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https://www.lutron.com.tw/products/143/automotive-tester

DM-9131 汽車引擎轉速錶

AUTOMOTIVE TESTER

．最大顯示位元6000 ．自動換檔  1.DCV直流電壓：   0~600.0mV/6.000V/60.00V/600.0V/1000V   ±(0.5%+2d)600 mV   ±(0.8%+1d)6V,60V,600V,1000V   ACV交流電壓：   0~600.0mV/6.000V/60.00V/600.0V/1000V   ±(0.1%+2d) 2.交直流電流：   0~6A±(1.5%+5D)   0~10A±(1.5%+2D)   交直流電流鉤投(ACA/DCA)(選購)     0~200，0A~2000A兩檔 3.電阻：0~600Ω/0.1Ω~60MΩ/0.01MΩ   ±(1%+2d)~±(1.5%+2d) 4.汽車引擎轉速：500~10000RPM   ±(1%+2d) 5.電容：0~600pF/0.1pF~600uF/1uF   ±(1.5%+5d)~±(5%+5d) 6.頻率：1Hz~60KHz±(0.5%+2d) 7.溫度：-200℃~1200℃±(1%+1℃) 8.白金閉角%、汽缸角度測量±(1%+2d) 9.二極體測試，導通蜂鳴測試 10.可記錄最大值、最小值及讀值鎖定 11.RS232/USB電腦連接介面(軟體選購) 12.尺寸：194*90*40mm  

Technical Specifications:

– Display: 60 mm x 39 mm large LCD display

– Measurement Range:

– DC Voltage: 600.0 mV, 6 V, 60 V, 600 V, 1000 V

– AC Voltage: 600.0 mV, 6 V, 60 V, 600 V, 1000 V     (True RMS)

– DC Current: 6 A, 10 A

– AC Current: 6 A, 10 A      (True RMS)

– Resistance: 600 Ω, 6 KΩ, 60 KΩ, 600 KΩ, 6 MΩ, 60 MΩ

– Capacitance: 600 pF, 6 nF, 60 nF, 600 nF, 6 µF, 60 µF, 100 µF, 600 µF

– Inductance: 600 µH, 6 mH, 60 mH, 600 mH, 6 H, 60 H, 100 H

– Frequency: 600 Hz, 6 KHz, 60 KHz, 600 KHz, 6 MHz, 20 MHz

– Temperature: -100.0 to 1000 ℃, -148.0 to 1832 ℉

– Diode Test: Forward voltage, VF range 2.9 V DC

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

– TACH (RPM): 500 to 30000 RPM

– DWELL: 0 to 120° (various cylinder configurations)

– Duty Cycle: 0 to 100%

– Accuracy:

– DC Voltage: ± (0.5% + 2d)

– AC Voltage: ± (1.2% + 2d)

– DC Current: ± (1.5% + 2d) for 10A , ± (1.5% +5d) for 6 A ,

– AC Current: ± (1.5% + 2d) for 10A , ± (1.5% + 5d) for 6 A ,

– Resistance: ± (1% + 2d) to ± (3% + 5d) depending on range

– Capacitance: ± (1.5% + 5d) to ± (5% + 5d) depending on range

– Inductance: ± (1.5% + 5d) to ± (5% + 5d) depending on range

– Frequency: ± (0.5% + 2d)

– Temperature: ± (1% + 1℃)

– TACH (RPM): ± (1% + 2d)

– Input Impedance: 10 MΩ for voltage circuit

– Overload Protection: Built-in fuse for 10A and 6A current ranges

– Sampling Time: Approximately 0.5 to 1 second

– Power Supply: 9 V (006P, MN1604) battery or optional DC 9V adapter

– Power Consumption: Approximately DC 7.0 mA

– Dimensions: 190 x 88 x 40 mm (7.5 x 3.5 x 1.6 inches)

– Weight: 378 g (0.83 lb) without battery