£920.13

This is the most expensive it has ever been. Walk away.

£920 today · previous high £920 · all-time low £918

3B Scientific U8557540 Fine Beam Tube on Connection Base

Amazon

Price History & Forecast

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

Last 34 days · 34 data points (no recent data)

Historical
Generating forecast…
£920.13 £917.59 £918.14 £918.70 £919.25 £919.81 £920.36 19 July 2026 27 July 2026 04 August 2026 12 August 2026 21 August 2026
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U8557540

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Price Distribution

Price distribution over 34 days • 2 price levels

Days at Price
Current Price
6 days 28 days · current 0 7 14 21 28 £918 £920 Days at Price

Price Analysis

Most common price: £920 (28 days, 82.4%)

Price range: £918 - £920

Price levels: 2 different prices over 34 days

Description

The 3B Scientific U8557540 Fine Beam Tube on Connection Base is a precision component designed for scientific measurement and laboratory applications. This specialized equipment is engineered for accuracy in controlled environments, featuring a gas filling of Neon to facilitate specific experimental requirements. With a gas pressure of 1.3x10-5 hPa, it provides the stability needed for consistent scientific observation. This unit is an essential resource for curriculum-based science studies and professional laboratory setups requiring reliable beam tube technology.

Key Features

The 3B Scientific U8557540 features a Neon gas filling for specialized scientific applications.

Operates at a precise gas pressure of 1.3x10-5 hPa to ensure experimental accuracy.

Designed with a filament voltage range of 5 to 7 V DC for controlled electrical performance.

Maintains a filament current of less than 150 mA during operation.

Includes a Wehnelt voltage capability ranging from 0 to -50 V for fine adjustment.

Product Specifications

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