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P815UC- Hollow Cathode Lamp (HCL)- Thermo Fisher / Unicam – Dysprosium
353.00$Review Product Voltage Requirements Instrument To suit Thermo / Unicam Pin Type / Connectivity Seven (7) Pin ~ Coded Wavelength Primary Wavelength 421.2nm Alternative Wavelengths 404.6nm Optical Window material Quartz -
P815C – Hollow Cathode Lamp (HCL) – Agilent Coded – Dysprosium
343.00$Instrument To suit Varian / GBC Scientific Pin Type / Connectivity Four (4) Pin ~ Coded Wavelength Primary Wavelength 421.2nm Alternative Wavelengths 404.6nm Optical Window material Quartz -
P815 – Hollow Cathode Lamp (HCL) – Dysprosium
313.00$Review Product Voltage Requirements Instrument To suit all AAS (Atomic Absorption Spectroscopy Instruments) Pin Type / Connectivity Two (2) Pin ~ Standard Wavelength Primary Wavelength 421.2nm Alternative Wavelengths 404.6nm Optical Window material Quartz -
P814UC- Hollow Cathode Lamp (HCL)- Thermo Fisher / Unicam – Copper
280.00$Review Product Voltage Requirements Instrument To suit Thermo / Unicam Pin Type / Connectivity Seven (7) Pin ~ Coded Wavelength Primary Wavelength 324.8nm Alternative Wavelengths 217.9nm ~ 218.2nm Optical Window material Quartz -
P814C – Hollow Cathode Lamp (HCL) – Agilent Coded – Copper
270.00$Instrument To suit Varian / GBC Scientific Pin Type / Connectivity Four (4) Pin ~ Coded Wavelength Primary Wavelength 324.8nm Alternative Wavelengths 217.9nm ~ 218.2nm Optical Window material Quartz -
P814 – Hollow Cathode Lamp (HCL) – Copper
240.00$Review Product Voltage Requirements Instrument To suit all AAS (Atomic Absorption Spectroscopy Instruments) Pin Type / Connectivity Two (2) Pin ~ Standard Wavelength Primary Wavelength 324.8nm Alternative Wavelengths 217.9nm ~ 218.2nm Optical Window material Quartz -
P813UC – Hollow Cathode Lamp (HCL) – Thermo Fisher / Unicam – Cobalt
299.00$Review Product Voltage Requirements Instrument To suit Thermo / Unicam Pin Type / Connectivity Seven (7) Pin ~ Coded Wavelength Primary Wavelength 240.7nm Alternative Wavelengths 304.4nm Optical Window material Quartz -
P813C – Hollow Cathode Lamp (HCL) – Agilent Coded – Cobalt
302.00$Instrument To suit Varian / GBC Scientific Pin Type / Connectivity Four (4) Pin ~ Coded Wavelength Primary Wavelength 240.7nm Alternative Wavelengths 304.4nm Optical Window material Quartz -
P813 – Hollow Cathode Lamp (HCL) – Cobalt
272.00$Review Product Voltage Requirements Instrument To suit all AAS (Atomic Absorption Spectroscopy Instruments) Pin Type / Connectivity Two (2) Pin ~ Standard Wavelength Primary Wavelength 240.7nm Alternative Wavelengths 304.4nm Optical Window material Quartz -
P812UC- Hollow Cathode Lamp (HCL)- Thermo Fisher / Unicam – Chromium
299.00$Review Product Voltage Requirements Instrument To suit Thermo / Unicam Pin Type / Connectivity Seven (7) Pin ~ Coded Wavelength Primary Wavelength 357.9nm Alternative Wavelengths 425.4 ~ 427.5nm Optical Window material Quartz -
P812C – Hollow Cathode Lamp (HCL) – Agilent Coded – Chromium
299.00$Instrument To suit Varian / GBC Scientific Pin Type / Connectivity Four (4) Pin ~ Coded Wavelength Primary Wavelength 357.9nm Alternative Wavelengths 425.4 ~ 427.5nm Optical Window material Quartz -
P812 – Hollow Cathode Lamp (HCL) – Chromium
260.00$Review Product Voltage Requirements Instrument To suit all AAS (Atomic Absorption Spectroscopy Instruments) Pin Type / Connectivity Two (2) Pin ~ Standard Wavelength Primary Wavelength 357.9nm Alternative Wavelengths 425.4 ~ 427.5nm Optical Window material Quartz -
