£559.44

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

U18557

Price data last checked 133 day(s) ago - refreshing...

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£559 today · usual range £0–£0 · best ever £321

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Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 598 days • 598 data points (No recent data available)

Historical
Generating forecast...
£586.01 £294.27 £357.92 £421.57 £485.23 £548.88 £612.53 07 June 2024 03 November 2024 01 April 2025 28 August 2025 25 January 2026

Price Distribution

Price distribution over 598 days • 3 price ranges

Days at Price
Current Price
26 days 308 days 264 days · current 0 77 154 231 308 £321-374 £480-533 £533-586 Days at Price

Price Analysis

Most common range: £480-533 (308 days, 51.5%)

Price range: £321 - £586

Price levels: 3 price ranges over 598 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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