Description
The lens retainer ring for the Finnigan 4500 is available from S.I.S. This corresponds to the Finnigan part # 40005-20070 and is constructed of beryllium oxide ceramic. Alternatively, a Lens Retainer Ring constructed of aluminum oxide, is also available.
TSQ® is a registered trademark of the Finnigan MAT Corp.
Finnigan #=40005-20070, OD (in)=1.15, ID (in)=0.895, Thickness (in)=0.078 | ||||
Part No. | Description | Quantity In Stock |
Price EA |
Order |
---|---|---|---|---|
BE2 | Beryllium Oxide Ceramic Lens Retainer Ring | 0*Standard lead-time for non-stock items is approximately two weeks depending on the item. | CALL‡3 or more: 5% off; 10 or more: 7% off. | |
CE2 | Alluminum Oxide Lens Retainer Ring | DISCONTINUED | ---‡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. † Call for availability. | ||||
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A variety of alumina insulators. Call for custom sizes

The following alumina insulators are currently available for the Thermo instruments.

#40005-20060 and
#40005-20061.

Inland 45 is the highest quality rough pump oil you can use for your mass spectrometer.

A wide variety of alumina ceramic washers.

Replacement insulators for your VG mass spec

Bayard-Alpert Design and Dual Tungsten or Burn-out Resistant Iridium

Tungsten Wire is used.

Source heaters for your Thermo 4500 and TSQ.

This EI/CI Source Temperature Sensor (PRT2) includes the 100 ohm platinum resistance thermometer, leads, ceramic insulator, and connectors.