噪音計中國臺灣路昌SL-406 噪音轉(zhuǎn)換器
特點：
中國臺灣路昌噪音計，噪音轉(zhuǎn)換器
測量范圍 : 35 ~ 80 , 50 ~ 100 , 80 ~ 130dB（分貝）.
輸出 : 1mV=1dB
A/C加權(quán)網(wǎng)絡(luò)測量選擇（dBA）
響應(yīng)頻率范圍 : 31.5 ~ 8000HZ
精確度 : ±1.5dB （94dB/1KHz）
符合規(guī)范IEC651Type2
噪音計中國臺灣路昌SL-406 噪音轉(zhuǎn)換器
SL-406 噪音轉(zhuǎn)換器
中國臺灣路昌噪音計，噪音轉(zhuǎn)換器
特色：
測量范圍 : 35 ~ 80 , 50 ~ 100 , 80 ~ 130dB(分貝).
輸出 : 1mV=1dB
A/C加權(quán)網(wǎng)絡(luò)測量選擇(dBA)
響應(yīng)頻率范圍 : 31.5 ~ 8000HZ
精確度 : ±1.5dB (94dB/1KHz)
符合規(guī)范IEC651Type2
Size : 107 x 53 x 29mm.
噪音計中國臺灣路昌SL-406 噪音轉(zhuǎn)換器
FEATURES
*Cooperate with the DMM to be as a professional sound level meter.
*35 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 indicator.
*Low battery indicator.
*Frequency 31.5 Hz to 8,000 Hz. Electric condenser microphone. Size of microphone : 1/2 inch standard size.
規(guī) 格：
測量/范圍 (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.
輸出 (Output )
10 mV per 1 dB.
精確度 (Accuracy )(23 5 ℃)
Frequency weighting meet IEC 61672 class 2, calibrating input 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
頻率加權(quán)回路 (Frequency Weighting Network )
Characteristics of A weighting.
A weighting : The characteristic is simulated as "Human Ear Listing" response.
頻率 (Frequency )
31.5 Hz to 8,000 Hz.
校正器 (Calibrator )
B & K (Bruel & Kjaer) : Multi-fuction acoustic calibrator, Model : 4226.
麥克風(fēng)型態(tài) (Microphone type)
Electric condenser microphone.
麥克風(fēng)大小 (Size of microphone)
1/2 inch standard size.
校正VR (Calibration VR)
Build in external calibration VR.
電池 (Battery)
DC 9 V battery (006P, 6F22).
電源消耗 (Power Consumption)
Approx. DC 4 mA.
操作溫度 (Operating Temperature)
0 ℃ to 50 ℃ (32 ℉ to 122 ℉).
操作濕度(Operating Humidity)
Less than 80% RH.
重量 (Weight)
150g g/0.33 LB (including battery).
體積(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).
附件 (Accessories Included)
Operation Manual.........................1 PC.
選購校正器及附件 (Optional Calibrator, Accessory)
94 dB Sound Calibrator, Model : SC-941.
94/114 dB Sound Calibrator, Model : SC-942.
Wind shield ball, Model : SB-01
