--- title: Upgrade Your Face Fit Tester and Save £500 with Shawcity description: Save £500 on selected OHD fit testers with Shawcity’s trade-in offer, plus free first annual service and calibration. Available until Q2 2027. image: https://www.shawcity.co.uk/hubfs/Aerofit%20(1280%20x%20720%20px)%20(3).png --- - [Training](https://www.shawcity.co.uk/training) - [Service & Calibration](https://www.shawcity.co.uk/gas-detector-service-calibration-uk) - [Hire](https://www.shawcity.co.uk/gas-detector-hire-uk) - [Customer Support](https://www.shawcity.co.uk/customer-support) - About Us - [About Shawcity](https://www.shawcity.co.uk/about-shawcity) - [Vacancies](https://www.shawcity.co.uk/shawcity-careers) - Resources - [Events](https://www.shawcity.co.uk/events) - [News](https://www.shawcity.co.uk/news) - [Contact Us](https://www.shawcity.co.uk/contact) [![Shawcity Logo](https://www.shawcity.co.uk/hs-fs/hubfs/Brand%20Logos/NEW%20colour%20logo%2c%2050%20and%20strap.png?height=70&name=NEW%20colour%20logo%2c%2050%20and%20strap.png)](https://www.shawcity.co.uk/) [Login](https://products.shawcity.co.uk/account/login) - Gas Detection - [Portable Gas Detection](https://products.shawcity.co.uk/collections/portable-gas) - [Ground Gas/ Contaminated Land](https://products.shawcity.co.uk/collections/ground-gas-contaminated-land) - [Calibration Gas](https://products.shawcity.co.uk/collections/calibration-gas) - [Air Quality & Dust](https://products.shawcity.co.uk/collections/air-quality-and-dust) - [Fit Testing](https://products.shawcity.co.uk/collections/fit-testing) - [OEM Gas Sensors](https://products.shawcity.co.uk/collections/oem-gas-sensors) - [Chromium-6](https://products.shawcity.co.uk/collections/chromium-6-detection) - [Drug & Alcohol](https://products.shawcity.co.uk/collections/drugs-alcohol-testing) - [Accessories](https://products.shawcity.co.uk/collections/accessories) [![Shawcity Logo](https://www.shawcity.co.uk/hs-fs/hubfs/Brand%20Logos/NEW%20colour%20logo%2c%2050%20and%20strap.png?height=70&name=NEW%20colour%20logo%2c%2050%20and%20strap.png)](https://www.shawcity.co.uk/) ![](https://cdn.shopify.com/s/files/1/0555/2901/3401/t/2/assets/hamburger-icon.svg) ![](https://cdn.shopify.com/s/files/1/0555/2901/3401/t/2/assets/menu-close.svg) Menu - Products - [Portable Gas Detection](https://products.shawcity.co.uk/collections/portable-gas) - [Fixed Gas Detection](https://products.shawcity.co.uk/collections/fixed-gas-monitoring) - [Ground Gas/Contaminated Land](https://products.shawcity.co.uk/collections/ground-gas-contaminated-land) - [Air Quality & Dust](https://products.shawcity.co.uk/collections/air-quality-and-dust) - [Fit Testing](https://products.shawcity.co.uk/collections/fit-testing) - [OEM Gas Sensors](https://products.shawcity.co.uk/collections/oem-gas-sensors) - [Chromium-6](https://products.shawcity.co.uk/collections/chromium-6-detection) - [Drugs & Alcohol](https://products.shawcity.co.uk/collections/drugs-alcohol-testing) - [Accessories](https://products.shawcity.co.uk/collections/accessories) - [Calibration Gas](https://products.shawcity.co.uk/collections/calibration-gas) - [Training](https://www.shawcity.co.uk/training) - [Service & Calibration](https://www.shawcity.co.uk/gas-detector-service-calibration-uk) - [Hire](https://www.shawcity.co.uk/gas-detector-hire-uk) - [Customer Support](https://www.shawcity.co.uk/customer-support) - About Us - [About Shawcity](https://www.shawcity.co.uk/about-shawcity) - [Vacancies](https://www.shawcity.co.uk/shawcity-careers) - Resources - [Brochure](https://www.shawcity.co.uk/hubfs/Shawcity%20overview%20brochure%20MAR%2025%20web.pdf) - [News & Events](https://www.shawcity.co.uk/news) [CONTACT US](https://www.shawcity.co.uk/contact) ##### [**News**](https://www.shawcity.co.uk/news/tag/news) # Upgrade Your Face Fit Tester and Save £500 with Shawcity **Shawcity**|1 October 2026 ![](https://www.shawcity.co.uk/hubfs/Aerofit%20(1280%20x%20720%20px)%20(3).png) Thinking about upgrading or replacing your current quantitative fit testing equipment? Trade in your existing fit tester with Shawcity and receive **£500 off a new OHD system**, plus your **first annual service and calibration free of charge**. To qualify for the trade-in offer, your existing unit must be a **working PortaCount or AccuFit fit tester**. **Offer available until 30 June 2027.