P811UC- Hollow Cathode Lamp (HCL)- Thermo Fisher / Unicam – Cerium
353.00$Review Product Voltage Requirements Instrument To suit Thermo / Unicam Pin Type / Connectivity Seven (7) Pin ~ Coded Wavelength Primary Wavelength 520.0nm Alternative Wavelengths 569.7nm Optical Window material Quartz -
P811C – Hollow Cathode Lamp (HCL) – Agilent Coded – Cerium
343.00$Instrument To suit Varian / GBC Scientific Pin Type / Connectivity Four (4) Pin ~ Coded Wavelength Primary Wavelength 520.0nm Alternative Wavelengths 569.7nm Optical Window material Quartz -
P811 – Hollow Cathode Lamp (HCL) – Cerium
313.00$Review Product Voltage Requirements Instrument To suit all AAS (Atomic Absorption Spectroscopy Instruments) Pin Type / Connectivity Two (2) Pin ~ Standard Wavelength Primary Wavelength 520.0nm Alternative Wavelengths 569.7nm Optical Window material Quartz -
P810UC- Hollow Cathode Lamp (HCL)- Thermo Fisher / Unicam – Cesium
353.00$Review Product Voltage Requirements Instrument To suit Thermo / Unicam Pin Type / Connectivity Seven (7) Pin ~ Coded Wavelength Primary Wavelength 852.1nm Alternative Wavelengths 455.6nm Optical Window material Quartz -
P810C – Hollow Cathode Lamp (HCL) – Agilent Coded – Cesium
343.00$Instrument To suit Varian / GBC Scientific Pin Type / Connectivity Four (4) Pin ~ Coded Wavelength Primary Wavelength 852.1nm Alternative Wavelengths 455.6nm Optical Window material Quartz -
P810 – Hollow Cathode Lamp (HCL) – Cesium
313.00$Review Product Voltage Requirements Instrument To suit all AAS (Atomic Absorption Spectroscopy Instruments) Pin Type / Connectivity Two (2) Pin ~ Standard Wavelength Primary Wavelength 852.1nm Alternative Wavelengths 455.6nm Optical Window material Quartz -
P809UC – Hollow Cathode Lamp (HCL) – Thermo Fisher / Unicam – Calcium
299.00$Review Product Voltage Requirements Instrument To suit Thermo / Unicam Pin Type / Connectivity Seven (7) Pin ~ Coded Wavelength Primary Wavelength 422.7nm Alternative Wavelengths 239.9nm Optical Window material Quartz -
P809ST – Optogalvanic (See Through Hollow Cathode Lamp HCL) – Calcium
4,400.00$Optogalvanic Lamps or See Through Hollow Cathode Lamps (HCL) are designed to act as a frequency stable reference for high intensity tuneable monochromatic light sources, particularly lasers. Most of the cathode materials used in standard hollow cathode lamps may be used in the “see-through” design. We can also offer a range… -
P809ST – Optogalvanic (See Through Hollow Cathode Lamp HCL) – Calcium
4,400.00$Optogalvanic Lamps or See Through Hollow Cathode Lamps (HCL) are designed to act as a frequency stable reference for high intensity tuneable monochromatic light sources, particularly lasers. Most of the cathode materials used in standard hollow cathode lamps may be used in the “see-through” design. We can also offer a range… -
P809C – Hollow Cathode Lamp (HCL) – Agilent Coded – Calcium
302.00$Instrument To suit Varian / GBC Scientific Pin Type / Connectivity Four (4) Pin ~ Coded Wavelength Primary Wavelength 422.7nm Alternative Wavelengths 239.9nm Optical Window material Quartz -
P809 – Hollow Cathode Lamp (HCL) – Calcium
272.00$Review Product Voltage Requirements Instrument To suit all AAS (Atomic Absorption Spectroscopy Instruments) Pin Type / Connectivity Two (2) Pin ~ Standard Wavelength Primary Wavelength 422.7nm Alternative Wavelengths 239.9nm Optical Window material Quartz -
