REED INSTRUMENTS R8080 Sound Level Meter,USB,30 to 130 dB Range

REED R8080 Specifications
Measuring Ranges : 30-130 dB ; Low: 30-90dB ; Med: 50 -110 dB ; High: 70 -130 dB ; Full: 30-130 dB
Dynamic Range : 60 dB (in each range)
Accuracy : ±1.4 dB
Resolution : Digital: 0.1 dB ; Analog: 2dB
Response Time : Digital: 500ms ; Analog: 50ms
Frequency Range : 20 Hz to 8 kHz
Frequency Weighting : A, C
Time Weighting : Fast/Slow (125ms and 1s)
Microphone : 0.5" (12.7mm) electret condenser
Digital Analog Bargraph : Yes (30 segment)
Display : 4-digit LCD
Backlit Display : Yes
Min : Yes
Max : Yes
Alarm Indicators : Under and Over (visual on-screen)
Datalogging Capabilities : Yes
Real-Time Clock and Date Stamp : Yes
Selectable Sampling Rate : Yes (between 1s and 60s)
Internal Memory : 1mb (64,000 datapoints)
Auto Shut-off : Yes (after 30 mins/off)
Tripod Mountable : Yes
Low Battery Indicator : Yes
Power Supply : 4 x AAA batteries
Output : Yes (AC/DC)
Battery Life : Approx 50 hours
PC Connectivity : USB
Software OS Compatibility : Windows XP / Vista / 7 / 8 / 10 / 11
Product Certifications : CE, IEC 61672-1 Class 2, ANSI S1.4 Type 2
Operating Temperature : 32 to 104°F (0 to 40°C)
Storage Temperature : 14 to 140°F (-10 to 60°C)
Operating Humidity Range : 10-90%
Dimensions : 10.4 x 2.5 x 1" (264 x 63 x 29mm)
Weight : 8.8oz (245g)