Sprint Pro



With over 40 years’ experience in producing the finest and most durable test and measurement solutions in the heating industry, our latest Sprint Pro model is the best Flue gas analyser we have ever produced!

Specialist UK design and manufacturing process combine with the latest technologies and years of experience, to deliver something truly special.

We are the market leader in the United Kingdom and the instrument of choice for British Gas engineers the UK’s largest gas supplier with 10,000 active engineers servicing, maintain and installing boilers every day.

The Crowcon Sprint Pro won’t let you down and is the best choice for today’s HVAC professional.

Sprint Pro is BSI tested to EN50379-1:2012 & EN50379-3:2012 and is suitable for engineers working with BS7967:2015.

Professional Water Trap

Remove the lost time and high expense of equipment damage by design, with our professional grade integrated water trap

Made from impact resistant polycarbonate and featuring heavy duty water and dust filtering, as well as easily removable and washable filters which save money on maintenance and increase equipment availability

Robust Design

Reduce downtime due to broken or faulty equipment with our extremely robust analyzer

Built from the same material as motorcycle crash helmets, it can withstand whatever is thrown at it in the challenging environments in which you work

Positive Click Connector

Get correct operation each and every time with our positive click connector

Our unique robust connector design ensures a correct and secure connection between probe and device every time. When the job is done a simple thumb push button releases the probe

Gas Escape Probe

Not just efficiency but safety too! Find customers gas leaks with our added probe.

All our Sprint Pro’s come with gas escape probes as standard, they can be used to detect any leaks in the furnace vicinity or elsewhere.

Get the accurate readings your customers require with our

Slim line head design which allows easy access to all required spaces big or small

USB-C Connection

Never run out of charge unexpectedly or lose any of your important test reports

This latest generation USB-C connection and included USB-C cable, give easy charging at home or on the go, and also allow super-fast transfer of stored reports to the free-to-download Sprint Pro USB PC software


Size W183 x H85 x D50 mm
Weight 490g
Display Colour LCD display with backlight
Logging 400 reports (dependent on type)
Battery Rechargeable Li-ion
Operating time CO & O2  Sensor Fit

  • ~ 14 hours without pump running*
  • > 5 hours pump running continuously*

CO, O2, NO & CO2 Sensor Fit

  • ~ 8 hours without pump running*
  • > 4 hours pump running continuously*

*No gas escape probe connected

Operating temperature -10°C to +50°C
Storage temperature -20°C to +50°C
Function buttons 5 button keypad
Standards BSI tested to EN50379-1:2012 & EN50379-3:2012 Suitable for engineers working with BS7967:2015
Enclosure Ruggedized protective
Integral magnets
Indoor use
Pump Internal pump with flow fail indication
Standard Fuels Natural gas (methane), LPG, Heavy oil, Light oil, Coal, Wood, Wood pellet, Coke, Biomass and Bagasse.
Probe Insertion length: 250 mm with adjustable depth gauge.

Ergonomic pistol grip with stainless steel shaft, in-built with thermocouple, in line water trap with water block filter & dust filter, bespoke connector with secondary in-built water block filter.

Overall Hose Length: 2164 mm

Charger Input: USB-C
Temperature Range: 0°C – 40°C


Gas Range Display


Accuracy Response Time (t90)
Oxygen 0-21% 0.1% ±0.3% < 30 sec
Carbon Monoxide 0 – 200ppm

200 – 2,000ppm

2,000 – 5,000ppm

1ppm ± 10ppm or 10%rel

± 20ppm or 5%rel.

± 100ppm or 10%rel

< 45 sec
Carbon Dioxide (calculated) 0-21% 0.1% ±0.3% < 30 sec
CO/CO2 Ratio 0 to 0.9999 0.0001
NO (where fitted) 0 – 200ppm 1ppm ± 5ppm or 1.5%rel < 45 sec
NOx Calculated (where NO is fitted) 0-210ppm 1ppm ± 5ppm or 1.5%rel < 45 sec
Flue Temperature Measurement 5°C to 400°C 1°C ±2°C or 1.5% of reading
XS Air 0-100%

Room Safety Test & Ambient Air Monitoring

Gas Range Display


Accuracy Response Time (t90)
CO 0 – 200ppm

200 – 2,000ppm

2,000 – 5,000ppm

1ppm ± 10ppm or 10%rel.

