Field Instruments

Product Overview

The Testo 300+ Smart Flue Gas Analyzer is a high-performance combustion and emissions measuring instrument designed for boiler tuning, burner optimization, and HVAC system commissioning.
Equipped with smart-touch technology, a high-resolution color display, and integrated data connectivity, it enables fast, intuitive, and paperless analysis directly at the job site.

With up to 4 gas sensors (O₂, CO, NO, NO₂ – optional), automatic zeroing, and long-life sensors, the Testo 300+ ensures precision and durability in both residential and industrial combustion testing. Its Wi-Fi, Bluetooth®, and printer connectivity make reporting and documentation effortless.

Key Features

• Smart Touch Operation: Intuitive 5″ HD touchscreen for smartphone-like use — even with gloves.
• Multi-Gas Measurement: Measures O₂, CO, and optionally NO/NO₂ for extended emissions analysis.
• High-Accuracy Readings: Certified according to EN 50379-1 and EN 50379-2 standards.
• Long-Life Sensors: O₂ and CO sensors with expected service life up to 5 years, minimizing maintenance costs.
• Automatic Draft & Pressure Measurement: Integrated sensor for flue, differential, and gas pressure.
• Fast Zeroing: Ready for measurement in under 30 seconds.
• Data Logging & Reports: Store up to 500 sets of readings and export via Wi-Fi or Bluetooth®.
• Wireless Printing: Compatible with Testo IRDA printer or mobile app for PDF reporting.
• Durable Design: Impact-resistant housing and protective rubber sleeve for field reliability.
• Long Battery Life: Up to 10 hours of operation on a single charge.

Technical Specifications

Brand: Testo
Model: Testo 300+
Type: Smart Flue Gas / Combustion Analyzer
Measured Gases: O₂ (0–21 %), CO (0–8,000 ppm), optional NO (0–3,000 ppm), NO₂ (0–500 ppm)
Accuracy: ±0.2 Vol.% O₂, ±20 ppm CO (< 400 ppm)
Flue Gas Temperature Range: 0 °C to +1,000 °C (with probe)
Ambient Temperature: –5 °C to +45 °C
Pressure Measurement: –100 hPa to +200 hPa
Differential Pressure Accuracy: ±0.03 hPa + 1 % m.v.
Display: 5″ HD touchscreen (480 × 800 px)
Memory Capacity: Internal storage for 500 measurements
Communication Interfaces: Wi-Fi, Bluetooth®, USB-C
Power Supply: Rechargeable Li-ion battery
Battery Life: Up to 10 hours continuous operation
Housing Protection: IP40 (splash- and impact-resistant)
Dimensions (H × W × D): 240 × 83 × 44 mm
Weight: Approx. 825 g
Compliance: EN 50379 Parts 1 & 2, CE certified
Manufacturer: Testo SE & Co. KGaA, Germany

Applications

• Boiler and Burner Commissioning – Optimize combustion efficiency and reduce emissions.
• Industrial Combustion Testing – Evaluate NOₓ, CO, and O₂ levels for compliance.
• HVAC Installation & Maintenance – Tune systems for efficiency and safety.
• Emissions Reporting – Generate digital flue-gas analysis reports via Wi-Fi or Bluetooth®.
• Energy Auditing – Measure combustion performance for fuel-saving analysis.

Why Buy from FieldInstruments.lk?

At FieldInstruments.lk, Sri Lanka’s trusted supplier of Testo measuring instruments, we deliver genuine, factory-calibrated products backed by expert technical support and after-sales service.

Our Advantages:

• 100 % authentic Testo analyzers with full manufacturer warranty
• Competitive pricing and fast island-wide delivery
• Local technical consultation and calibration service
• Comprehensive after-sales support and spare parts availability
• One-stop partner for combustion, HVAC, and emissions monitoring instruments

The Testo 300+ delivers smart, accurate, and connected combustion analysis, making it the ideal tool for professionals who demand performance and reliability in the field.

Testo 300+ Sri Lanka
Testo 300+ flue gas analyzer
Testo 300+ combustion analyzer
Testo 300 smart flue gas analyzer
Testo 300+ Wi-Fi Bluetooth analyzer
Testo 300+ emissions analyzer Sri Lanka
Testo 300+ O₂ CO NO NO₂ analyzer
Industrial combustion analyzer Sri Lanka
Testo 300+ HVAC service analyzer
FieldInstruments.lk Testo 300+

Fieldinstruments.lk
50/3, Angampitiya Rd, Ethul Kotte, Sri Lanka. 10100.
Phone: +94718555888 Email: info@fieldinstruments.lk