SL-4010 SOUND LEVEL METER
IEC 61672 class 2, economical type
SOUND LEVEL METER
Model : SL-4010 ISO-9001, CE, IEC1010
FEATURES
- Large LCD display, easy to read.
- Charateristic of " A " frequency weighting network are designed to meet IEC 61672 class 2.
- " Fast " time weighting characteristic mode.
- Build in adj. VR is available for easy calibration.
- Condenser microphone for high accuracy & long-term stability.
- Hold function to freeze the display value.
- Warning indicator for over and under range.
- 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.
- Small and light weight design allow one hand operation.
- Low battery indicator.
- High quality with economical cost.
SPECIFICATIONS | |
Display | 18mm (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 Frequency | 31.5 Hz to 8,000 Hz. |
Frequency Weighting Network | Characteristics of " A " frequency 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 (23 ± 5 ℃) | Characteristics of " A " frequency weighting network meet IEC 61672 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 6mA. |
Dimension | 255 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. | |