Measurement of fuel cell impedance characteristics using AC impedance measurement Capability to measure cells of up to 20 V in the range of 10 mHz to 10 kHz Two constant current mode ranges - 30 A and 5 A - supported as the load rating Load current setting resolutions of 1 mA (30 A range) and 0.1 mA (5 A range) with maximum power consumption of 60 W Various protection functions Equipped with GPIB, RS-232C and USB interfaces as standard

Fuel cell characteristic, variation, and service life testing can be done with ease! KFM2030 l Equipped with GPIB, RS-232C and USB interfaces as standard l Application software included The impedance meter KFM2030 is intended to enable the impedance characteristics of a fuel cell to be measured easily through the use of the AC impedance measurement method. Using the application software that comes with it, the meter can obtain impedance values at different frequencies by means of AC impedance measurement and display the obtained values in a Cole-Cole plot. With a low-power DC load (60 W) built...

Why is impedance measurement necessary? Not only fuel cells but also many other types of cells do not allow performance adjustment in the post-manufacturing stages. It is nonetheless necessary to run and test the cells in order to verify that they provide the expected levels of performance and meet the required specifications. However, running every manufactured cell for testing purposes is by no means easy. One way to examine the characteristics of individual cells in a short time is to conduct accurate impedance measurement. Knowing impedance characteristics provides clues as to the characteristics...

lKFM2030 specifications Impedance measurement part External control interface Measurement frequency �������� 10 mHz to 10 kHz Frequency resolution ������������� 14 points/decade - 1.00, 1.26, 1.58, 2.00, 2.51, 3.00, 3.16, 4.00, 5.00, 6.00, 6.30, 7.00, 8.00, 9.00 Measurement range*1 ������������ 165 mA range (60 mA AC rms): 30 mW, 100 mW, 300 mW, AUTO 500 mA range (180 mA AC rms): 10 mW, 30 mW, 100 mW, AUTO Measurement alternate current ��� 60 mA rms (165 mA range), 180 mA rms (500 mA range), OFF Measurement resolution �������� 10 mW range: 1 µ W 30 mW, 100 mW range: 10 µ W 300 mW range: 100 µ...