Description : Sound pressure level 94 dB, 104 dB, 114 dB
Accuracy ±0.4 dB
Class 2
Frequency 1000 Hz for A, B, C and D frequency weighting
Frequency accuracy ±1.7 %
Stabilization time 10 seconds
Total harmonic distortion <3 %
Environmental conditions
Temperature influences <0.4 dB at 0 ... 40 °C / 32 ... 104 °F
Humidity influences 25 ... 90 % RH
Atmospheric pressure <0.1 dB at 65 ... 108 kPa
Stability at <60 seconds ±0.15 dB
Stability after one year ±0.35 dB
(normal use)
Operating conditions 0 ... 40 °C / 32 ... 104 °F, <25 ... 90 % RH,
non-condensing
Storage conditions -20 ... 50 °C / -4 ... 122 °F, <90 % RH,
non-condensing
Automatic shutdown after 20 minutes
Power supply 2 x 1.5 V AA batteries
Battery life ca. 50 hours
Microphone size 1/2 inch
Dimensions 60 x 130 x 37.5 mm / 2.3 x 5.1 x 1.4"
Weight 400 g / 14.1 oz