| Eicom HTEC-500, HPLC-Electrochemical Detecotor Specifications |
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System
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The degasser, pump and ECD are mounted in a temperature controlled cabinet. A manual injector is also included. |
| System Control |
Integrated central control |
| Materials in contact with solvents |
PEEK and FEP, Metal Free Materials |
| Flow line pressure resistance |
20 MPa |
|
Detector
(1st channel)
|
Amperometric DC mode |
|
Detector
(2nd channel) Option
|
Coulometric ECD or UV/Vis detection |
| Dimensions |
250 (w) x 399 (h) x 365 (d) mm/approx 10" x 16" x 14.5" |
| Weight |
18 kg with amperometric detector cell/40 lb |
|
|
Electrochemical Detection
(1st channel)
|
Expandable for second channel with model EPC-510 |
| Principle |
Amperometric DC mode |
| Applied potential range |
0 to +/- 2000 mV, 1 mV steps |
| Integrator output range |
Auto-zero point +/- 5 V, 0.1 nA/1 mV |
| Auto-zero working range |
+/- 500 nA |
| Detector Cell |
Easy Open/Close with constant pressure system |
| Working Electrode |
Exchangeable disk |
| Standard Working Electrode |
Graphite, S/N 250% improved from glassy carbon |
| Working Electrode Options |
Platinum, Modified Gold, Pure Graphite, Glassy Carbon, Silver |
| Surface Volume of Working Electrode |
Changeable, 25 or 50 µm thickness with 3.5 or 7 mm width |
| Reference Electrode Material |
Ag/AgCl, Solid Phase |
| Counter Electrode Material |
Stainless Steel 316 |
| Time Constant Filter |
1.0/1.5/3 min |
| Noise Level |
Less than 3 pA with dummy flow of R-W 1 MΩ R-C 2 MΩ at 0 mV |
|
| High Performance Pump |
|
| Single stroke replacement volume |
4 µl, Φ2 x1.3 mm stroke |
| Principle |
Isocratic, reciprocal dual piston pump |
| Pulsation control |
Controllable On/Off capability. Computer programmed auto-quenching pulse system by variable stroke speed drive during each stroke. |
| Pistons material |
Sapphire Glass |
| Check valves |
Φ1/16" two check valves at the outlet and a single valve at the inlet |
| Piton seal |
High density polyethylene, Teflon® also available |
| Flow rate range |
0 to 750 µl/min |
| Pulse damper |
Not required |
| Error monitor |
Over pressure limit error, check valve error, motor error |
|
| Thermoregulation |
|
| Temperature control range |
20-45°C at 25°C ambient |
| Control procedure |
Peltier element to both cool and heat |
|
| Solvent Degassing Unit |
|
| Principle |
Online |
| Channel |
Two |
| Internal volume |
Ch1 300 µl/Ch2 7.5 ml |
|
| Communication |
All connectors are easy to access outside the component |
| ECD integrator out |
Analog, 0.1 nA = 1 mV, 10 V full range |
| Pump pressure monitor out |
Analog, 10 MPa = 100 mV |
| Temperature monitor out |
Analog 10°C = 100 mV. |
| Pump error out |
1.0 sec contact closure signal out. Works to stop autosampler. |
| Stop/Run outer trigger in |
Stop/Run ECD and pump unit. 0.5 sec contact closure signal in. Works for auto stop and auto start. Main power required to be on to receive the signal. |
| Auto-zero trigger in |
Runs auto-zero, 0.5 sec contact closure signal in |
| Manual injector switching signal in |
After receiving the signal, the delay out sends signal out. |
| Inject Signal in |
After receiving the signal, the delay out sends signal out. Works to communicate with an autosampler. |
| Delay out |
2 ports. 0 and 3 sec delay with 1.0 sec contact closure signal. |
| The specification are subject to change without notice.
|
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HTEC-500 Complete
Stand-Alone HPLC-ECD (Electrochemical Detector)
Inside View
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