Bioanalytical Systems 1214-PC1A Main Board
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Bioanalytical Systems 1214-PC1A Main Board

Part Number: 1214-PC1B

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Stock # 65447-2
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Bioanalytical Systems CGME Controlled Growth Mercury Electrode

  • Low Resistance
  • Easy Maintenance
  • Three Cell Modes - DME, SMDE, CGME
  • Wide Range of Drop Sizes


The Bioanalytical System CGME Controlled Growth Mercury Electrode was developed as an accessory for the BAS 100 series and CV-50W electrochemical analyzers. As such, the electrode functions, including stirring and purging can be controlled either remotely or manually. The CGME has its own power supply so it can be used with the CV-27 Voltammograph and many commercial and home built instruments as well. This easy to use electrode has the advantage of a reliable low-resistance electrical contact to the mercury filament. Its unique fast response valve permits precise incremental control of mercury to the forming drop. The design was engineered to minimize the chance of mercury spillage.

Mercury drop electrodes are generated by the BASi Controlled Growth Mercury Electrode (CGME) in three modes: DME (Dropping Mercury Electrode), SMDE (Static Mercury Drop Electrode), CGME (Controlled Growth Mercury Electrode). The CGME mode is available only on the BAS 100B/W and the CV-50W, whereas the SMDE mode is available with any PC- or microprocessor-controlled potentiostat (including the EC epsilon). The dispense and knock functions can also be manually controlled, so a Hanging Mercury Drop Electrode can be generated manually (e.g., for stripping experiments using the CV-27).

Product Family: CGME, DME, SMDE, CGME

Important Notice: Please note that any additional items included with this equipment such as accessories, manuals, cables, calibration data, software, etc. are specifically listed in the above stock item description and/or displayed in the photos of the equipment. Please contact one of our Customer Support Specialists if you have any questions about what is included with this equipment or if you require any additional information.

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Power110-120/220-240 VAC, 50/60 Hz, V-A 10 Watts
Main Fuse1.0 A Slow Blow at 110-120 VAC
0.5 A Slow Blow at 220-240 VAC
Inlet Gas Pressure5 psi maximum
Cell Modes CGME, SMDE, and DME
Operations Manual and remote control of mercury dispense; drop knocker; stir on/off; gas purge/blanket
Magnetic Stirrer 16 selectable rates from 50-800 rpm
Mercury Reservoir Sealed reservoir minimizes opportunity for mercury spills. Minimal use of metal parts within reservoir or capillary to avoid metal contamination.
Mercury Degassing Mercury degassing kit is included with purchase and includes a hand-actuated vacuum pump and accessories
Spill Management Spill tray and mercury pickup tool are included in the standard package
Standard Capillary 150 µm (0.006 ") ID. Large diameter reduces plugging and loss of electrode contact. Beveled tip design
Gas Purging 5 psi max. Needle valve controlled.
Cell Top Separate port in cell top for dispensing sample or reagents. Accommodates BASi voltammetry electrodes for use as a cell stand for voltammetry experiments.
Options 100 µm ID capillary
Faraday cage
Small volume and water-jacketed cell vials
SizeApproximately 7.25" (18 cm) wide x 9" (23 cm) deep x 16.5" (42 cm) high
WeightApproximately 13.5 lbs (6 kg)

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Bioanalytical Systems CGME Controlled Growth Mercury ElectrodeBioanalytical Systems CGME Controlled Growth Mercury ElectrodeBioanalytical Systems CGME Controlled Growth Mercury Electrode
Bioanalytical Systems CGME Controlled Growth Mercury ElectrodeBioanalytical Systems CGME Controlled Growth Mercury Electrode

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