เครื่องวัดเสียง ราคาประหยัด Economy Type ช่วงการวัด 30 ถึง 130 dB (Auto range) มาตรฐาน IEC61672 Class 2 ยี่ห้อ Lutron, Taiwan
SL-3113B ฟังก์ชั่นการวัด
เครื่องวัดเสียง Class2
SL-3113B จุดเด่น
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.
SL-3113B ช่วงการวัด
30 - 130 dB.
Resolution 0.1 dB.
Accuracy ( 23± 5 ℃ ) 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.
SL-3113B Power Supply
DC 9V battery, 006P, MN1604(PP3) or equivalent.
* Alkaline or heavy duty type.
SL-3113B ขนาดสินค้า
240 x 69 x 38 mm (9.4 x 2.7 x 1.5 inch).
437 g/0.96 LB (including battery).
SL-3113B อุปกรณ์ที่มาในชุด
Unit
Instruction Manual
Sound Ball (SB-01)
SL-3113B อุปกรณ์เสริม
94 dB Sound Calibrator : Model : SC-941.
94 dB/114 dB Sound Calibrator : Model : SC-942.
Sound wind shield ball Model : SB-01
SL-3113B ข้อมูลจำเพาะ
Display 40 mm x 32 mm LCD (Liquid crystal display).
Function dB ( A frequency weighting ), Time weighting ( Fast ), Hold, Memory (Max. & Min. ).
Microphone type Electric condenser microphone.
Range selector Auto range : 30 to 130 dB.
Microphone size Out size, 12.7 mm DIA. ( 0.5 inch).
Weighting Network Characteristics of A.
Time weighting ( Fast & Slow )
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 ℉ ).
Operating Humidity Less than 80% RH.
Power Consumption Battery power : Approx. DC 10 mA.