ESA Coulochem III Detector CLEARANCE! As-Is

The ESA Coulochem III Detector is an electrochemical detection unit that maintains high sensitivity. It optimizes the detector for the low signal in DC, achieving high sensitivity from capillary to normal bore chromatography.  To optimize the application of potentials and duration of waveforms, the pulse mode enhances variable timing. Scan mode aids the selection of the optimal potentials.

Manufacture Specification 

- Detector Configuration: DC potentiostat for 1 or 2 cells and Potentiostat for Guard Cell and/or Scan Mode/Pulse Mode
- Operating Modes: DC, Pulse, Scan (Time Line method can be attached to DC and Pulse methods)
- Potential Range: ± 2000 mV in 1 mV steps
- Full Scale Current Range: 10 pA to 1 mA in 1-2-5 sequence (DC Mode)
- Filter Time Constants: 0.2 to 10 seconds in 1-2-5 sequence (DC mode)
- Typical Noise: < 750 fA (0.75 pA) with a 500 MΩ, 0.47 µF test load and a 2 second filter (DC Mode)
- Signal Output: ± 100 mV, ± 1 V
- Output Resolution: 24 bit bipolar
- Guard Cell Potential: ± 2000 mV in 1 mV steps
- Event Marker: Triggered by front panel keypad, timed operation or RS-232C control
- Autozero: Triggered by front panel keypad, rear panel contact closures, timed operation or RS-232C control
- Function Keys: Autozero, Event Marker, Cell On/Off, Run/Stop
- RS-232C Interface Capability: Full parametric instrument control of DC and Pulse
- Method Storage: Up to 25 methods (any combination of DC, Scan, Pulse and Time Line)