Pocket type
SOUND LEVEL METER
Model : SL-4030
FEATURES
* Large LCD display, easy to read. Microphone size Out size, 12.7 mm Dia. ( 0.5 inch).
* Time weighting and frequency weighting meet , Weighting Characteristics of A & C.
IEC 61672 class 2. Network
* A & C weighting networks are conformity to standards. Range selector 3 ranges ( 30 to 80 dB, 50 to 100 dB,
* 0.5" standard out size of the microphone. 80 to 130 dB ).
* Time weighting (Fast & Slow) dynamic characteristic * 50 dB on each step,
modes. * with over / under range indicating.
* AC / DC output for system expansion. Time weighting Fast - t= 200 ms, Slow - t = 500 ms,
* External calibration VR. (Fast, Slow) * "Fast" range is simulated the
* Condenser microphone for high accuracy & long-term human ear response time.
stability. * "Slow" range is easy to get the avg.
* MAX. HOLD function for stored the maximum value. values of vibration sound level.
* Warning indicator for over and under load. * The "Fast" & "Slow" response
* Low battery indicator. range are designed to meet
* LCD display for low power consumption & clear read-out IEC 61672 class 2 requirement.
even in bright ambient light condition. Calibrator B & K (Bruel & kjaer), Multifuction
* Used the durable, long-lasting components, including a Acoustic Calibrator 4226.
strong, light weight ABS-plastic housing case. Output Signal AC output - AC 0.5 Vrms correspond-
* Pocket and light weight design allow one hand operation. ing to each range step.
* Power by 006P DC 9V battery or DC 9V adapter. DC output - DC 0.3 to 1.3 VDC,
10 mV / per dB.
SPECIFICATIONS Output impedance - 600 ohm.
Display LCD size : 49 mm x 25.5 mm, Output terminal 3.5 mm dia. phone output terminal is
Digit size : 21.7 mm x 8.8 mm. provided for connection with analyzer,
Function dB (A & C weighting), level recorder, tape recorder.
Time weighting (Fast, Slow), Operating 0 to 50 ℃.
Max. hold, AC output, DC output. Temperature
Measurement A Weighting- 3 ranges, 30 to 130 dB. Operating Less than 80% R.H.
Range C Weighting- 3 ranges, 30 to 130 dB. Humidity
Resolution 0.1 dB. Power Supply 006P DC 9V battery (heavy duty type)
Accuracy Frequency weighting meet IEC 61672 or DC 9V adapter input.
(23± 5 ℃) class 2, calibrating input signal on 94 dB Power Approx. DC 10 mA.
( 31.5 Hz to 8 kHz), the accuracy of Consumption
frequency weighting is specified as Dimension 200 x 69 x 28 mm ( 7.9x2.7x1.4 inch).
following: Weight 213 g/0.5 LB.
31.5 Hz - ± 3.5 dB, 63 Hz - ± 2.5 dB, Accessories Instruction Manual .............. 1 PC.
125 Hz - ± 2.0 dB 250 Hz - ± 1.9 dB, Included
500 Hz - ± 1.9 dB, 1 kHz - ± 1.4 dB Optional 94 dB sound calibrator, SC-941
2 kHz - ± 2.6 dB, 4 kHz - ± 3.6 dB, Accessories 94 dB/114 dB sound calibrator, SC-942
8 kHz - ± 5.6 dB AC to DC 9V adapter.
Frequency 31.5 to 8,000 Hz. Wind shield ball, SB-01.
Microphone type Electric condenser microphone.
