Products > Electrochemical Dilatometer

ECD-1

Electrochemical Dilatometer

for the measurement of height changes in

aprotic as well as aqueous electrolytes

ECD-nano

High Precision Dilatometer

for the measurement of height changes in

aprotic as well as aqueous electrolyte

Comparison ECD-1 vs. ECD-nano

ECD-1and ECD-nano share the the same electrochemical test cell. They differ in the sensor/load unit that is attached on top of the working electrode.

With the ECD-1 the electrode displacement is measured with an LVDT-sensor, while the new ECD-nano utilizes a capacitive parallel-plate sensor system. Still, with its large-range LVDT sensor, the ECD-1 is the right choice for test specimens with overall dimensional changes in the range of 5 to 500 micrometers. As the distinct advantage, the new ECD-nano provides a much better resolution below 5 nanometers (against 50 nm for the ECD-1).


Displacement ECD-1 ECD-nano
Sensor LVDT Capacitive
Range 500 micrometer 100 micrometer
Resolution ≤50 nanometer ≤5 nanometer
Bandwidth ≥10 Hz ≥10 Hz
Drift (sample-free) ≤0.1 my/ hour ≤0.02my/ hour
Test specimen Bound electrodes, single crystals/grains, binder-free powder

Diameter ≤10 mm, thickness ≤1 mm
Load on test specimen 3 N or 10 N 10 N fixed;

optional 1 to 10 N (Flexload)
Chemical compatibility Aprotic organic electrolytes; optional aqueous electrolytes
Construction materials

in media contact

 Aprotic: Ti, 1.4404, Ni, PEEK, EPDM

Aqueous (optional): Au, PEEK, EPDM
Cell electrolyte volume ≤3 mL
Temperature range -20 to 80°C
Electrode configurations 2-electrode, 3-electrode (reference), auxiliary