SL-4030 SOUND LEVEL METER
mini pocket type, IEC 61672 class 2
SOUND LEVEL METER
Model : SL-4030 ISO-9001, CE, IEC1010
FEATURES
- Large LCD display, easy to read.
- Time weighting and frequency weighting meet , IEC 61672 class 2.
- A & C weighting networks are conformity to standards.
- 0.5" standard out size of the microphone.
- Time weighting (Fast & Slow) dynamic characteristic modes.
- AC / DC output for system expansion.
- External calibration VR.
- Condenser microphone for high accuracy & long-term stability.
- MAX. HOLD function for stored the maximum value.
- Warning indicator for over and under load.
- Low battery indicator.
- LCD display for low power consumption & clear read-out even in bright ambient light condition.
- Used the durable, long-lasting components, including a strong, light weight ABS-plastic housing case.
- Pocket and light weight design allow one hand operation.
- Power by 006P DC 9V battery or DC 9V adapter.
SPECIFICATIONS | |
Display | LCD size : 49 mm x 25.5 mm, Digit size : 21.7 mm x 8.8 mm. |
Function | dB (A & C weighting), Time weighting (Fast, Slow), Max. hold, AC output, DC output. |
Measurement Range | A Weighting- 3 ranges, 30 to 130 dB. C Weighting- 3 ranges, 30 to 130 dB. |
Resolution | 0.1 dB. |
Accuracy (23 ± 5 ℃) | Frequency weighting meet IEC 61672 class 2, calibrating input signal on 94 dB ( 31.5 Hz to 8 kHz), the accuracy of frequency weighting is specified as following: 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 |
Frequency | 31.5 to 8,000 Hz. |
Microphone type | Electric condenser microphone. |
Microphone size | Out size, 12.7 mm Dia. ( 0.5 inch). |
Weighting Network | Characteristics of A & C. |
Range selector | 3 ranges ( 30 to 80 dB, 50 to 100 dB, 80 to 130 dB ). * 50 dB on each step. * with over / under range indicating. |
Time weighting (Fast & Slow) | Fast - t= 200 ms, Slow - t = 500 ms, * "Fast" range is simulated the human ear response time. "Slow" range is easy to get the average values of vibration sound level. * The "Fast" & "Slow" response range are designed to meet IEC 61672 class 2 requirement. |
Calibrator | B & K (Bruel & kjaer), Multifuction Acoustic Calibrator 4226. |
Output Signal | AC output - AC 0.5 Vrms corresponding to each range step. DC output - DC 0.3 to 1.3 VDC, 10 mV / per dB. Output impedance - 600 ohm. |
Output Terminal | 3.5 mm dia. phone output terminal is provided for connection with analyzer, level recorder, tape recorder. |
Operating Temp. | 0 ℃ to 50 ℃ |
Operating Humidity | Less than 80% RH. |
Power Supply | 006P DC 9V battery (heavy duty type) or DC 9V adapter input. |
Power Consumption | Approx. DC 10 mA. |
Dimension | 200 x 69 x 28 mm ( 7.9x2.7x1.4 inch). |
Weight | 213 g/0.5 LB. |
Accessories Included | Instruction Manual ................................................... 1 PC. |
Optional Accessories | 94 dB Sound Calibrator, model : SC-941. 94/114 dB Sound Calibrator, model : SC-942. AC to DC 9V adapter. Wind shield ball, model : SB-01. |