SN170 2000-count High-Precision Digital Clamp Meter — Non-contact measurement of high currents up to 500A,AC/DC voltage, resistance, capacitance and NCV all in one device

No need to strip insulation; non-contact for greater safety | The all-round assistant for electrical repairs, home testing and industrial inspections

Product Description 
The Chenzhoudao SN170 Digital Clamp Meter is a high-precision electrical instrument that combines clamp-on current measurement with a multifunctional multimeter. Featuring a non-contact clamp design, it enables safe and rapid measurement of AC currents up to 500A without the need to disconnect the circuit, significantly enhancing operational efficiency and safety. It also offers a comprehensive range of measurement functions, including AC and DC voltage, resistance, capacitance, diode testing, continuity beep and NCV (non-contact voltage detection), making it a single device that meets the needs of multiple scenarios such as electrical repairs, domestic electrical testing and industrial inspections.

The SN170 features a large 2000-count digital display for clear and intuitive readings; it is equipped with a torch function, allowing for comfortable operation even in dimly lit environments; and it automatically switches off after 15 minutes of inactivity, saving energy and providing greater peace of mind.

[Detailed Explanation of Core Functions]
1. AC Current Measurement (Non-contact, safer)
Range: 0–500 A | Resolution: 1 A | Accuracy: ±(3.5% of reading + 5 digits).
Simply clamp the jaws around a single conductor to take a measurement; there is no need to strip the insulation or switch off the power supply, and the non-contact operation ensures personal safety.
The jaw opening is approximately 30 mm, suitable for a wide range of conductor sizes.

2. AC and DC Voltage Measurement
DC voltage: 0–600 V, resolution 0.1 V, accuracy ±(1.0% of reading + 5 digits).
AC voltage: 0–600 V, resolution 0.1 V, accuracy ±(1.5% of reading + 5 digits).

Covers the full range of requirements for domestic and industrial circuits.

3. Resistance and Capacitance Measurement
Resistance: 0–20 MΩ, resolution 10 kΩ, accuracy ±(1.5% of reading + 5 digits).
Capacitance: 0–200 μF, resolution 0.1 μF, accuracy ±(3.5% of reading + 8 digits).

Easily test the condition of motor windings, cable insulation and capacitors

4. NCV Non-Contact Voltage Detection
When an AC voltage is detected nearby, the screen displays the ‘EF’ signal, the red LED flashes and a buzzer alarm sounds.
Quickly identify live circuits without touching the wires, enhancing safety during maintenance.

5. Diode and Continuity Beep
Forward voltage drop detection for diodes, enabling rapid assessment of diode integrity

Continuity beep function emits a beep when a circuit is conductive, making cable troubleshooting more efficient

6. Data Hold and Torch Light
Press the HOLD button briefly to lock or unlock the screen display, facilitating the recording of readings.
Press and hold the HOLD button to switch the torch light on or off, providing emergency lighting during repairs for greater convenience.

[Product Specifications]
Item: Specification
AC Voltage: 0–600 V, resolution 0.1 V, ±(1.5% of reading + 5 digits)
DC Voltage: 0–600 V, resolution 0.1 V, ±(1.0% of reading + 5 digits)
AC Current: 0–500 A, resolution 1 A, ±(3.5% of reading + 5 digits)
Resistance: 0–20 MΩ, resolution 10 kΩ, ±(1.5% of reading + 5 digits)
Capacitance: 0–200 μF, resolution 0.1 μF, ±(3.5% of reading + 8 digits)
Maximum count: 2000
Maximum jaw opening: approx. 30 mm
Dimensions: 183 × 65 × 32 mm
Weight: 133 g
Battery type: 2 × 1.5 V AAA
Auto power-off: Automatically switches off if no operation is detected within 15 minutes of switch-on
Housing material: ABS
Safety certification:    CE

[Accessories List]
Clamp meter × 1, Test leads × 1, 1.5V AAA batteries × 2, Packaging box × 1, Instruction manual × 1

[Applications]
Domestic electrical circuit maintenance and electrical safety testing
Electrical wiring and fault diagnosis
Industrial equipment maintenance and inspections
Appliance repairs and motor testing
DIY electronics projects and experiments