Portable 35~130dB,125~8KHz 4 Range Sound Pressure Level meter SL4200

Frequency range: 31.5Hz - 8KHz Measuring range: (30)32dB - 130dB Frequency Weighting: A/C

Microphone: 1/2 inch polarization capacitance microphone

   Digital Display: 4digit LCD

   Resolution: 0.5dB

   Display Update: 2 times/sec

   Time Weighting:

       FAST     125ms

       SLOW     1 second

   Measuring ranges:

       Range 1: (30)32dB - 70dB

       Range 2: 60dB - 100dB

       Range 3: 90dB - 130dB

   Accuracy: ±2dB (reference conditions 94dB@1kHz)

   Dynamic range: 40dB

Overflow indicator:   “OVER” will be displayed when over range, display “OL” when overflow the upper range more than 5dB.

“UNDER” will be displayed when under range, display “LO” when under the lower range more than 5dB or under 30dB.

MAX hold: MAX

   Power: One 9V battery

Battery Life: Approximately 110 hours

   Operation Environment: 0 - 40°C(32 - 104°F)

                      10 - 75%RH

   Storage Environment: -10 - 50°C(14 - 122°F)

10 - 80%RH

   Dimensions:       185(L)*65(W)*35(H)mm

Weight: 150g (including battery)

Accessories: 9V battery, instruction manual