SOUND ADAPTER
Model : SL-406
FEATURES
* Cooperate with the DMM to be as a professional sound level meter.
* 30 to 130 dB, 3 ranges.
* Frequency weighting networks are designed to meet the IEC 61672 class 2.
* A weighting networks are conformity to standards.
* Fast Time weighting dynamic characteristic modes.
* Condenser microphone for high accuracy & long-term stability.
* Over/Under range indicator.
* Low battery indicator.
SPECIFICATIONS
Measurement/Range 30 to 130 dB, 3 ranges
Range 1 : 30 to 80 dB.
Range 2 : 50 to 100 dB.
Range 3 : 80 to 130 dB.
Output 10 mV per 1 dB.
Accuracy Frequency weighting meet IEC 61672 class 2, calibrating input
(23 5 ℃) signal on 94 dB ( 31.5 Hz to 8 kHz ), then the accuracy of A
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 Characteristics of A weighting.
Weighting A weighting : The characteristic is simulated as "Human Ear
Network Listing" response.
Frequency 31.5 Hz to 8,000 Hz.
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.
Battery DC 9 V battery (006P, 6F22).
Power Consumption Approx. DC 4 mA.
Operating Temperature 0 ℃ to 50 ℃ (32 ℉ to 122 ℉).
Operating Humidity Less than 80% RH.
Weight 150g g/0.33 LB (including battery).
Dimension Main instrument : 107 x 53 x 29 mm ( 4.2 x 2.1 x 1.1 inch ).
Probe : Dia. 12.7 mm x 58 mm ( Dia. 0.5 inch x 2.28 inch).
Accessories Included Operation Manual........................................1 PC.
Optional Calibrator, 94 dB Sound Calibrator, Model : SC-941.
Accessory 94/114 dB Sound Calibrator, Model : SC-942.
Wind shield ball, Model : SB-01