P808UC – Hollow Cathode Lamp (HCL) – Thermo Fisher / Unicam – Cadmium
299.00$Instrument To suit Thermo / Unicam Pin Type / Connectivity Seven (7) Pin ~ Coded Wavelength Primary Wavelength 228.8nm Alternative Wavelengths 326.1nm Optical Window material Quartz -
P808C – Hollow Cathode Lamp (HCL) – Agilent Coded – Cadmium
302.00$Instrument To suit Varian / GBC Scientific Pin Type / Connectivity Four (4) Pin ~ Coded Wavelength Primary Wavelength 228.8nm Alternative Wavelengths 326.1nm Optical Window material Quartz -
P808 – Hollow Cathode Lamp (HCL) – Cadmium
272.00$Review Product Voltage Requirements Instrument To suit all AAS (Atomic Absorption Spectroscopy Instruments) Pin Type / Connectivity Two (2) Pin ~ Standard Wavelength Primary Wavelength 228.8nm Alternative Wavelengths 326.1nm Optical Window material Quartz -
P807UC – Hollow Cathode Lamp (HCL) – Thermo Fisher / Unicam – Boron
299.00$Review Product Voltage Requirements Instrument To suit Thermo / Unicam Pin Type / Connectivity Seven (7) Pin ~ Coded Wavelength Primary Wavelength 24.8nm Alternative Wavelengths 208.9nm Optical Window material Quartz -
P807C – Hollow Cathode Lamp (HCL) – Agilent Coded – Boron
302.00$Instrument To suit Varian / GBC Scientific Pin Type / Connectivity Four (4) Pin ~ Coded Wavelength Primary Wavelength 24.8nm Alternative Wavelengths 208.9nm Optical Window material Quartz -
P807 – Hollow Cathode Lamp (HCL) – Boron
272.00$Review Product Voltage Requirements Instrument To suit all AAS (Atomic Absorption Spectroscopy Instruments) Pin Type / Connectivity Two (2) Pin ~ Standard Wavelength Primary Wavelength 24.8nm Alternative Wavelengths 208.9nm Optical Window material Quartz -
P806UC- Hollow Cathode Lamp (HCL)- Thermo Fisher / Unicam – Bismuth
299.00$Review Product Voltage Requirements Instrument To suit Thermo / Unicam Pin Type / Connectivity Seven (7) Pin ~ Coded Wavelength Primary Wavelength 223.1nm Alternative Wavelengths 22.8 ~ 227.7nm Optical Window material Quartz -
P806C – Hollow Cathode Lamp (HCL) – Agilent Coded – Bismuth
299.00$Instrument To suit Varian / GBC Scientific Pin Type / Connectivity Four (4) Pin ~ Coded Wavelength Primary Wavelength 223.1nm Alternative Wavelengths 22.8 ~ 227.7nm Optical Window material Quartz -
P806 – Hollow Cathode Lamp (HCL) – Bismuth
272.00$Review Product Voltage Requirements Instrument To suit all AAS (Atomic Absorption Spectroscopy Instruments) Pin Type / Connectivity Two (2) Pin ~ Standard Wavelength Primary Wavelength 223.1nm Alternative Wavelengths 22.8 ~ 227.7nm Optical Window material Quartz -
P805UC- Hollow Cathode Lamp (HCL)- Thermo Fisher / Unicam – Beryllium
457.00$Review Product Voltage Requirements Instrument To suit Thermo / Unicam Pin Type / Connectivity Seven (7) Pin ~ Coded Wavelength Primary Wavelength 234.9nm Alternative Wavelengths None Optical Window material Quartz -
P805C – Hollow Cathode Lamp (HCL) – Agilent Coded – Beryllium
447.00$Instrument To suit Varian / GBC Scientific Pin Type / Connectivity Four (4) Pin ~ Coded Wavelength Primary Wavelength 234.9nm Alternative Wavelengths None Optical Window material Quartz -
P805 – Hollow Cathode Lamp (HCL) – Beryllium
417.00$Review Product Voltage Requirements Instrument To suit all AAS (Atomic Absorption Spectroscopy Instruments) Pin Type / Connectivity Two (2) Pin ~ Standard Wavelength Primary Wavelength 234.9nm Alternative Wavelengths None Optical Window material Quartz -
P803UC – Hollow Cathode Lamp (HCL) – Thermo Fisher / Unicam – Arsenic
