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A current probe has to match the scope input: range, bandwidth and connector all decide - SIGLENT AC/DC current clamp option
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RMB 5,564.00
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About this product
This is an accessory clamp for SIGLENT oscilloscopes: it measures current by closing around a conductor, so you can look at inrush current, switching ripple or motor start-up without breaking the circuit. Three numbers decide whether it works for your measurement. Range sets the smallest and largest current you can read with useful resolution: too small a range clips the waveform, too large a range buries a small signal in noise. Bandwidth sets what frequency content survives, and a switching supply needs far more than a mains-frequency measurement. Connector and powering must match the scope: most current clamps present a BNC output, but some need a probe-power socket rather than a plain input. This listing does not state the model, the range or the bandwidth, so ask the seller for those three figures and confirm they cover the current you intend to measure.
Product images
Pros & cons
Pros
- Clamps around a live conductor, so you measure without cutting or desoldering
- Reads both AC and DC, which a plain current transformer clamp cannot
- Made as a SIGLENT option, so scaling and connector follow the scope family
- Saves assembling a shunt plus isolation amplifier for routine current work
Cons
- Model, range and bandwidth are not stated, so the fit is unknown until you ask
- A clamp that exceeds your scope's input rating can damage the front end
- Needs probe power or a compatible input; a bare BNC socket may not be enough
- Price is high for a single accessory, justified only if you measure current regularly
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