Dionex ED-40 Laboratory HPLC Electrochemical Detector



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Web Information

The Dionex ED 40 Electrochemical Detector has three modes: Conductivity, DC amperometry, and integrated amperometry modes.




0.01 µS to 3000 µS, full scale (Conductivity)

50 pC to 200 µC (Integrated Amperometry)

50 pA to 300 µA (DC Amperometry)

Temperature Compensation

0.0 to 3.0% per ºC (Conductivity)

Cell Drive

Variable 8 kHz square wave (Conductivity)

±2.04 V (DC and Integrated Amperometry)

Local Operation

Front panel controls and display status of all functions.

Remote Operation

Control of 4 of 7 functions via TTL or Relay contacts.

Cell Body


Active Volume

1.0 µL

Maximum Pressure

2.0 mPa (300 psi)


316 stainless steel

(Amperometry) cell body


(Amperometry) Active volume

∼ 0.2 µL

(Amperometry) Maximum Pressure

0.7 mPa (100 psi)

(Amperometry) Working Electrodes

Gold, Silver, Platinum, Glassy Carbon

(Amperometry) Reference Electrode

Combination pH–Ag/AgCl


Used. Removed from working environment due to lab upgrade.  Passes functional tests.

NOTE: We have multiple units available. Serial numbers vary.



  • Dionex ED40 Electrochemical Detector
  • Power cable


30 Day warranty. We pledge to offer the best service and warranty to all of our customers! We are extending a 30 Day warranty on this item. This is our way of saying thank you for allowing us to serve you.


This is a genuine product from this manufacturer.


Regardless of the origin of the equipment, documentation provided or identification appearing upon the equipment, the equipment described and offered here is in no way certified for, recommended for, or offered for any specific use. The purchaser agrees that the seller shall not be held responsible or liable for any injuries or damages, whether incidental or consequential, associated in any way with the equipment. The purchaser, by bidding on this equipment, indicates their acknowledgment of, and agreement to the terms of this disclaimer. it is the purchaser's responsibility to have the item inspected and certified by a qualified professional before use!