358.00$Review Product Voltage Requirements Instrument To suit Thermo / Unicam Pin Type / Connectivity Seven (7) Pin ~ Coded Wavelength Primary Wavelength 193.7nm Alternative Wavelengths 189.0 ~ 197.2nm Optical Window material Quartz -
P803T – Hollow Cathode Lamp (HCL) – Arsenic [Tubular]
385.00$Review Product Voltage Requirements Instrument To suit all AAS (Atomic Absorption Spectroscopy Instruments) Additional Information Photron's opto-galvanic see-through lamp has been developed for higher intensity then our Standard Range Hollow Cathode Lamps There is no requirement for an additional power supply and suits all AA instruments. Pin Type / Connectivity… -
P803S – Super Lamp – Arsenic
469.00$Improvement in Detection Limit 5x times the improvement over standard Hollow Cathode Lamps Wavelength Primary Wavelength 193.7nm Optical Window material Quartz -
P803C – Hollow Cathode Lamp (HCL) – Agilent Coded – Arsenic
348.00$Instrument To suit Varian / GBC Scientific Pin Type / Connectivity Four (4) Pin ~ Coded Wavelength Primary Wavelength 193.7nm Alternative Wavelengths 189.0 ~ 197.2nm Optical Window material Quartz -
P803 – Hollow Cathode Lamp (HCL) – Arsenic
318.00$Review Product Voltage Requirements Instrument To suit all AAS (Atomic Absorption Spectroscopy Instruments) Pin Type / Connectivity Two (2) Pin ~ Standard Wavelength Primary Wavelength 193.7nm Alternative Wavelengths 189.0 ~ 197.2nm Optical Window material Quartz -
P802UC- Hollow Cathode Lamp (HCL)- Thermo Fisher / Unicam – Antimony
299.00$Review Product Voltage Requirements Instrument To suit Thermo / Unicam Pin Type / Connectivity Seven (7) Pin ~ Coded Wavelength Primary Wavelength 217.6nm Alternative Wavelengths 206.8 ~ 217.9nm Optical Window material Quartz -
P802S-10C – Super lamp – Antimony
469.00$Review Product Voltage Requirements Instrument To suit all AAS (Atomic Absorption Spectroscopy Instruments) Pin Type / Connectivity 6 Pin / Octal Base Improvement in Detection Limit 15x times the improvement over standard Hollow Cathode Lamps Wavelength Primary Wavelength 217.6nm Optical Window material Quartz Warranty Photron's warranty information can be viewed here -
P802S – Super Lamp – Antimony
469.00$Review Product Voltage Requirements Instrument To suit all AAS (Atomic Absorption Spectroscopy Instruments) Pin Type / Connectivity 4 Pin / Octal Base Improvement in Detection Limit 15x times the improvement over standard Hollow Cathode Lamps Wavelength Primary Wavelength 217.6nm Optical Window material Quartz Warranty Photron's warranty information can be viewed here -
P802C – Hollow Cathode Lamp (HCL) – Agilent Coded – Antimony
299.00$Instrument To suit Varian / GBC Scientific Pin Type / Connectivity Four (4) Pin ~ Coded Wavelength Primary Wavelength 217.6nm Alternative Wavelengths 206.8 ~ 217.9nm Optical Window material Quartz -
P802 – Hollow Cathode Lamp (HCL) – Antimony
270.00$Review Product Voltage Requirements Instrument To suit all AAS (Atomic Absorption Spectroscopy Instruments) Pin Type / Connectivity Two (2) Pin ~ Standard Wavelength Primary Wavelength 217.6nm Alternative Wavelengths 206.8 ~ 217.9nm Optical Window material Quartz -
P801UC – Hollow Cathode Lamp (HCL) – Thermo Fisher / Unicam – Aluminium
280.00$Review Product Voltage Requirements Instrument To suit Thermo / Unicam Pin Type / Connectivity Seven (7) Pin ~ Coded Wavelength Primary Wavelength 396.2nm Alternative Wavelengths 308.2 ~ 309.3 Optical Window material Quartz Warranty Photron's warranty information can be viewed here -