** ## **Upgrade to OHD and Save Up to £1,260 + VAT** | **OHD system** | **Technology / comparable functionality** | **Part-exchange price** | **Free first service & calibration** | **Total saving** | | --- | --- | --- | --- | --- | | **QuantiFit2** | CNP quantitative fit testing | £8,400 **£7,900 + VAT** | Worth £465 + VAT | **£965 + VAT** | | **AeroFit** | APC/CNC – equivalent functionality to TSI PortaCount 8048 | £9,542 **£9,042 + VAT** | Worth £760 + VAT | **£1,260 + VAT** | | **AeroFit Lite**\* | APC/CNC – equivalent functionality to TSI PortaCount 8040 | **POA** | Worth £760 + VAT | £760 + VAT + part-exchange saving where applicable | ## **Already Using Another Manufacturer's Fit Tester?** You don't need to be an existing OHD customer to take advantage of the offer. Shawcity will consider **working PortaCount and AccuFit fit testers** for part-exchange, making this an opportunity to upgrade ageing equipment or explore an alternative to your current quantitative fit testing system. For existing TSI users, the OHD range includes: **AeroFit** – offering equivalent functionality to the TSI PortaCount 8048. **AeroFit Lite** – offering equivalent functionality to the TSI PortaCount 8040. **QuantiFit2** – providing an alternative approach through Controlled Negative Pressure (CNP) technology for compatible reusable half and full-face respirators. ## **Why Consider OHD?** OHD offers both principal quantitative fit testing technologies: **Controlled Negative Pressure (CNP)** through QuantiFit2 and **Ambient Particle Counting (APC/CNC)** through AeroFit. This gives organisations the flexibility to select a system around their RPE programme, testing environment and operational requirements. OHD technology is used across sectors including emergency services, military, CBRN and hazmat, oil and gas, mining, utilities, healthcare and motorsport. Shawcity is the **exclusive UK & Ireland supplier of OHD fit testing equipment**, providing UK-based technical support, servicing and calibration throughout the life of your equipment. ## **Make the Switch Before 30 June 2027** If you're considering replacing your current fit testing equipment, speak to Shawcity about its trade-in value and which OHD system best suits your requirements. **Trade in a qualifying working PortaCount or AccuFit and receive:** - **£500 off** a qualifying OHD fit tester - **First annual service and calibration FREE** - **Total savings of up to £1,260 + VAT** - UK-based support from Shawcity All qualifying trade-in units will be returned to OHD Europe in Poland. ##### Share [Previous post](https://www.shawcity.co.uk/news/why-smell-cannot-reliably-warn-of-h2s) [Next post](https://www.shawcity.co.uk/news/composite-materials-workplace-hazards-monitoring) ## **Latest posts** ##### [![](https://www.shawcity.co.uk/hubfs/fl500-1-v1-1.png) News **MSA FL5000 Applications: Where Is It Used and Why?** 15 October 2026](https://www.shawcity.co.uk/news/msa-fl5000-flame-detector-applications) ##### [![](https://www.shawcity.co.uk/hubfs/drugalco-blog.png) Guides & Insights **Drug and Alcohol Testing in Construction and Demolition: A Practical Guide** 12 October 2026](https://www.shawcity.co.uk/news/drug-alcohol-testing-construction-demolition) ##### [![](https://www.shawcity.co.uk/hubfs/The%20Hidden%20Danger%20of%20%E2%80%9CClosed%E2%80%9D%20Landfills.png) Guides & Insights **Brownfield Methane Monitoring** 7 October 2026](https://www.shawcity.co.uk/news/brownfield-methane-monitoring) [Back to blog](https://www.shawcity.co.uk/news) ![Newsletter icon](https://www.shawcity.co.uk/hubfs/Icons/newsletter-icon.svg) ### **Sign up to our newsletter** ### **Sign up to our newsletter** ![Newsletter icon](https://www.shawcity.co.uk/hubfs/Icons/newsletter-icon.svg) ![Shawcity logo](https://www.shawcity.co.uk/hubfs/Brand%20Logos/NEW%20colour%20logo%2c%2050%20and%20strap.png) ##### Products - 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