This lens castle for Finnigan 4500 mass specs is manufactured from BeO identical to the Finnigan originals, #40005-20060 and #40005-20061.
|Part No.||Description||Finnigan #||Price
|BE1||Finnigan 4500 BeO Lens Castle Assembly||40005-20060 and 40005-20061||$210.00†3 or more: 5% off; 10 or more: 7% off.|
|† Quantity discount 3 or more: 5% off; 10 or more: 7% off.|
|* Standard lead-time for non-stock items is approximately two weeks depending on the item.|
|Ordering information. International (non-US) prices available through your local dealer.|
Is constructed of beryllium oxide ceramic.
The following alumina insulators are currently available for the Thermo instruments.
A variety of alumina insulators. Call for custom sizes
Tungsten Wire is used.
Stronger filament posts for better filament tension and harder filament ceramic body for accurate alignment.
Bayard-Alpert Design and Dual Tungsten or Burn-out Resistant Iridium
Repair service includes sandblasting away all contaminations and replacement of the metal connector pin.
Source heaters for your Thermo 4500 and TSQ.
Inland 45 is the highest quality rough pump oil you can use for your mass spectrometer.
This EI/CI Source Temperature Sensor (PRT2) includes the 100 ohm platinum resistance thermometer, leads, ceramic insulator, and connectors.