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Table of Contents
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Summary of Contents for Tenmars TM-104
- Page 1 TM-104 Sound Level Meter User’s Manual HB2TM1040000...
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Page 2: Table Of Contents
Contents: Introduction ............1 Accessories ............1 Safety ..............1 Meter description ..........2 Operation ............3 Disable auto power off ........ 4 Maximum and Minimum hold ...... 4 Data hold ............ 4 94dB Calibration ......... 5 General Specifications ........6 Electrical Specifications: ........ -
Page 3: Introduction
1 Introduction This sound level meter is a digital noise meter auto-shifting function that can be applied to the measurements for both environmental noise and mechanical noise. 2 Accessories Meter User’s Manual 9V battery Carrying case Windscreen 3 Safety Caution! Please refer to this manual. Improper use may damage the meter and its components. -
Page 4: Meter Description
4 Meter description 1.Microphone. 2.LCD display 3.A /C weighting select button. 4.Power button 5.Maximum and Minimum hold button 6.Data hold button. 7.Time weighting select button. 8.Tripod nut. 9.Battery cover. 10.Windscreen. -
Page 5: Operation
5 Operation Press to turn on or turn off. Please select dBA for the measurement of acoustic noise, dBC for the measurement and analysis of mechanical noise, wherein click to switch the modes. Select “FAST” to read the instantaneous noise level, “SLOW”... -
Page 6: Disable Auto Power Off
5.1 Disable auto power off The meter is preset to shutdown automatically after 15-minute inactivity. When powering on, press for 2 seconds to disable the auto shutdown function which can be set to disable or enable as needed. Maximum and Minimum hold Click for less than 1 second to view the maximum and minimum values cyclically, while... -
Page 7: 94Db Calibration
5.4 94dB Calibration Carefully plug the microphone head into the 1/2 inch hole of the standard audio source (94dB, @1KHz sine wave). Turn on the power of the standard audio source (94dB, @1KHz sine wave). Press and hold for more than 1 second and enter the 94dB correction function. -
Page 8: General Specifications
6 General Specifications 4 digital LCD. Frequency weighting: dBA, dBC Time weighting: FAST, SLOW Data hold. Autoranging. Auto power off(default 15 min)and disable auto power off. Maximum and Minimum hold Overloading “OVER” or “UNDER”. ... -
Page 9: Electrical Specifications
7 Electrical Specifications: Environmental conditions at 23°C ± 5°C 1 second Sample rate IEC 61672-1 class 2 IEC651 Type2 Standard applied ANSI1.4 Type2 1/2 inch Electret condenser Microphone microphone. Dynamic Range 50 dB 35 ~ 130 dBA Measuring range 40 ~ 130 dBC Frequency 31.5 Hz ~ 8 KHz response... -
Page 10: Maintenance
8 Maintenance 1. When the When symbol is displayed on the LCD, it means that there is insufficient power; please change the battery immediately in order to ensure its accuracy. 2. Do not place the meter in locations that have high temperature, humidity or that are exposed to direct sunlight. -
Page 11: Disposal
10 Disposal Note: This symbol indicates that the meter and its accessories must be separated and processed properly. - Page 12 TENMARS ELECTRONICS CO., LTD. 6F, NO.586 Ruiguang Rd, Neihu Dist. Taipei City, Taiwan E-mail: service@tenmars.com http://www.tenmars.com...
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