P801C – Hollow Cathode Lamp (HCL) – Agilent Coded – Aluminium
270.00$Instrument To suit Varian / GBC Scientific Pin Type / Connectivity Four (4) Pin ~ Coded Wavelength Primary Wavelength 396.2nm Alternative Wavelengths 308.2 ~ 309.3 Optical Window material Quartz -
P801 – Hollow Cathode Lamp (HCL) – Aluminium
240.00$Review Product Voltage Requirements Instrument To suit all AAS (Atomic Absorption Spectroscopy Instruments) Pin Type / Connectivity Two (2) Pin ~ Standard Wavelength Primary Wavelength 396.2nm Alternative Wavelengths 308.2 ~ 309.3 Optical Window material Quartz -
P748 – Deuterium Lamp
368.50$Download Product Datasheet Instrument Perkin Elmer AAnalyst 200/400 Electrical Filament / Heater Voltage Start 2.5 ~ 3.0 VDC Operating 1.5 ~ 2.0 VDC Filament / Heater Current 4.5A Max Discharge / Arc Voltage Strike @25°C >350 VDC Operating 60 - 90 VDC Discharge / Arc Current 10 -300mA Leads Black… -
P739 – Deuterium Lamp
319.00$Download Product Datasheet Instrument Thermo- Fisher, Solar 929 Electrical Filament / Heater Voltage Start 2.5 - 3.0 VDC Operating 1.5 - 2.0 Filament / Heater Current 4.5A Max Discharge / Arc Voltage Strike @25°C >350 VDC Operating 60 - 90 VDC Discharge / Arc Current 10 -300mA Leads Black Filament… -
P738 – Deuterium Lamp
398.00$Download Product Datasheet Instrument Thermo- Fisher, Solar M5,M6 Electrical Filament / Heater Voltage Start 2.5 - 3.0 VDC Operating 1.5 - 2.0 Filament / Heater Current 4.5A Max Discharge / Arc Voltage Strike @25°C >350 VDC Operating 60 - 90 VDC Discharge / Arc Current 10 -300mA Leads Black Filament… -
P737 – Deuterium Lamp
367.00$Download Product Datasheet Instrument Thermo- Fisher , Solar S4 Electrical Filament / Heater Voltage Start 2.5 - 3.0 VDC Operating 1.5 - 2.0 Filament / Heater Current 4.5A Max Discharge / Arc Voltage Strike @25°C >350 VDC Operating 60 - 90 VDC Discharge / Arc Current 10 -300mA Leads Black… -
P736 – Deuterium Lamp
336.00$Instrument Thermo Fisher: Helios & Aquamate range Electrical Filament / Heater Voltage Start 10 VDC Operating 5 - 7 VDC Filament / Heater Current 1.5A Max Discharge / Arc Voltage Strike @25°C >350 VDC Operating 60 - 90 VDC Discharge / Arc Current 10 -300mA Leads Black Filament & Cathode… -
P735 – Deuterium Lamp
352.00$Download Product Datasheet Instrument Perkin Elmer 4100, 2100, 1100(B) and Aanalyst 600/700/800 AA Spectrometers Electrical Filament / Heater Voltage Start 2.5 - 3.0 VDC Operating 1.5 - 2.0 Filament / Heater Current 4.5A Max Discharge / Arc Voltage Strike @25°C >350 VDC Operating 60 - 90 VDC Discharge / Arc… -
P733 – Deuterium Lamp
398.00$Download Product Datasheet Instrument Waters - 996 Electrical Filament / Heater Voltage Start 2.5 - 3.0 VDC Operating 1.5 - 2.0 Filament / Heater Current 4.5A Max Discharge / Arc Voltage Strike @25°C >350 VDC Operating 60 - 90 VDC Discharge / Arc Current 10 -300mA Leads Black Filament &… -
P729 – Deuterium Lamp
319.00$Download Product Datasheet Instrument Perkin Elmer Electrical Filament / Heater Voltage Start 10 VDC Operating 5 - 7 VDC Filament / Heater Current 1.5A Max Discharge / Arc Voltage Strike @25°C >350 VDC Operating 60 - 90 VDC Discharge / Arc Current 10 -300mA Leads Black Filament & Cathode Red… -
P726 – Deuterium Lamp
287.00$Download Product Datasheet Instrument Jasco 7800 Electrical Filament / Heater Voltage Start 2.5 - 3.0 VDC Operating 1.5 - 2.0 Filament / Heater Current 4.5A Max Discharge / Arc Voltage Strike @25°C >350 VDC Operating 60 - 90 VDC Discharge / Arc Current 10 -300mA Terminals Octal Connector Optical Window… -
