In order to ensure consistency across our website and technical documents, we have updated the document control (version) reference of all data sheets into a standard format. The version reference can be found in the bottom left-hand corner of each datasheet. 

All data sheets have been reset to Version DDS A.0. Going forward, the following will apply to updates.  

  • Technical changes - defined as something which will impact the user, such as amendment of technical specification or warranty terms. An edit of this type will result in the letter changing in the version reference, for instance from Version DDS A.0 to Version DDS B.0. 

  • Non-technical changes - defined as a minor edit which has no impact on the customer such as corrections to spelling or formatting. An amendment of this type will lead to a change in the number within the version reference, for instance from Version DDS A.0 to Version DDS A.1.

Note - customers will be informed of any technical changes via our newsletter. Customers will not be informed of non-technical changes. 

GS+7H2S-HO Hydrogen Sulphide (H2S) Sensor | High output

GS+7H2S-DC

Issue B.0 (Feb 2026)

Update to RH 15-90%

DceL H2-1000 Hydrogen (H2) Sensor | Low range (0-1000ppm), low CO cross-sensitivity, low profile, interchangeable  with 4-series

DceL H2-5%

Issue B.0 (Feb 2026)

Update to cross-sensitivity table

S+2OX-HO Oxygen (O2) Sensor | High output

S+2OX-LL

Issue B.0 (Dec 2025)

Linearity equation removed & dimensional drawing updated

GS+4H2S HT Hydrogen Sulphide (H2S) Sensor | High temperature

GS+4H2S-HT

Issue B.0 (Nov 2025)

Updated temperature range and cross sensitivity table

MceL Oxygen Lead-free Sensor

MceL OXLF

Issue B.0 (Nov 2025)

Output signal updated from 0.01 to 0.1mA

S+2OX-HO Oxygen (O2) Sensor | High output

S+2OX HO-HON

Issue B.0 (Nov 2025)

Output signal updated from 0.9-1.4mA to 9-14mV

GS+7O3 Ozone (O3) Sensor | Industrial specification

GS+7O3

Issue B.0 (Nov 2025)

Cross sensitivity table completed with all data