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    ST-3620 AC Clamp Meter

    - AC Current Ranges: 200A / 1500A (40Hz-1kHz), accuracy ±(2.0%rdg+4dgt).
    - AC Voltage Ranges: 200V / 750V (40Hz-1kHz), accuracy ±(1.5%rdg+2dgt).
    - Resistance Range: 200Ω, accuracy ±(1.5%rdg+2dgt).
    - Continuity Test: Buzzer sounds when resistance is less than 30Ω.
    - Peak Hold Function: Captures maximum values.
    - Conductor Size: 55mm max.
    - Operating Temperature: 0ºC ~ 40ºC.
    - Power Source: 9V (6F22) × 1.
    - Dimensions: 245mm × 70mm × 41.7mm.
    - Weight: Approx. 480g (including battery).
    - Safety Standards: EN 61010-1 CAT III 600V.
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    ST-3602 AC/DC Clamp Meter

    - AC Current Ranges: 200A / 1500A (40Hz-1kHz), accuracy ±(2.0%rdg+4dgt).
    - DC Current Ranges: 200A / 1500A, accuracy ±(2%rdg+4dgt).
    - AC Voltage Ranges: 200V / 750V (40Hz-1kHz), accuracy ±(1.5%rdg+2dgt).
    - DC Voltage Ranges: 20V / 1000V, accuracy ±(1%rdg+2dgt).
    - Resistance Range: 200Ω / 1500Ω, accuracy ±(1.5%rdg+2dgt).
    - Diode Check: 0-1500mV, accuracy ±(1.5%rdg+2dgt).
    - Continuity Test: Buzzer sounds when resistance is less than 100Ω.
    - Conductor Size: 55mm max.
    - Operating Temperature: 0ºC ~ 40ºC.
    - Power Source: 9V (6F22) × 1.
    - Dimensions: 245mm × 70mm × 41.7mm.
    - Weight: Approx. 480g (including battery).
    - Safety Standards: EN 61010-1 CAT III 600V.
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    ST-3600 交直流鈎表.png

    ST-3600 AC/DC Clamp Meter

    - AC Current Ranges: 200A / 1500A (40Hz-1kHz), accuracy ±(2.0%rdg+4dgt).
    - DC Current Ranges: 200A / 1500A, accuracy ±(2%rdg+4dgt).
    - AC Voltage Ranges: 200V / 750V (40Hz-1kHz), accuracy ±(1.5%rdg+2dgt).
    - DC Voltage Ranges: 20V / 200V / 1000V, accuracy ±(1%rdg+2dgt).
    - Resistance Range: 200Ω / 1500Ω, accuracy ±(1.5%rdg+2dgt).
    - Diode Check: 0-1500mV, accuracy ±(1.5%rdg+2dgt).
    - Continuity Test: Buzzer sounds when resistance is less than 100Ω.
    - Conductor Size: 55mm max.
    - Operating Temperature: 0ºC ~ 40ºC.
    - Power Source: 9V (6F22) × 1.
    - Dimensions: 245mm × 70mm × 41.7mm.
    - Weight: Approx. 480g (including battery).
    - Safety Standards: EN 61010-1 CAT III 600V.
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    1010CL Analog AC Clamp Meter

    - AC Current Ranges: 10A / 30A / 100A / 300A / 1000A (±3% of full scale).
    - AC Voltage Ranges: 150V / 300V / 750V (±3% of full scale).
    - Resistance Range: 2kΩ (±3% of scale length).
    - Frequency Response:
    - 50/60Hz for ACA 10A.
    - 50-400Hz for ACA 30A / 100A / 300A / 1000A.
    - Conductor Size: 52mm max.
    - Dimensions: 227mm × 73mm × 33mm.
    - Weight: Approx. 460g (including battery).
    - Safety Standards: EN 61010-1 CAT III 600V.
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    ST-600 AC Clamp Meter

    - AC Current Ranges: 6A / 30A / 60A / 300A / 600A (±3% of full scale).
    - AC Voltage Ranges: 150V / 300V / 600V (±3% of full scale).
    - Resistance Range: 2kΩ (±3% of scale length).
    - Frequency Response:
    - 50/60Hz for ACA 6A.
    - 50-400Hz for ACA 30A / 60A / 300A / 600A.
    - Conductor Size: 38mm max.
    - Dimensions: 230mm × 72mm × 37mm.
    - Weight: Approx. 420g (including battery).
    - Safety Standards: EN 61010-1 CAT III 600V, EN 61010-2-32.
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    ST-375 交直流鈎表.jpg

