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Differences in brief



eLockIn204

eLockIn204/2

eLockIn203

Inputs Single Input
A		 Dual Input
A, A-B and A&B		 Dual Input
A, A-B and A&B

Input impedance 100 kΩ || 20 pF 100 kΩ || 20 pF 1 MΩ || 10 pF

Frequency Range
 10 mHz ... 2 MHz * 10 mHz ... 2 MHz * 10 mHz ... 250 kHz

Optional I/U converter Yes On request On request
List Price 6250 Eur 6900 Eur 4900 Eur

* You can work up to 2 MHz in spectra acquisition, however the lockin function is calibrated only up to 1 MHz.