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Kasuga Nano Coulomb Meter

The NANO COULOMB METER is a pencil-type digital charge measuring instrument with which the excess dynamic charge on a semiconductor device, a leading cause of its static breakdown in the fabrication, inspection, assembly, and other processes, can be easily measured simply by applying the instrument's probe to its lead.


Excess dynamic charge (Q) can be determined from equation Q=CV by storing it in a capacitor (C) and measuring the voltage (V) between its terminals. The NANO COULOMB METER is a new type of charge measuring instrument designed to measure excess dynamic charge with its pencil-type probe in contact with the object of measurement.

Employs a probe measurement system which allows excess dynamic charge to be easily measured simply by bringing the probe into contact with the object of measurement.

The measured excess dynamic charge can be held or canceled at the mere touch of an electronic switch.

The probe tip of the pencil-type probe is a replaceable unit. The optimum type of probe tip can be selected according to the application.

The probe tip is of a spring type which enables measurements to be performed without damaging the object of measurement.

Compact, lightweight, and easy to operate, this instrument can be conveniently used in the field of production.


Detection Method : Capacitor charging method
Display system : Digital liquid crystal display
Measurement range : ±0.01 to ±9.99 nC(KQ-701)
±0.1 to ±9.99 nC(KQ-801)
Measurement accuracy : Within ±5%
Power : AAA alkaline dry cells (up to 4 hrs
of continuous use)
Dimensions and weight : [Main body] 118x70x25mm, 135g
[Probe] 154mm in lengthx14mm in
diam., 50g



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