🔥 8387 Wöhler A 450 Combustion Analyzer Standard Set
The Wöhler A 450 (Model A 450 / Part Number 8387) Combustion Analyzer is a professional-grade, German-engineered diagnostic tool for residential and light commercial HVAC applications. Compact, lightweight, and powerful, it delivers complete flue gas analysis, burner tuning, and draft measurement across gas, oil, and solid fuel systems.
With a 5" color touchscreen, wireless connectivity, and the ability to view up to 14 measurement values simultaneously, the A 450 combines laboratory-level accuracy with jobsite convenience.
✅ Key Features
🟢 Professional combustion analyzer with CO measurement up to 10,000 ppm
🟢 Large 5" color touchscreen with smartphone-style operation
🟢 Built-in wireless LAN for live data viewing on smart devices
🟢 Displays up to 14 measurement values at once
🟢 Integrated burner tuning guide for gas, oil, and solid fuel systems
🟢 Multistage filter system with water stop protection
🟢 Compact and rugged for field use
🟢 48-month warranty on both the unit and sensors (O₂ and CO)
🟢 Model Number: A 450 | Part Number: 8387
📊 Specifications Table
| Specification | Details |
|---|
| Manufacturer |
Wöhler |
| Model Number |
A 450 |
| Part Number |
8387 |
| Oxygen (O₂) |
0.0 to 21.0 vol. % |
| Carbon Monoxide (CO) |
0 to 10,000 ppm (1 ppm resolution) |
| Flue Gas Temperature |
68°F to 1472°F |
| Draft / Pressure |
±110 hPa (1 Pa resolution) |
| Display |
5" color touchscreen |
| Battery Type |
Lithium-Ion |
| Battery Life |
Approx. 6 hours |
| Data Storage |
Up to 1,000 customer records |
| Weight |
Approx. 1.5 lbs |
| Warranty |
48 months (unit and sensors) |
📦 What’s Included
-
Wöhler A 450 Combustion Analyzer (Model A 450 / Part Number 8387)
-
O₂ sensor and 10,000 ppm CO sensor
-
10" flue gas probe with 5 ft hose assembly
-
USB charger with micro-USB cable
-
Plastic carrying case (MAXI)
-
Water stop filters (3)
-
Cotton filters (25) – Filter Part No. 4286
⚠️ Common Symptoms This Analyzer Helps Diagnose
-
Elevated or unsafe carbon monoxide (CO) levels
-
Poor combustion efficiency or excessive fuel consumption
-
Improper burner air-to-fuel ratio
-
Draft or chimney performance issues
-
Incomplete combustion on gas, oil, or solid fuel appliances
-
Failed combustion or safety inspections
-
Inconsistent flue gas temperature readings
-
Suspected ventilation or exhaust problems
❓ Frequently Asked Questions (FAQ)
Q: Who is the Wöhler A 450 designed for?
A: The A 450 is intended for professional HVAC and combustion technicians working in residential and light commercial environments.
Q: What fuels can the A 450 test?
A: It supports gas, oil, and solid fuel systems, making it a versatile all-in-one combustion analyzer.
Q: What is the maximum CO measurement range?
A: The analyzer measures carbon monoxide up to 10,000 ppm with 1 ppm resolution.
Q: Can I view measurements on my phone or tablet?
A: Yes. Built-in wireless LAN allows live data viewing and reporting on compatible smart devices.
Q: How many readings can be displayed at once?
A: The A 450 can display up to 14 measurement values simultaneously.
Q: Does it store customer data?
A: Yes. The device can store up to 1,000 customer records for reporting and documentation.
Q: What maintenance does the analyzer require?
A: Regular filter replacement and proper sensor care are recommended to maintain accuracy.
🧭 Shopping Tips
-
Choose the A 450 if you service multiple fuel types and need one analyzer for all
-
Ideal for technicians who require high CO measurement capability (10,000 ppm)
-
Keep spare filters (Part No. 4286) on hand for uninterrupted operation
-
Pair with an infrared thermal printer (e.g., Wöhler TD 100) for on-site printed reports
-
Recommended for contractors who need reliable documentation for inspections and compliance
