1.符合國際規範IEC 651 Class2

2.符合國際規範IEC 61672 Class 2

3.測量範圍：30dB~130dB(分貝)

4.測量頻率範圍：31.5~800Hz

5.精確度：±1.5dB(94dB/1KHz)

6.讀值鎖定功能

7.A加權網路量測(dBA)

8.Size：255x70x28mm

顯示器	字高18mm三位半液晶顯示幕
測量範圍	35~130dB分三檔35~50dB、50~100dB、80~130dB
解析度	0.1dB
測量頻率範圍	31.5Hz~8000Hz
精確度	符合國際標準IEC651   Type2規範 31.5Hz：±3dB，63Hz：±2dB，125Hz：±1.5dB 250Hz：±1.5dB，500Hz：±1.5dB，1kHz：±1.5dB 2kHz：±2dB，4kHz：±3dB，8kHz：±5dB
校正VR	內建式校正VR方便使用起子調校94.0dB
操作環境溫度	0 to 50℃ (32 to 122℉)
操作環境溼度	低於80%RH
工作電源	9伏特乾電池x1
重量	250公克/ 0.55磅(含電池)
尺寸	250 x 70 x 25mm(8.9 x 2.8 x 1.1inch)
標準配件	操作說明書x1本
選購配件	噪音計音量校正器SC-941 噪音計音量校正器SC-942 攜帶盒CA-06

SL-4010 IEC 651, type 2 economical type LIGHT METER

 

FEATURES

1.       Large LCD display, easy to read.

2.       Charateristic of " A " frequency weighting network are designed to meet IEC 61672 class 2.

3.       " Fast " time weighting characteristic mode.

4.       Build in adj. VR is available for easy calibration.

5.       Condenser microphone for high accuracy & long-term stability.

6.       Hold function to freeze the display value.

7.       Warning indicator for over and under range.

8.       LCD display for low power consumption & clear read-out even in bright ambient light condition.

9.       Used the durable, long-lasting components, including a strong, light weight ABS-plastic housing case.

10.    Small and light weight design allow one hand operation.

11.    Low battery indicator.

12.    High quality with economical cost.

 

1. Display：18mm (0.7") LCD (Liquid Crystal Display), 3 1/2 digits.

2. 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

3. Each range with warning indicator for over & under load.

4. Resolution：0.1 dB.

Measurement Frequency：31.5 Hz to 8,000 Hz.

5. Frequency Weighting Network：

Characteristics of " A " frequency weighting network.

The " A weighting " characteristic is simulated as "Human Ear Listing" response.

6. Time weighting (Fast, Slow)：

Default to " Fast " time weighting characteristics

Fast time weighting " is simulated the human ear response character.

7. 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 K Hz ± 1.4 dB

2 K Hz ± 2.6 dB

4 K Hz ± 3.6 dB

   8 K Hz ± 5.6 dB