testo 300 SE Longlife
€1,692.90
Product information "testo 300 SE Longlife"
Flue Gas Analyser testo 300 SE Longlife – O₂, H₂-Compensated CO up to 30.000 ppm, Retrofittable NO Sensor, incl. BT® Connector
Flue gas analysers from testo are standard tools for adjusting, servicing and testing oil-fired, gas-fired and condensing heating systems. They measure O₂, CO, flue gas temperature and draught, calculate efficiency and losses, and document the results directly on site.
Key Benefits at a Glance
- Intuitive measurement menus with a responsive Smart-Touch display
- Includes O2 sensor and H2-compensated CO sensor up to 30.000 ppm, retrofittable NO sensor
- Integrated precision pressure measurement
- On-site documentation and report delivery by email
- Versatile probes with quick, user-operated probe replacement
Scope of delivery
- testo 300 SE Longlife flue gas analyser with O2 sensor and H2-compensated CO sensor up to 30.000 ppm, NO sensor can be retrofitted
- testo Bluetooth® Connector
- EasyHeat PC software available as a free download
- USB mains adapter
Technical specifications
| Temperature - TC Type K (NiCr-Ni) | |
|---|---|
| Measuring range | -40 to +1200 °C |
| Accuracy | ±0,5 % of measured value (remaining measuring range), ±0,5 °C (0,0 to +100,0 °C) |
| Resolution | 0,1 °C (-40 to +999,9 °C), 1 °C (remaining measuring range) |
| Differential pressure – piezoresistive | |
| Measuring range | -100 to +200 hPa |
| Accuracy | ±1 % of measured value (+50,1 to +100,0 hPa), ±1,5 % of measured value (+100,1 to +200 hPa), ±0,5 hPa (0 to +50,0 hPa) |
| Resolution | 0,01 hPa |
| O₂ in flue gas | |
| Measuring range | 0 to 21 Vol. % |
| Accuracy | ±0,2 vol. % |
| Resolution | 0,1 Vol. % |
| COlow in flue gas (with H₂ compensation) | |
| Measuring range | 0 to 500 ppm |
| Accuracy | ±2 ppm (40 to +500 ppm), ±5 % of measured value (remaining measuring range) |
| Resolution | 0,1 ppm |
| CO measurement (with H₂ compensation), automatic dilution | |
| Measuring range | 0 to 30000 ppm |
| Accuracy | ±100 ppm or ±10 % of measured value |
| Resolution | 1 ppm |
| NO in flue gas | |
| Measuring range | 0 to 3000 ppm |
| Accuracy | ±5 % of measured value (101 to 2000 ppm), ±10 % of measured value (2001 to 3000 ppm), ±5 ppm (0 to 100 ppm) |
| Resolution | 1 ppm |
| NOlow in flue gas | |
| Measuring range | 0 to 300 ppm |
| Accuracy | ±5 % of measured value (40 to 300 ppm), ±2 ppm (0 to +39,9 ppm) |
| Resolution | 0,1 ppm |
| Differential pressure draught measurement in flue gas – piezoresistive | |
| Measuring range | -9,99 to +40 hPa |
| Accuracy | ±0,02 hPa (0,1 to +3,00 hPa), ±1,5 % of measured value (+3,01 to +40 hPa), ±0,005 hPa (0 to 0,1 hPa) |
| Resolution | 0,01 hPa (remaining measuring range), 0,001 hPa (0 to 0,1 hPa) |
| Efficiency determination, Eta (calculated) | |
| Measuring range | 0 to 120 % |
| Resolution | 0,1 % |
| Flue gas heat loss (calculated) | |
| Measuring range | 0 to 99,9 % |
| Resolution | 0,1 % |
| CO₂ determination (calculated from O2) | |
| Measuring range | Display range 0 to CO₂ max |
| Accuracy | ±0,2 vol. % |
| Resolution | 0,1 Vol. % |
| CO in ambient air | |
| Measuring range | 0 to 2000 ppm |
| Accuracy | ±10 ppm (0 to 100 ppm), ±10 % of measured value (101 to 2000 ppm) |
| Resolution | 1 ppm |
| Differential pressure 4 Pa measurement – piezoresistive | |
| Measuring range | -50 to +50 Pa |
| Accuracy | ±3 % of measured value (remaining measuring range), ±0,3 Pa (< 10 Pa) |
| Resolution | 0,1 Pa |
| General technical specifications | |
| Operating humidity | 15 to 90 %RH, non-condensing |
| Weight | Approx. 800 g |
| Dimensions | 244 (incl. probe connection) x 98 x 59 mm (LxWxH) |
| Operating temperature | -5 to +45 °C |
| Protection rating | IP40 |
| Product colour | Black |
| Display type | 5.0" Touch Display, HD 1280*720 pixels, IPS (160k) |
| Power supply | Rechargeable battery, USB mains adapter |
| Warranty conditions | https://www.testo.com/guarantee |
Operating conditions
Portable handheld measuring instrument for use in boiler rooms and buildings; rechargeable battery operation with mains adapter.
- Operating temperature: -5 to +45 °C
- Protection rating: IP40
- For construction sites
- For temporary use
- For hard-to-reach areas
- Not suitable for potentially explosive atmospheres (no ATEX certification)
Typical applications
Skilled trades · Building management & facilities · Energy supply · Engineering & technical services
Product information
- Manufacturer: Testo SE & Co. KGaA, Celsiusstraße 2, 79822 Titisee-Neustadt, Germany
- Manufacturer's part number: 0633 3004 94
Downloads
- EU Declaration of Conformity testo 300 Longlife (PDF, German)
- Instruction manual testo 300 (PDF, German)
- Technical data sheet (PDF, German)
We offer additional discounts for larger order quantities. Let us know the quantity required and we will prepare a tailored quotation.
Request a bulk quotation
Technical Details
| Operating Conditions: | For construction sites, For hard-to-reach areas, For temporary use |
|---|---|
| Primary Function: | Measuring & Testing |
| Sectors/Industry: | Building & Facility Management, Energy Supply & Wind Power, Maintenance & Technical Services, Trades & Workshops |
Login
Stock & Custom Solutions
Standard range from stock plus made-to-order solutions to your specifications.
Personal Expert Consultation
Direct contact with our experts – we find the technical solution for your problem.
Brand Quality
Products from renowned manufacturers – certificates and declarations of conformity per product on request.
Delivery DE & Nordics
Reliable delivery to Germany, Denmark, Norway, Sweden and Finland – Austria and Switzerland on request.
Our Bestsellers
The best-selling products for professional users.
About Hansehandel
What we at HANSEHANDEL, our products and solutions stand for
Our
Mission
Our mission is to make industrial procurement for our partners in Germany and Northern Europe as efficient and reliable as possible. We deliver not just products, but engineering expertise and dependable, personal support.
Our
Vision
We aim to be the agile partner for MRO solutions for companies in Scandinavia and Germany – with technical know-how, deep market understanding and a clear focus on industrial safety.
Frequently Asked Questions
Contact Us
We look forward to your technical challenge.