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Related Manuals for CRYSOUND CRY2830 Series
Summary of Contents for CRYSOUND CRY2830 Series
- Page 1 CRY2830 Series Sound Level Meter User Manual...
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Page 2: Warranty Statement
Warranty Statement We proudly offer a one-year warranty on the CRY2830 Series Sound Level Meter device, ensuring it meets the highest standards of quality and performance. This warranty covers defects in materials and workmanship under normal use. Coverage Details: • Warranty Period: One year from the date of purchase. - Page 3 Contact us Hangzhou Headquarters Tel: 0571-88225198, 0571-88225128 E-mail: info@crysound.com Add: No.10, XianqiaoRoad, ZhongtaiStreet, YuhangDistrict, Hangzhou, Zhejiang Province,China Web: www.crysound.com Houston Office Add: 13777 Stafford Point Dr, Stafford, TX 77477, US Tel: +001-877-215-7752...
- Page 4 Use the product only for its intended purpose. Unauthorized opening of the unit will void the warranty.Contact CRYSOUND for more information. Stop using the device if it malfunctions or heats up abnormally. Please contact the manufacturer for equipment repair work.
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Page 5: Table Of Contents
Catalog 1 Introduction ......................7 1.1 About This Manual ..................7 1.2 About the CRY2830 Series ..............7 2 Technical Specifications ..................8 3 Instructions For Use ...................10 3.1 Preparations ....................10 3.2 Power on ...................... 11 3.3 Setup ......................12 3.3.1 Display Settings ................12 3.3.2 Storage .................... - Page 6 Appendix C: CRY333 Typical Frequency Response (0° Incidence Angle) .. 23 Appendix D: Firmware Upgrade ................24...
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Page 7: Introduction
1 Introduction 1.1 About This Manual This user manual describes the CRY2830 Series Sound Level Meter and is divided into the following sections: Introduction Technical Specifications Instructions For Use Appendix 1.2 About the CRY2830 Series CRY2830 Series sound level meters meet the stringent requirements of Class 1 and Class 2 ensuring accurate and reliable acoustic measurements. -
Page 8: Technical Specifications
2 Technical Specifications Technical Specifications Type CRY2834 CRY2833 CRY331( -28±2dBV/Pa） CRY333( -26±2dBV/Pa） Microphone Pre-amplifier CRY2830PA-1 Linear range 25-140dBA Time weighting F, S, I Frequency weighting A, C, Z Sampling rate 48kHz A/D resolution 24-bit Frequency range 20Hz-12.5kHz 10Hz-20kHz Applicable standards IEC 61672-1:2013 Accuracy Class 2... - Page 9 temperature range Humidity range ≤90% RH Weight 330g Size L*W*H=249x76x30.5mm Operation Button...
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Page 10: Instructions For Use
3 Instructions For Use Power key Back key Power on: Tap to start the SLM. Return to the previous Power off: After pressing 5s, the device menu. will automatically shut down. Arrow keys Four directions to move the cursor selection. Confirm key Recording key Press to select the interface aggregation... -
Page 11: Power On
2) Check whether the battery is sufficiently charged. 3) If necessary, use a sound calibrator to calibrate the sound level meter before using. 4) The sound level meter should be regularly (e.g., once a year) sent to a calibration department for verification to ensure its accuracy. 3.2 Power on 1) Before official use, install four new AA batteries to ensure the device operates normally during measurements. -
Page 12: Setup
3.3 Setup From the main interface screen, simply press the "Confirm" button to enter the "Setup" screen. The Setup screen provides access to display settings, storage, date & time, language settings and device information. 3.3.1 Display Settings In the "Display Settings," users can adjust the screen brightness using the left and right buttons, and set the screen timeout below. -
Page 13: Storage
device defaults to 50% brightness and does not automatically turn off the screen. 3.3.2 Storage Users can view the TF card usage status on this screen. 3.3.3 Date& Time In this interface, users can manually set the time according to the specified format. -
Page 14: Calibration
3.4 Calibration Users can click "Calibration" to enter the "Calibration" app. The "Calibration" interface displays the current sound pressure level and the microphone sensitivity. Users can set the microphone model, and the corresponding free-field correction value will change accordingly, with CRY2832 defaulting to the CRY331 sensor and CRY2833 defaulting to the CRY333 sensor. -
Page 15: Measurement Parameters Table
3.5 Measurement Parameters Table Parameters SLM(Basic) Statistics 1/1 OCT Lp, Lmax, ■ ■ ■ Lpeak ■ ■ Leq, Lmin Ln(n=5、10、 ■ 50、90、 95),SD ■ 1/1 OCT 3.6 Use of the Testing App The use of the SLM and statistics app on the sound level meter is quite similar. - Page 16 The third interface is the curve mode. When the test begins, the device will automatically plot the curves of LAeq, LCpeak, LAFmax, displaying the value changes for up to the past 30 seconds. Users can click the "Test" button to start testing. During the test, a long press on the "Test"...
- Page 17 printing methods. In the "Test Mode" settings, users can select from "Auto" , "Custom" , "Timing", "Trigger", and "Delay" test modes. The meanings of each test mode are as follows: ① Auto: Test duration, test interval and repetition times can be set. After pressing the start measurement button, the test will be conducted according to the set test parameters and stored automatically.
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Page 18: Data
3.6.2 Data Users can click on "Data" to enter the data viewing list. When the TF card is inserted, the test data will be automatically saved to the TF card. Users can find the corresponding test data files based on the test time, and click to review the data . This feature only supports viewing the last second of data for all data displayed in the list. -
Page 19: Printer
This device supports two recording modes: automatic(auto) and triggered. Below is an explanation of the two recording modes: Auto: Start recording as soon as you start the test, no need to set the recording duration. Trigger: you can set the recording duration as needed, when the LAF reaches the set threshold, it will automatically start recording, and the test time will be the recording duration set by the user. -
Page 20: Use Of The 1/1 Oct App
3.7 Use of the 1/1 OCT App 1/1 OCT measurement operation is similar to total value integration and can refer to 3.6. Below is an introduction to the interface display. 3.7.1 Parameter Interface As shown in the figure, this is the display interface for the 1/1 octave band. -
Page 21: Appendix A: Table Of Measured Values
Appendix A: Table of Measured Values Measured Values Sound pressure level Equivalent continuous sound level Lmax Maximum sound level Lmin Minimum sound level Lpeak Peak sound level Percentile sound level For CRY2833, the accuracy of LN is 0.2 dB and it only supports simultaneous calculations for one type of weighting among A, C, and Z. -
Page 22: Incident Directions
Appendix B: Free Field Response of The Sound Level Meter At Different Incident Directions... - Page 23 Appendix C: CRY333 Typical Frequency Response (0° Incidence Angle)
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Page 24: Appendix D: Firmware Upgrade
Appendix D: Firmware Upgrade 1- Remove the TF card and connect it to the computer, then place the update folder in the root directory of the TF card. 2- Insert the TF card back into the device, power it on. 3- Go to Settings - About - Upgrade interface.
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