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Fluke I400S
i400s AC Current Clamp
High safety AC current clamp with BNC output
Companion to your scope or power quality meter to measure up to 400 A AC.
Only current clamp available with a CAT IV 600 V / CAT III 1000 V safety rating.
Specially designed to offer maximum utility in a compact shape.
Take accurate current readings without breaking the circuit.
Soft non-slippery overmold handle.
Optional PM9081/001 BNC/Banana adapter for DMM’s.
Two ranges: 40 A & 400 A, 10 & 1 mV/Amp output.
Max. conductor Ø 32 mm.
IN STOCK
Description
Fluke I400S
The i400s (hereafter called “Current Clamp”) is compatible with any instrument capable of ac millivolt measurements. It can accept a standard BNC connector, and has an input impedance of greater than or equal to 1 M e in parallel with a maximum of 47 pF. The Current Clamp can also be used with digital multimeters using a BNC-to-banana jack adapter.
Instrument Compatibility
The i400s is compatible with any Fluke Multimeter or any other current measurement device that has the following features:
- BNC or Banana inputs
- Input accuracy of 2 % or better to take full advantage of the accuracy of the Current Clamp.
- Input impedance of > 1 M Ω in parallel with up to 47 pF
Measurement Considerations - Center the conductor inside the Current Clamp jaw.
- Make sure the clamp is perpendicular to the conductor.
- For optimal reading, make sure the conductor is positioned between the alignment marks on the jaws of
the Current Clamp.
Observe the following guidelines when making measurements: - Avoid taking measurements close to other currentcarrying conductors.
Operation
To use the i400s, refer to “Measurement Considerations”
1. If necessary, add a banana plug to the BNC connector
on the i400s.
2. Connect the clamp cable to the instrument. If using an
adapter, use the common and volts inputs of the meter
and switch it on.
3. Make sure the clamp and the measurement instrument
are set to the proper range. Use the range select
switch on the clamp.
4. The arrow on the top of the clamp must face towards
the load of the circuit.
5. Connect the current clamp jaws around the conductor
to be measured.
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