery Loading: Remove the battery cover on the back and insert four 1.5V AAA sized batteries. Pay attention to the polarity as indicated in the compartment. Note: It is possible to use size AAA rechargeable batteries, but a separate external charger must be provided for such batteries, since the unit is not designed to recharge batteries. -
Page 8: Getting Started
Getting Started Windscreen: When making outdoor measurements, wind noise at the microphone can cause measurement errors. Such effects can be reduced by using the windscreen. Display Screen. Power Button: Press the button to turn the meter on. To turn the unit off, press and hold button down until the screen shows “OFF 3, 2, 1,”... - Page 9 Getting Started Cont. REC Button: When the button is pressed, recording will begin and the “REC” symbol will display. To stop the recording, press the button again. A/C Button: Sets the frequency weighting to A or C. FAST/SLOW Button: Sets the time weighting to Fast or Slow Range Control Button: Each time you press the button, the level range will rotate...
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Page 10: Data Logger & Interval Setup
Data Logger & Interval Setup Data Logger & Interval Setup: How to store data in memory. Auto Store Interval Time Setup: Press and hold “ ” button and then power on the meter. Press INTV ( ) button, “Int” appears for interval, as well as a flashing second display. -
Page 11: Setting The Date & Time
Setting The Date & Time Note: The battery indicator “ ” shows the remaining battery power. The number of black bars decreases as the battery runs out. When the power is almost empty, “ ” will disappear. Pressing the button will cause the LCD display to show the “... -
Page 12: Calibration Procedure
Calibration Procedures and Operating Precautions Calibration Procedures: Press and hold the button and then power on the meter. The LCD will display the “ ” symbol. Insert the microphone housing carefully into the insertion cavity of the calibrator. Press the ) or ) button to increase or decrease the number. -
Page 13: Measurement
Measurement Measurement: Turn the power on and select the desired response Time and Frequency Weighting. If the sound source consists of short bursts or only catching sound peak, set response to FAST. To measure average sound level, use the SLOW setting. For general noise sound level, select A-weighting. - Page 14 Using the PC Software Follow the instructions to finish the installation. It will copy the SE323.exe (executable file) and “help” file to your hard disk (default is :\program files\SE323). For other detailed operation instructions, please refer to the online help while executing the SE323 Software. Main Menu: File: Open - Retrieve files.
- Page 15 Using the PC Software Graph: Tool Bar: - Display or hide Graph Statistic. - Display or hide Line Cursor Statistic. - Normal Cursor. - When selected, the mouse cursor will become an “ X ” sign when moving to the graph. Click on the graph to mark an “ X ” sign on the graph.
- Page 16 Using the PC Software You can choose a rectangle area on the graph to zoom in for detail. There are two vertical lines, “Cursor A” (Blue) and “Cursor B” (Red) in the graph. There are time and value displays on the top and right side of each cursor.
- Page 17 Using the PC Software To Undo Zoom: Click on the “Undo Zoom” button at the top of the window. Data Logger: Example: Connect the Sound Level Pressure meter to the PC. Select “Data Logger” from the main menu drop-down or click from the tool bar to load recorded data from the meter.
- Page 18 Using the PC Software On the right-hand side, set the waveform graph and statistical information of the data set you chose as you refer to the graph. Tutorial - Quick Start to Using the CM-170: Recording Real-Time Data in Waveform: a.
- Page 19 Using the PC Software The text file can be opened by the SE323 software and other word processing programs like word, notepad, etc. The EXCEL formatted file can be opened by the SE323 software and the Microsoft EXCEL program. How to Load the Recorded Data from the Memory of the Sound Level Meter and save it to a file: (Only for the model with Data Logging) a.
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Page 20: Frequently Asked Questions
Frequently Asked Questions Frequently Asked Questions: How can I save the graph to a file which can be used in EXCEL? Answer: When you save a graph to a file, the default file format is (*.ghf). You need to select the file format (*.csv) in order to save as a useable format for EXCEL. -
Page 21: Specifications
Specifications Specifications: SPECIFICATIONS Standard: IEC 61672-1 Class 2, ANSI S1.4 Type 2 Microphone: 1/2" Electret Condenser Microphone Accuracy: ±1.4 dB (under reference conditions, 94 dB @ 1 kHz) Display: Liquid Crystal Display Digital Display: 4 Digits Resolution: 0.1 dB Display Update: 0.5 sec. Analog Display: 30 Segment Bar Graph Resolution 2 dB Display Update: 50 mS... - Page 22 This page intentionally left blank...
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- Page 24 Information can be viewed online at http://www.galaxyaudio.com/support/warranty www.galaxyaudio.com/support/warranty USER’S MANUAL Specifications in this manual are subject to change without notice. For the most up to date manual and information visit www.galaxyaudio.com. 1-800-369-7768 www.galaxyaudio.com © Copyright Galaxy Audio 2016 Printed in Taiwan V20160824...