P721 – Deuterium Lamp
398.00$Download Product Datasheet Instrument Agilent (Hewett Packard) Electrical Filament / Heater Voltage Start 2.5 - 3.0 VDC Operating 1.5 - 2.0 Filament / Heater Current 4.5A Max Discharge / Arc Voltage Strike @25°C >350 VDC Operating 60 - 90 VDC Discharge / Arc Current 10 -300mA Leads Black Filament &… -
P719 – Deuterium Lamp
299.00$Download Product Datasheet Instrument Shimazdu AA-670 AA-670G AA-6200 AA-6300 AA-6500 AA-6800 CS-920 CS-930 CS-900 Electrical Filament / Heater Voltage Start 2.5 - 3.0 VDC Operating 1.5 - 2.0 Filament / Heater Current 4.5A Max Discharge / Arc Voltage Strike @25°C >350 VDC Operating 60 - 90 VDC Discharge / Arc… -
P718 – Deuterium Lamp
287.00$Download Product Datasheet Instrument Perkin Elmer Electrical Filament / Heater Voltage Start 10 VDC Operating 5 - 7 VDC Filament / Heater Current 1.5A Max Discharge / Arc Voltage Strike @25°C >350 VDC Operating 60 - 90 VDC Discharge / Arc Current 10 -300mA Leads Black Filament & Cathode Red… -
P717 – Deuterium Lamp (Bare Lamp)
319.00$Instrument Bas / GBC Scientific Electrical Filament / Heater Voltage Start 10 VDC Operating 5 - 7 VDC Filament / Heater Current 1.5A Max Discharge / Arc Voltage Strike @25°C >350 VDC Operating 60 - 90 VDC Discharge / Arc Current 10 -300mA Leads Black Filament & Cathode Red Anode… -
P716A – Deuterium Lamp
454.30$Download Product Datasheet Instrument Waters 486 & Waters 486LC Electrical Filament / Heater Voltage Start 2.5 - 3.0 VDC Operating 1.5 - 2.0 Filament / Heater Current 4.5A Max Discharge / Arc Voltage Strike @25°C >350 VDC Operating 60 - 90 VDC Discharge / Arc Current 10 -300mA Leads Black… -
P716 – Deuterium Lamp
352.00$Download Product Datasheet Instrument Waters Electrical Filament / Heater Voltage Start 2.5 - 3.0 VDC Operating 1.5 - 2.0 Filament / Heater Current 4.5A Max Discharge / Arc Voltage Strike @25°C >350 VDC Operating 60 - 90 VDC Discharge / Arc Current 10 -300mA Leads Black Filament & Cathode Red… -
P715 – Deuterium Lamp
287.00$Download Product Datasheet Instrument Varian Electrical Filament / Heater Voltage Start 10 VDC Operating 5 - 7 VDC Filament / Heater Current 1.5A Max Discharge / Arc Voltage Strike @25°C >350 VDC Operating 60 - 90 VDC Discharge / Arc Current 10 -300mA Leads Black Filament & Cathode Red Anode… -
P714 – Deuterium Lamp
287.00$Download Product Datasheet Instrument Spectra Physics Electrical Filament / Heater Voltage Start 2.5 - 3.0 VDC Operating 1.5 - 2.0 Filament / Heater Current 4.5A Max Discharge / Arc Voltage Strike @25°C >350 VDC Operating 60 - 90 VDC Discharge / Arc Current 10 -300mA Leads Black Filament & Cathode… -
P712 – Deuterium Lamp
349.00$Download Product Datasheet Instrument Perkin Elmer Electrical Filament / Heater Voltage Start 10 VDC Operating 5 - 7 VDC Filament / Heater Current 1.5A Max Discharge / Arc Voltage Strike @25°C >350 VDC Operating 60 - 90 VDC Discharge / Arc Current 10 -300mA Leads Black Filament & Cathode Red… -
P706 – Deuterium Lamp
287.00$Download Product Datasheet Instrument Varian Electrical Filament / Heater Voltage Start 10 VDC Operating 5 - 7 VDC Filament / Heater Current 1.5A Max Discharge / Arc Voltage Strike @25°C >350 VDC Operating 60 - 90 VDC Discharge / Arc Current 10 -300mA Leads Black Filament & Cathode Red Anode…












































































































































