Amittari AS-156B Sound Level Meter (Lp, Leq, LN)

Display: LCD with Backlight

Parameters Measured: Lp (Sound Level); Lmax (Maximum Sound Level); Leq (Equivalent Continuous A Sound Level); LN (Percent Of All Readings Over Alarm Value Set)

Measurement Range - Lp: 30~130dB (A); 35~130dB (C); 35~130dB (F)

Measurement Range - Leq: 30~130dB (10s, 1min, 5min, 10min, 15min, 30min, 1hour, 8hour, 24hour)

Measurement Range - LN: 0~100%

Resolution: 0.1dB

Accuracy: ±1dB

Frequency Weighting: "A", "C", "F" (Flat)

Time Weighting: Fast (125ms), Slow (1 second)

Microphone: 1/2 inch Electret Condenser Type

Memory: 30 Groups With Measuring Conditions

Built In Calibration Signal: Built In Calibration Signal

Frequency Range: 20 to 8,000Hz

Alarm Value Set: 30~130dB

Power Supply: 4x1.5V AAA UM-4 Battery

Size: 171 x 70 x 31mm (6.7 x 2.8 x 1.2")

Weight (Without Battery): 145g (5.11oz)

Standard Accessories: Main Unit; Windscreen; Carrying Case; Operation Manual

Optional Accessories: Sound Level Meter Calibrator; USB Cable & Software (See Page 2); Bluetooth Adapter & Software (See Page 2)

Datasheet