First i want to explain,I own a 454AESU analyzer and it is currently working fine,Fluke Biomedical stopped supporting it in 2007.I think it is a very good ESU analyzer,Easy to use, excellent display, accurate measurement,As a metering device, regular calibration is required.Let me know if you know how to calibrate it.
In addition, if you have its connection computer software, service manual, external test module, please contact me, I am looking for these materials.
Or your 454a host encounters a failure, you can contact me, I will do my best to help you
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