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880 Frequency Response Analyzer
The Model 880 is a Frequency Response Analyzer (FRA) designed for Electrochemical Impedance Spectroscopy (EIS) and High Frequency Resistance (HFR) measurements. The 880 integrates with the electronic load used in Scribner’s 840 / 850e / 855 / 890e series of fuel cell test products. It is also available in the 857 Flow Cell Test System.
The 880 FRA and FuelCell® software facilitates continuous, single-frequency High Frequency Resistance and full-frequency range Electrochemical Impedance Spectroscopy analysis of an operating fuel cell. HFR can be performed concurrently with current interrupt (IR drop) measurement for orthogonal determination of the cell internal or ohmic resistance.
- Available in 840, 850e, 855 and 890e Multi Range Units
- Integrated Impedance Measurement to 10 kHz.
- The 880 FRA can be integrated with the Model 910 Multi-Channel Microelectrode Analyzer (MMA) for impedance spectroscopy of electrode and sensor arrays.
- HFR can be performed concurrently with current interrupt (IR drop) measurement for orthogonal determination of the cell internal or ohmic resistance.
- The 880 FRA and FuelCell® software facilitates continuous, single-frequency High Frequency Resistance (HFR) and full-frequency range Electrochemical Impedance Spectroscopy (EIS) analysis of an operating fuel cell.
- Instrument meets or exceeds the performance and accuracy requirements needed for all fuel cell testing applications.
| Specification: | Details |
|---|---|
| Generator Frequency Range: | 1 mHz to10 kHz |
| Frequency Error: | < 0.01% |
| Amplitude Range: | ±10 mV to ±3.000 V |
| Amplitude Resolution: | 1 part in 32,768 |
| Amplitude Error: | < 1% ± 1 digit |
| Distortion: | < 0.02% |
| Analyzer Type: | Quadrature method (digital correlation) |
| Input Ranges(RMS): | 30 mV, 300 mV, 3 V RMS |
| Full Scale Peak Input: | 50 mV, 500 mV, 5 V |
| Cross Channel Isolation: | > 100 dB |
| Measurement Time, minimum: | Longer of 1 cycle or 10 ms |
| Measurement Cycles: | Dependent on integration setting |
| Error Limits: | 0.5% Magnitude error (1 mHz to 10 kHz) / 0.5 ° Phase error (1 mHz to 10 kHz) |
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