SL-3113B Sound Level Meter

Features
* Main functions are designed to meet IEC 61672 class 2.
* A weighting networks comply with standards.
* 0.5" standard microphone head.
* Fast time weighting dynamic characteristic modes.
* Auto range.
* Available for external calibration adjustment.
* Condenser microphone for high accuracy & long-term stability.
* Memory function to store the Max. & Min. value.
* Hold functions.
* Operation key used push button.
* LCD display for low power consumption & clear read-out even in bright ambient light condition.
* Using the durable, long-lasting components, including a strong, light weight ABS-plastic housing case.
* Small and light weight design allow one hand operation.

Specification
Display :40 mm x 32 mm LCD (Liquid crystal display)
Function :dB ( A frequency weighting ), Time weighting ( Fast ), Hold, Memory (Max. & Min. ).
Measurement Range :30 - 130 dB.
Resolution :0.1 dB.
Accuracy :* Meet IEC 61672 class 2, tested under Input signal level on 94 dB & frequency range from 31.5 Hz to 8 k Hz
Frequency :31.5 to 8,000 Hz
Microphone type :Electric condenser microphone.
Range selector Microphone size :Auto range : 30 to 130 dB. Out size, 12.7 mm DIA. ( 0.5 inch).
Weighting Network :Characteristics of A.
Time weighting :Fast - t= 200 ms
* "Fast" range is simulated the human ear response time.
* The "Fast" response range are designed to meet IEC 61672 class 2 requirement.
Calibrator :B & K (Bruel & kjaer), MULTIFUCTION ACOUSTIC CALIBRATOR 4226.
Calibration VR :Build in external calibration VR, easy to calibrate on 94 dB level by screw driver.
Operating Temp. :0 to 50 ( 32 to 122 ). к л
Operating Humidity :Less than 80% RH.
Power Supply :DC 9V battery, 006P, MN1604(PP3) or equivalent.
Power Consumption :Battery power : Approx. DC 10 mA.
Dimension :240 x 69 x 38 mm (9.4 x 2.7 x 1.1.5 inch).
Weight :437 g/0.96 LB (including battery).
Accessory Included :Instruction Manual