This EG G Princeton Applied Research Electrochemical Detector Model 400 is in real good condition and guaranteed to functions 100%. It came from a local lab that was upgrading equipment and we can accept pay pal or your credit card. Please contact me with any questions. EG G Princeton Applied Research Electrochemical (EC) Detector Model: 400 The EG G Princeton Applied Research (PARC) Model 400 is a proven reliable instrument. It is an Electrochemical EC Detector. The Model 400 contains an internal dummy cell that allows the user to simulate a measurement without using a live cell. The unit has a front row of lights including: • Potential OVLD • Current OVLD • Comm Error • Run • Cell On There is also a numerical keypad and a Mode / Function Keypad. On the rear of the unit is: • (2) Analog Monitor Connectors • (2) Output Connector Channels, Each with 1 V and 10 mW Outputs • (1) Auxilary Output • (1) Digital I/O Connector • GND and N.C. Connections Product Family: PAR, PARC, 400, Model 400, 420, Model 420 Track Page Views With Auctiva's FREE Counter