Sigma Delta compatible with Dräger Auto-Exclusion®*

Penlon has manufactured, and sold, over 100,000 Sigma Delta Vaporizers, more than 1 every 1.5 hours since the product was launched in 2001. Throughout the product’s life, Penlon has worked to improve the Sigma Delta and can now announce that the vaporizer is compatible with the Dräger Auto-Exclusion®* backbar.

The award winning Sigma Delta is used by leading anaesthesia system manufacturers and pharmaceutical companies. It is renowned for delivering accurate concentrations under varying conditions, particularly at low flow.

Features of the Penlon Sigma Delta include:

Compatibility with five backbars*, including Auto-Exclusion®
Key fill, Quik Fil® or Pour fill
Four agent options – Sevoflurane, Isoflurane, Halothane, Enflurane
Service free†
Rated Excellent by Abbvie for the past five years

*Sigma Delta vaporizers with Auto-Exclusion® are not available in the US.
†Presumes ten year product life requiring no preventive maintenance service. It is recommended that a service is carried out at ten years. Halothane Vaporizers require a five year service.

Welcome to Penlon Ben Allen

We are pleased to welcome Benjamin Allen as Life Support Sales Manager to Penlon in the UK.

11/06/2026

Penlon Presentation, Workshop and More at EBME Expo 2026

Penlon’s biggest-ever EBME Expo not only delivers a presentation at the EBME Conference and a Workshop but also features a larger stand with even more products to demonstrate to delegates.

03/06/2026

Penlon Exhibiting at Euroanaesthesia 2026 in Rotterdam

Penlon will be exhibiting a range of anaesthetic machines, patient monitors, and accessories at Euroanaesthesia 2026 this month.

02/06/2026

Penlon Returns to Coventry for our Biggest EBME Expo Ever

Penlon will return to Coventry to exhibit our anaesthetic machines, patient monitors, infusion pumps and accessories at the EBME Expo 2026. The EBME Expo is the UK’s largest gathering of EBME Managers, Clinical Engineers and Supporting Healthcare Professionals.