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Summary of Contents for protech QM1591
- Page 1 Micro Sound Level Meter QM1591 User Manual...
- Page 2 Ⅰ . 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. l Environment conditions Altitude up to 2000 meters Relatively humidity 90% max.
- Page 3 This Sound Level Meter has been designed to meet the measurement requirements of safety Engineers, Health, Industrial safety offices and sound quality control in various environments. Ranges from 40dB to 130dB at frequencies between 31.5Hz and 8 KHz. Display with 0.1dB steps on a 4-digits LCD. With one equivalent weighted sound pressure level A.
- Page 4 Power supply : One 9V battery, 006P or IEC 6F22 or NEDA 1604. Operation temperature : 0 to 40℃(32 to 104 Operation humidity : 10 to 90%RH Storage temperature : -10 to 60℃( 14 to 140 Storage humidity : 10 to 75%RH Dimensions : 210(L)X55(W)X32(H)mm 135g (including battery)
- Page 5 ② MAX/MIN button MAX The max. Hold position is used to measure the maximum level of sounds. The maximum measured level is up dated continuously. Press once again the button, will release the hold and allow a further measurement. ③ Power ON/OFF button Turn the meter power ON/OFF ④...
- Page 6 (2) Battery Replacement When the battery voltage drops below the operating voltage, mark “BAT” appears. If it appears, battery should be replaced with new one. VI. Operating Precautions (1) Wind blowing across the microphone would bring additional extraneous noise. Once using the instrument in the presence of wind, it is a must to mount the windscreen to not pick up undesirable signals.
- Page 7 (3) When MAX/MIN (maximum/minimum hold) mode is chosen. The instrument captures and holds the maximum or minimum noise level for a long period using any of the time weightings and ranges. Turn OFF the instrument and remove and remove battery when not in use. Distributed by: Electus Distribution Pty.
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