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This Digital Sound Noise Level Meter is designed to meet the measurement requirement of safety engineers, health, industrial safety offices and sound quality control in various environments, which include factory, office, traffic, family and audio system.
Able to connect to PC with USB and insert SD card.
Tone years data memory.
Easy to carry, and may log data any time
Suggest using products bring SD card
Recording and downloading noise data (can be saved in Excel and txt format)
Real-time data sampling analysis
Plotted graph and recorded data are printable
Conformed to the IEC651 Type2 and ANSIS1.4 Type2 standards
High accuracy up to ±1.5 dB
Wide measuring range: 30 ~ 130 dB
With 2 equivalent weighted sound pressure levels A and C
FAST / SLOW time weighting selection
Maximum value hold function
OVER and UNDER symbol appeared when the reading is over the upper limit and under the lower limit
Automatic power off when idle for 10 minutes
Bar graph indication for sound level range
Calendar and time display
Date and time of the unit can be synchronized to that of user’s PC
Large LCD screen with 4 digits reading.
With tripod mounting screw at the back for fixing on tripod during field works
Tested compatible with Microsoft Windows XP / Vista / 7 .
LCD display: 4 digits
LCD size: 2.2 inch (55 mm)
Display: 0.5 secretary
Measuring Level: 30 ~ 130 dB(A) (A-weighted decibels), 35 ~ 130 dB(C) (C-weighted decibels)
Accuracy: ±1.5 dB
Frequency Response: 31.5 Hz ~ 8.5 kHz
Resolution: 0.1 dB.
Sound Level: 30 ~ 130 dB with Level selecting button switches:
Level 1: 30 ~ 80 dB
Level 2: 50 ~ 100 dB
Level 3: 60 ~ 110 dB
Level 4: 80 ~ 130 dB
Level 5: 30 ~ 130 dB
Dynamic Range: 50 dB / 100 dB
Overload Indication: OVER / UNDER
Frequency Weighting Characteristic: A / C
Analog Bar Graph: 1 dB / 1 bar graph
Sampling Rate: 20 times / second
PWM Signal Output: duty cycle = 0.01 x dB value x 100% / 3.3
Dynamic Characteristic (Time weighting): FAST(high speed) / SLOW(low speed)
Calendar Accuracy: ±30 seconds / day
The Maximum Value Holding: MAX
Microphone: 0.5 inch polarization capacitance microphone
Power Supply: 4 x 1.5V AA battery (not include) or USB Cable
Power Life: about 30 hours continuous use (alkaline battery)
Operating Temperature: 0 ~ 40 °C (32 ~ 104 °F)
Operating Humidity: 10~80 % R.H.
Dimensions: approx. 256 (L) x 70 (W) x 35 (H) mm (10.1 x 2.8 x 1.4 inch)
Weight: approx. 308 g (without battery).
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