    ST-375 AC/DC Clamp Meter

    - AC Current Ranges: 6A / 15A / 60A / 150A / 300A (±3% of full scale).
    - AC Voltage Ranges: 300V / 600V (±3% of full scale).
    - DC Voltage Range: 75V (±3% of full scale).
    - Resistance Range: 2kΩ (±3% of scale length).
    - Frequency Response:
    - 50/60Hz for ACA 6A.
    - 50-400Hz for ACA 15A / 60A / 150A / 300A.
    - Conductor Size: 38mm max.
    - Dimensions: 230mm × 72mm × 37mm.
    - Weight: Approx. 420g (including battery).
    - Safety Standards: EN 61010-1 CAT II 600V, EN 61010-2-32.
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    1105ER Earth Resistance Meter

    - Earth resistance measurement: 0-12Ω, 0-120Ω, 0-1200Ω.
    - Earth voltage measurement: 0-30V AC (40-500Hz).
    - 2mA measuring current, allowing testing without tripping earth leakage breakers.
    - Battery-operated with a battery life indicator.
    - Calibration performed with supplied test leads.
    - Supports both two-wire and three-wire measurement systems.
    - Compact design: 175mm × 85mm × 75mm, weighing approximately 600g.
    - Safety standards: EN 61010-1 CAT IV 30V, EN 61326-1.
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    1820ER Earth Resistance Meter

    - Earth resistance measurement: 0-20Ω, 0-200Ω, 0-2000Ω.
    - Earth voltage measurement: 0-200V AC (40-500Hz).
    - 2mA measuring current, allowing testing without tripping earth leakage breakers.
    - Battery-operated with a low battery indicator.
    - Data hold function for easy readings.
    - Over-range indication: “1” (MSD).
    - Calibration performed with supplied test leads.
    - Safety standards: EN 61010-1 CAT III 300V, IEC 61557-1, IEC 61557-5, EN 61326-1.
    - Compact design: 170mm × 165mm × 92mm, weighing approximately 1040g.
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    1805ER Earth Resistance Meter

    - Earth resistance measurement: 0-10Ω, 0-100Ω, 0-1000Ω.
    - Earth voltage measurement: 0-30V AC (40-500Hz).
    - 2mA measuring current, allowing testing without tripping earth leakage breakers.
    - Battery-operated with a battery check function.
    - Calibration performed with supplied test leads.
    - Safety standards: EN 61010-1 CAT III 300V, EN 61326-1.
    - Compact design: 170mm × 165mm × 92mm, weighing approximately 1000g.
    - Accessories included: Test leads (red-15m, yellow-10m, green-5m), auxiliary earth spikes, simplified measurement probe, shoulder belt, and batteries.
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    ST1520 Earth Resistance Meter

    - Earth resistance measurement: 0-20Ω, 0-200Ω, 0-2000Ω.
    - Earth voltage measurement: 0-200V AC (40-500Hz).
    - 2mA measuring current, allowing testing without tripping earth leakage breakers.
    - Battery-operated with a low battery indicator.
    - Data hold function for easy readings.
    - Over-range indication: “1” (MSD).
    - **Calibration performed with supplied test leads.
    - Safety standards: IEC 1010 CAT III 200V.
    - Compact design: 163mm × 100mm × 50mm, weighing approximately 480g.
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    ST1505 Earth Resistance Meter

    - High-quality shock-resistant meter head for stable readings.
    - Measures earth resistance and ground voltage accurately.
    - Automatic timer function for long-duration testing (about 3-5 minutes).
    - Battery-operated with a battery check function.
    - Calibration performed with supplied test leads.
    - Safety standard compliance: EN 61010-1 CAT II 30V.
    - Compact and lightweight design (163mm × 100mm × 50mm, approx. 460g).
    - Comes with accessories: test leads (red-15m, yellow-10m, green-5m), auxiliary earth spikes, carrying case, and batteries.
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    4120ER Earth Resistance Meter

    - Earth Resistance Ranges: 0-20Ω / 0-200Ω / 0-2000Ω.
    - Earth Voltage Range: 0-200V (40-500Hz).
    Accuracy:
    - Earth resistance: ±(2%rdg+2dgt) at 200/2000Ω, ±(2%rdg+0.1Ω) at 20Ω.
    - Earth voltage: ±(1%rdg+2dgt).
    - Display: 3½ digit (2000 counts).
    - Power Source: 1.5V (AA) × 8.
    - Safety Standards: EN 61010-1 CAT III 300V, IEC 61557-1, IEC 61557-5, EN 61326-1.
    - Accessories: Test leads (red-15m, yellow-10m, green-5m), auxiliary earth spikes, carrying case, batteries.