£559.44

3B Scientific U18557 Teltron Teltron Helium-Filled Planar Triode Tube S

U18557

Price data last checked 87 day(s) ago - refreshing...

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Price History & Forecast

Last 4 days • 4 data points (No recent data available)

Historical
Generating forecast...
£559.44 £556.73 £557.32 £557.91 £558.51 £559.10 £559.69 22 January 2026 22 January 2026 23 January 2026 24 January 2026 25 January 2026

Price Distribution

Price distribution over 4 days • 2 price levels

Days at Price
3 days 1 day 0 1 2 2 3 £557 £559 Days at Price

Price Analysis

Most common price: £557 (3 days, 75.0%)

Price range: £557 - £559

Price levels: 2 different prices over 4 days

Key Features

Electron tube filled with low-pressure helium gas

Containing a thermionic cathode, control grid and anode

This tube is for quantitative investigations of the typical properties

Discontinuous energy release of helium atoms during inelastic collisions with free electrons

Maximum heater voltage: 7.5 volts AC/DC

Product Specifications

Model
U18557
Size
Helium-filled Planar Triode Tube S
Domain
Amazon UK
Listed Since
27 September 2011

Barcode

No barcode data available

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