噪音計中國臺灣路昌SL-406 噪音轉換器

SL-406 噪音轉換器

中國臺灣路昌噪音計，噪音轉換器

特色：

測量范圍 : 35 ~ 80 , 50 ~ 100 , 80 ~ 130dB(分貝).

輸出 : 1mV=1dB

A/C加權網絡測量選擇(dBA)

響應頻率范圍 : 31.5 ~ 8000HZ

精確度 :  ±1.5dB (94dB/1KHz)

符合規范IEC651Type2

Size : 107 x 53 x 29mm.

噪音計中國臺灣路昌SL-406 噪音轉換器

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 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.

麥克風型態 (Microphone type)

Electric condenser microphone.

麥克風大小 (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