Ⅰ Ⅰ Ⅰ Ⅰ . FOR SAFETY 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 Operation temperature : –10°C to +50°C Operation humidity : 30% to 90%RH (non-condensing)
Protect the meter away from air with high salt or sulphur Ⅳ Ⅳ Ⅳ Ⅳ . PARAMETERS content, gases and stored chemicals. The following parameters are used on the meter. Always turn the unit off after use. Remove the battery : “A”...
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Noise floor A weighting : 30dB or less Warning indications Over-range indication C weighting : 32dB or less displayed at upper limit of the range Linearity range : 60dB displayed at lower limit of the range Reference level range : 60 to 120dB Reference sound pressure level : 94dB Outputs Calibration check frequency : 1KHz...
6. MAX key : Ⅵ Ⅵ Ⅵ Ⅵ . CONTROLS AND FUNCTIONS This key is used for reading the measurement results. Press MAX key to select maximum, minimum or current readings with elapsed time. Use to tests of time weighting characteristics Fast and Slow. Press MAX key 5 seconds, the “max”...
Ⅶ Ⅶ Ⅶ Ⅶ Ⅷ Ⅷ Ⅷ Ⅷ . LCD DISPLAY DESCRIPTION . PREPARATION Power Supply The meter can be powered by one 9V battery or by the specified optional AC adaptor (DC 9V). Before inserting or replacing the battery and before connecting the AC adaptor, be sure to turn off the meter.
Ⅸ Ⅸ Ⅸ Ⅸ Ⅹ Ⅹ Ⅹ Ⅹ . CALIBRATION PROCEDURES . MEASUREMENT 10-1 When using this meter, all processing functions provided Acoustic Calibration with sound calibrator TES-1356 by the meter are carried out simultaneously. example, when sound level measurement is selected, the maximum sound level are also determined.
If an over-range or under-range condition has occurred at 3. To clean the memory least once during measurement the “ OV ” or “ UN ” Press “ ” key to turn-off the meter. indication is shown on the display, to indicate that over- Press and hold down “MEM”...
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