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