Table of Contents
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Summary of Contents for Elma DT173
- Page 1 NOISE LEVEL DATALOGGER Instruction Manual - 1 -...
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Page 2: Safety Information
1. 1. 1. 1. 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： Environment conditions ① Altitude lower than 2000 meters ② Relatively humidity ≤90％RH ③... - Page 3 This unit conforms to the IEC61672-1 CLASS2 for Sound Level Meters. NORM (Normal) & PEAK mode Data manage : STORE，REAL TIME Over range indication A & C Weighting FAST & SLOW response Software Calibrate Manual & Automatic start mode Note: In NORM mode, 20 data will be picked ( one datum per 50ms) and the average value of the 20 data will be stored.
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Page 4: Specification
sampling value is the MAX. in the sampling point of 20 sampling data but not the average. STORE : DataLogger sampling data at sampling point and store it to the datalogger memory REAL TIME : DataLogger sampling data at sampling point than send it to PC by the USB immediately, and the PC software will display the value SPECIFICATION... - Page 5 Power: one 3.6V battery, specs:14250 or 1/2AAA Electric current: when measuring:5.5mA; when periphery power is off or stop measuring:30uA Operation temperature and humidity: 0℃~40℃，10％RH~90％RH Storage temperature and humidity: -10℃~+60℃，10％RH~75％RH Dimension : (5.1 x 1.1 x 0.9″) 130 x 30 x 25mm Weight : 1oz (20g) System requirement : Windows 2000, Windows XP, Vista or Windows 7...
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Page 6: Name Of Parts And Positions
NAME OF PARTS AND POSITIONS ① Green LED ② Red and yellow LED ③ Button LED FLASH INDICATION Single LED flash indication Red LED: The sound level is over the alarm range. ( flash 2 times quickly for high alarm, flash one time for low alarm ) Yellow LED: Memory full or datalogger has manually stopped (10s/time) - 6 -... - Page 7 Green LED: DataLogger normal working indication (cycle time can be setup from the software) Mixed flash: Green Yellow: DataLogger started to measure (automatic mode ) Green LED flash six times in 2 seconds: DataLogger started to measure (manual mode) Green LED flash five times sequential: the datalogger has reset Red LED flash six times in 2 seconds: DataLogger stopped measuring (indication after operation manually stopped) Red and Yellow alternately: downloading the data to PC...
- Page 8 measure after setup from software，LED indicates the function at the same time. (see LED FLASH INDICATION for details.) 4) During measurement, the green LED indicates the working state by flashing with the frequency setup in the software. 5) When datalogger memory is full, it will stop recording and yellow LED will flash 10s/time.
- Page 9 new 1/2AAA 3.6V battery and close the cover. NOTICE Do not store or operate the instrument at high temperature and high humidity environment. When not in use for long periods, please take out the battery to avoid battery leakage and possible damage to the instrument When using the instrument in the presence of wind, it is important to fit the windshield to prevent pickup of...
- Page 10 Install the USB Driver Plug the Datalogger in to the USB port, system will find and install the USB-driver. Select the relevant Driver under the directory which the software installed in the step 3. After Driver installation, “ USB I/O controlled will appear in the Device Manager.
- Page 11 Samp Setup：set the time of the sampling rate.(1 second to 24 hours) Alarm Setup：set the alarm function LED Flash For Hi And Low Alarm： high and low alarm whether the LED should flash or not. LED Flash Cycle Setup：the flash frequency of indicating Manual/Automatic：Manual or Automatic mode dBA/dBC：...
- Page 12 FAST/SLOW： the Response time selection NORM/PEAK： the metrical mode selection STORE/REAL TIME ：data manage Instrument-Download Data NORM MODE: Sound MAX/Sound MIN means the MAX degree or MIN degree of the sampling data. It is the average value of the 20 sampling data. PEAK MAX/PEAK MIN means the MAX or MIN degree of all the measuring values.(not the average value)
- Page 13 PEAK MODE: Sound MAX/Sound MIN means the MAX degree or MIN degree of the 20 sampling data. PEAK MAX/PEAK MIN means the MAX or MIN degree of all the measuring values. A yellow line shows the datalogger is low on battery power. Software Calibrate When ageing microphone or replacement of the microphone leads to incorrect readings, it is possible to alter the software...
- Page 14 "Adjustment Value" is a Single calibration value, range: "-12.5" to "12.5", value “1.0” means “1dB”. If the reading is 0.5dB higher than the correct value, "Ajustment Value" should be set to "-0.5" Click“OK” return“Total calibrated value is -0.5 dB”,calibration over. - 14 -...
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Page 15: Battery Replacement
The range of the total calibrated value is from -12.5dB to 12.5dB. Please view the Help file for specific application of the software. BATTERY REPLACEMENT When the battery is low it should be replaced. Datalogger does not lose its stored readings when the battery is discharged or when the battery is replaced;... - Page 16 WARNING: Handle lithium batteries carefully, observe warnings on battery casing. Dispose of in accordance with local regulations. INSTALLING THE USB DRIVER ON WINDOWS VISTA OR 7 If Windows Vista is unable to locate the driver, select manual install (advanced) and browse to: Computer > CD Drive. The driver will be copied to your computer.
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