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    1. 台湾标准电机SEW仪器仪表--3920 CL Digital AC Leakage Clamp Meter
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        3920 CL   Clamp Meters
        Digital AC Leakage Clamp Meter  
        3920 CL
        FEATURES
         
         Designed for test AC current and AC voltage.
         AC current testing has 5 ranges.
         The minimum resolution of leakage current is 0.1mA.
         Frequency selection : 50/60 Hz and Wide.
         Data hold function.
         Maximum reading.
         Low battery indication.
         GENERAL :
         Display : 3-1/2 digit (2000 counts)
         Low Battery Indication : sign appears on the display when the battery voltage drops below accurate operating level.
         Operating Principle : Dual slope integration.
         Conductor Size : Apporx. 55mm max.
         Overload Protecton : AC 600V, DC 600V
         Data Hold Indication : HOLD
         Response Time : Approx. 1 second
         Sample Rate : Approx. 2 times per second.
        SPECIFICATIONS
         
        AC CURRENT :
        200mA/2A/20A 50/60 Hz : +/- (1.5%rdg+2dgt), WIDE 50/60Hz : +/- (1.0%rdg+2dgt), WIDE 40/1000Hz : +/- (3.0%rdg+2dgt)
        200A 56/60 Hz : +/- (2.0%rdg+2dgt), WIDE 50/60 Hz : +/- (1.5%rdg+2dgt), WIDE 40/1000 Hz : +/- (3.5%rdg+2dgt)
        0 ~ 500A 50/60 Hz : +/- (2.0%rdg+2dgt), WIDE 50/60 Hz : +/- (1.5%rdg+2dgt), WIDE 40/1000 Hz : +/- (3.5%rdg+2dgt)
        501 ~ 1000A 50/60 Hz : 5.5%rdg+2dgt, WIDE 50/60 Hz : +/- 5%rdg, WIDE 40/1000 Hz : +/- 10%rdg
        VOLTAGE :
        AC 220V Resolution : 0.1V, Accuracy : +/- (1.5%rdg+3dgt)
        AC 600V Resolution : 1V, Accuracy : +/- (1.5%rdg+3dgt)
        Dimensions 260(L) x 95(W) x 43(H) mm
        Weight Approx. 540g (battery included)
        Power Source One type PP3, 6F22, 006P (or equipvalent), 9V manganese.
        Temperature & Humidity for Guaranteed 23 degree C +/- 10 degree C at < 80% max. relative humidity.
        Storage Temperature & Humidity -20 degree C to 60 degree C at < 80% max. relative humidity.
        Battery Life Appox. 100 hours on continous use. (Alkaline Battery)
        Safety Standard , 61010-2-32 CAT III 600V
        特 點
        ● 量測交流漏電電流和交流電壓(3920 CL)。
        ● 量測交流漏電電流和交流/直流電壓(3921 CL)。
        ●交流漏電電流量測設計有5個檔位。
        ● Z低解析度0.1mA。
        ● 頻率有兩檔可供選擇。
        ● 讀值鎖定。
        ● Z大值鎖定。
        ● 電源不足顯示。
        規 格 (23°C±5°C <80%R.H.)

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