± 20ppm or 5%rel.

± 100ppm or 10%rel.

< 45 sec

[45 sec]

CO2* *Where sensor fitted 0.01% ± 10% @ 20°C < 60 sec

*Where sensor fitted

Models & Kit Selection


Below is a small selection of the accessories available for the Sprint Pro.

Sprint Pro Flue Probe


Sprint Pro Flue Probe Connector & hose


Sprint Pro Filter Bowl & Filters


Sprint Pro Flue Probe Connector, hose, filter bowl & filters


Sprint Pro Water Filter


Sprint Pro Dust Filter


Sprint Pro Depth Gauge & Screw


Sprint Pro Cable Management Clip


Sprint Pro USB Charger Lead


Sprint Pro Bag






Quick Start Guide

Click here to go to our software download page to get the Sprint Pro PC companion software.

How to buy

Customers can buy their Sprint Pro device and kit direct from Crowcon by submitting the online order form below.

  Crowcon Online Order Form

  UK Distribution Partner

The Sprint Pro is also available to buy in the U.K. via our trusted distributor Anton.

Find out more

  Buy on Amazon.co.uk

The Sprint Pro device is also available on Amazon.co.uk.

Find out more

  Crowcon USA

The Sprint Pro is also available to buy in the USA via our US Sales Office.

Contact Us Today

At Crowcon, we understand that your flue gas analyser in an essential part of your tool kit. By coming direct to Crowcon, you can benefit from our fast service turnaround for your Sprint Pro, Sprint eVo or Sprint V device.

Why service?

– Flue gas analysers will drift out of calibration over time – only Crowcon or a Crowcon approved service centre can adjust the device back to the manufactured specification before returning them as accurate as the day they were purchased.

– Fixed price servicing ensures you will know the full cost of ownership before you buy.

– Once calibrated, your device is returned with it’s calibration report.

It’s important to note, an out-of-calibration analyser could lead to errors in the combustion reports you produce, so it is very important you get your device calibrated on a regular basis.

Please note: Only Crowcon approved service centres have the training and expertise required to service and calibrate your flue gas analyser.

What’s part of the service?

– Inspection, test and calibration of the device

– Parts and labour on in warranty replaceable parts

– A fully traceable calibration report to confirm analyser performance

How much does a service & calibration cost?

Crowcon’s standard service & calibration charge is £99 (inc VAT)

*Please note that if any consumbles (such as sensors or batteries) are needed outside of the standard warranty periods for those items,  then extra charges will apply. We will contact you to quote on these items if they are required.

How long does a Crowcon service take?

Crowcon offers a 3-5 working day turnaround.

How do I book my service?

Please call us on 01235 557700 or click here to complete our service request form.

How do I send you my equipment?

  1. Call us to speak directly to our service booking team or alternatively fill in the service request form.
  2. Our service booking team will quote for the service and take payment if you decide to confirm. If you enquired via online form, we will contact you directly to arrange this.
  3. The service team will email you with all of the necessary service documentation.
  4. Please print out the documentation and place this inside the analysers bag, along with the analyser, probes and accessories (we test and check all parts of the analyser kit to ensure correct performance).
  5. Send the bag to us at the address provided in the documentation.
  6. We will perform all of the necessary servicing, calibrations and checks.
  7. Should your analyser require any additional work, we will contact you to discuss the issues and quote on corrective actions. You will be able to advise us on how you would like us to proceed under no obligations.
  8. Your equipment will be sent back to you via next day carriage at £8.50. All charges for the service exclude VAT.

For US purchases only.