Feet on microphone sound level meter data logger usb dvm173sd

features

according to IEC 61672-1 Class 2 sound level meters
normal modes or peak
data processing: recording or real-time
out of range indication
frequency weighting in A or C
period of slow / fast response
software calibration function
Manual and automatic start modes

specifications

accuracy: ± 1.4 dB
frequency range: 31.5 Hz to 8 kHz
Dynamic range: 50 dB
measuring range: 30 dB to 130 dB
storage capacity (measuring points): 129,920
sampling rate: 1 s ~ 24 h
frequency weighting: A, C
frequency measurement: Fast (fast, 125 ms), slow (slow, 1 s)
Microphone: electret condenser-type (12.7mm)
plug type: USB
power supply: 1 battery 3.6 V 14250 (LS14250, incl.)
average operation time: 120 hrs
consumption: 7 mA (standby = 30 uA)
operating temperature / humidity: 0-40 ° C (32-104 ° F) / 10 ~ 90% RH
max altitude. service: <2000 m
storage temperature / humidity: -10 - 60 ° C (14-140 ° F) / 10% ~ 75% RH
dimensions: 130 x 30 x 25 mm
weight: 353 g
System requirements: Windows 2000 / XP / Vista / 7 / 8.1
materials required: 8 MB or more memory, 2 MB of free hard drive space, available USB port
Accessories: user's manual, battery, windscreen, CD, transparent cap