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Koolertron(TM) Digital Sound Pressure Level Meter 30 ~ 130 dB Decibel USB Noise Measurement With SD Memory Card



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LIST PRICE: $579.95

REGULAR PRICE: $369.95

NOV. 23rd 7 HR. SALE: $199.95

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Product Code: KTR-CJ04

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Description

Koolertron(TM) Digital Sound Pressure Level Meter 30 ~ 130 dB Decibel USB Noise Measurement With SD Memory Card

All New 4 Stroke 40cc High Performance Pocket Bike. Honda clone 4 stroke engine, it is quieter and more powerful while being more fuel efficient. It has a dip stick and takes regular car oil. Easy maintenance, easy pulls start, less emissions and no need to mix gas and oil! Just add gas, hop on and ride!

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Package Includes:

1 x Professional Sound Level Meter
1 x Sponge Ball
1 x USB Cable
1 x Software CD
1 x SD memory card(512M)
1 x English Instruction Manual

Features & Specifications:

Able to connect to PC with USB and insert SD card,one years data memory
Recording and downloading noise data (can be saved in Excel and txt format)
Conformed to the IEC651 Type2 and ANSIS1.4 Type2 standards
OVERe and UNDER symbol appared when the reading is over the upper limit and under the lower limit
With tripod mounting screw at the back for fixing on tripod during field works
Plotted graph and recorded data are printable
High accuracy up to ±1.5 dB
With 2 equivalent weighted sound pressure levels A and C
FAST / SLOW time weighting selection
Maximum value hold function
Automatic power off when idle for 10 minutes
Bar graph indication for sound level range
Tested compatible with Microsoft Windows XP / Vista / 7 (32 bit and 64 bits)
LCD display: 4 digits
LCD size: 2.2 inch (55 mm)
Display: 0.5 secretary
Measuring Level: 30 ~ 130 dB(A) Accuracy: ±1.5 dB
Frequency Response: 31.5 Hz ~ 8.5 kHz
Resolution: 0.1 dB
Sound Level: 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
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
Microphone: 0.5 inch polarization capacitance microphone
Power Supply: 4 x 1.5V AA battery (not include)or USB Cable
Power Life: about 20 hours continuous use (alkaline battery)
Operating Temperature: 0 ~ 40 °C (32 ~ 104 °F)
Operating Humidity: ≤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)