DM-9971SD MULTIMETER           Bench type, professional           SD card           real time data recorder   專業桌上機型 大型LCD背光顯示幕(96mmx55mm)  *CAT III 1000V *True RMS,自動/手動換檔 *最大顯示位數6000  1.交直流電壓：0~600.0mV~1000V   DCV±(0.5%+2d)~±(0.8%+1d)   ACV±(1%+2d) 2.交直流電流：0~10.00A~600.0uA   ±(0.5%+2d)~±(1.5%+5d)   交直流電流鉤投(ACA/DCA)(選購)     0~200，0A~2000A兩檔 3.電阻：0~600.0Ω~60.00MΩ   ±(1%+2d)~±(3%+5d) 4.頻率：0~600.0Hz~20.00MHz   ±(0.5%+2d) 5.二極體測試，導通蜂鳴測試 6.可記錄最大值、最小值及讀值鎖定 7.RS-232/USB連接介面(軟體選購) 8.尺寸：292*236*98mm  ☆內建SD卡紀錄器功能，同時紀錄時間/日期   自動取樣時間可設定1-3600秒   可設定手動紀錄 ☆Excel記錄繪圖沒煩惱：   ☆RS-232/USB電腦介面(選購) ☆台灣製造，多國專利最新設計  ☆SD卡記錄功能：   可設定紀錄時間：1-3600秒   可記錄日期/時/分/秒   具有單次取樣紀錄功能 ☆可加購交流電源，無限延長紀錄時間 ☆SD卡紀錄/即時電腦連線(選購)可同時使用  

 Technical Specifications:

– Measurement Range and Resolution:

  – DC Voltage:

– Range: 600.0 mV / 6 V / 60 V / 600 V / 1000 V

– Resolution: 0.1 mV / 0.001 V / 0.01 V / 0.1 V / 1 V

– Accuracy: ±(0.5% + 2d) for 600 mV, ±(0.8% + 1d) for 6 V, 60 V, 600 V, 1000 V

– Input Impedance: 10 MΩ

– Overload Protection: 600 mV range ± 380 DCV, 380 ACV; other ranges ± 1000 DCV, 1000 ACV

  – AC Voltage (True RMS):

– Range: 600.0 mV / 6 V / 60 V / 600 V / 1000 V

– Resolution: 0.1 mV / 0.001 V / 0.01 V / 0.1 V / 1 V

– Accuracy: ±(1% + 2d) (specifications tested under 50/60 Hz)

– Input Impedance: 10 MΩ

– Overload Protection: 600 mV range ± 380 DCV, 380 ACV; other ranges ± 1000 DCV, 1000 ACV

  – DC Current, AC Current (True RMS):

– Range: 10 A / 6 A / 600 mA / 60 mA / 6000 μA / 600 μA

– Resolution: 0.01 A / 0.001 A / 0.1 mA / 0.01 mA / 1 μA / 0.1 μA

– Accuracy: DCA ±(0.5% + 2d) to ±(1.5% + 2d); ACA ±(1% + 7d) to ±(1.5% + 2d) (specifications tested under 50/60 Hz)

– Overload Protection: 10 A range: 10 A fuse; μA, mA range: 630 mA fuse

  – Resistance:

– Range: 600 Ω / 6 kΩ / 60 kΩ / 600 kΩ / 6 MΩ / 60 MΩ

– Resolution: 0.1 Ω / 0.001 kΩ / 0.01 kΩ / 0.1 kΩ / 0.001 MΩ / 0.01 MΩ

– Accuracy: 600 Ω ±(1% + 2d); 6 kΩ, 60 kΩ, 600 kΩ, 6 MΩ ±(1.5% + 2d); 60 MΩ ±(3% + 5d)

– Overload Protection: ±350 DCV, 350 ACV

– Frequency:

– Range: 60 Hz / 600 Hz / 6 kHz / 60 kHz / 600 kHz / 6 MHz / 20 MHz

– Resolution: 0.01 Hz / 0.1 Hz / 0.001 kHz / 0.01 kHz / 0.1 kHz / 0.001 MHz / 0.01 MHz

– Accuracy: ±(0.5% + 2d)

– Sensitivity: Min. 1 V rms, Max. 5 V rms

  – Diode (Forward Voltage, VF):

– Range: 2.9 V DC

– Accuracy: ±(0.5% + 2d)

  – Continuity Beeper: Beeps if measured resistance is less than 20 Ω