FLUKE 381 CALIBRATION and FLUKE 381 REPAIR
 
A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the FLUKE 381 Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

 

 
   FLUKE 381   Description / Specification:    
FLUKE 381 2500 Amp AC/DC True RMS Clamp Meter

The Fluke 381 Clamp Meter with a detachable, remote display and iFlex flexible current probe makes for easier, faster, safer measurements. Clamp the Fluke 381 around a conductor, remove the display and walk across the room to operate controls or remove protective equipment, all while watching real-time readings. The iFlex flexible current probe expands the measurement range to 2500 A ac while providing increased display flexibility, ability to measure awkward sized conductors and improved wire access. The Fluke 381 features CAT IV 600 V, CAT III 1000 V Safety ratings, an integrated low pass filter and state of the art signal processing allows for use in noisy electrical environments while providing stable readings, and proprietary inrush measurement technology to filter out noise and capture motor starting current exactly as the circuit protection sees it.
Specifications.

True RMS: Yes.
Maximum Current AC: 2500 A.
Maximum Current DC: 999.9 A.
Maximum Voltage AC: 1000 V.
Maximum Voltage DC: 1000 V.
Maximum Conductor Size: 1 IN.
Resistance: Yes.
Capacitance: No.
Auto Ranging/Manual: Auto Ranging.
In-Rush Current: Yes.



 



Related Bench Equipment Terms and Definitions. For a complete list go to our  Terms and Definitions Page.

Clipping
Clipping is the limiting of a signal so that it never exceeds some threshold.

Line Regulation
Line regulation is the capability to maintain a constant output voltage level on the output channel of a power supply despite changes to the input voltage level.

Peak Envelope Power
Peak envelope power is the maximum value of the envelope power. Envelope power is measured by making the averaging time much less than 1/fm where fm is the maximum frequency component of the modulation waveform. The averaging time is therefore limited on both ends: (1) it must be small compared to the period of the highest modulation frequency, and (2) it must be large enough to be many RF cycles long.

RMS
RMS or root mean square is a statistical measure of the magnitude of a varying quantity

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