DIGITAL SOUND LEVEL METER
Model : SL-4010
FEATURES
* Large LCD display, easy to read. * LCD display for low power consumption &
* Charateristic of " A " frequency weighting clear read-out even in bright ambient light
network are designed to meet IEC 61672 class 2. condition.
* " Fast " time weighting characteristic mode. * Used the durable, long-lasting components,
* Build in adj. VR is available for easy including a strong, light weight ABS-plastic
calibration. housing case.
* Condenser microphone for high accuracy & * Small and light weight design allow one hand
long-term stability. operation.
* Hold function to freeze the display value. * Low battery indicator.
* Warning indicator for over and under range. * High quality with economical cost.
SPECIFICATIONS
Display 18 mm ( 0.7" ) LCD ( Liquid Crystal Display ), 3 1/2 digits.
Measurement Range 35 to 130 dB, 3 ranges :
range 1 - 35 to 80 dB, range 2 - 50 to 100 dB, range 3 - 80 to 130 dB,
Each range with warning indicator for over & under load.
Resolution 0.1 dB.
Measurement 31.5 Hz to 8,000 Hz.
Frequency
Frequency Characteristics of " A " frequency weighting network.
Weighting Network The " A weighting " characteristic is simulated as "Human Ear Listing"
response.
Time Weighting Default to " Fast " time weighting characteristics.
" Fast time weighting " is simulated the human ear response character.
Accuracy Characteristics of " A " frequency weighting network meet IEC 61672
(23 ± 5 ℃) class 2.
Under 94 dB input signal, the accuracy are :
31.5 Hz - ± 3.5 dB, 63 Hz - ± 2.5 dB, 125 Hz - ± 2.0 dB
250 Hz - ± 1.9 dB, 500 Hz - ± 1.9 dB, 1 kHz - ± 1.4 dB
2 kHz - ± 2.6 dB, 4 kHz - ± 3.6 dB, 8 kHz - ± 5.6 dB
Calibrator B & K (Bruel & kjaer), multi-fuction acoustic calibrator, model : 4226.
Microphone type Electric condenser microphone.
Size of microphone 1/2 inch standard size.
Calibration VR Build in external calibration VR, easy to calibrate on 94 dB level by screw
driver.
Data Hold Hold function to freeze the display value.
Operating Temp. 0 ℃ to 50 ℃ ( 32 ℉ to 122 ℉ ).
Operating Humidity Less than 80% RH
Power Supply 006P DC 9V battery ( heavy duty type ).
Power Consumption Approx. DC 6 mA.
Dimension 225 x 70 x 28 mm ( 8.9 x 2.8 x 1.1 inch).
Weight 250 g/0.55 LB ( including battery ).
Standard Accessories Instruction Manual ...................... 1 PC.
Optional Accessories 94 dB Sound Calibrator, Model : SC-941.
94 dB/114 dB Sound Calibrator, Model : SC-942.
Sound wind shield ball, Model : SB-01.
Hard carrying case, Model : CA-06.
