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Wohler A550 Combustion Analyzer Advanced Set with NO/NO₂ Sensor

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Free shipping on orders over $200 One year warranty

Wohler A550 Combustion Analyzer Advanced Set with NO/NO₂ Sensor

SKU: CART-03266

Model: 7764

Product Condition: New

$6,400.00

$13,648.00

WOHLER A550 USA with NO/NO2 Sensor: Redefining Flue Gas Analysis

One year warranty

Free return within 30 days of purchase.

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Wohler Indoor Air Quality & Gas Testing HVAC Equipment, Tools and Accessories Combustion Gas Analyzers and Accessories

Product Description

Advanced Combustion Analyzer Kit

The Wohler A 550 NO Combustion Analyzer Advanced Set (7764) adds NO measurement to the A 550 platform for more complete combustion analysis, burner adjustment, and documentation in both residential and light commercial applications. It pairs a large 7" touchscreen with robust field protection and comprehensive reporting.

Gas Sensors and Measurement Capabilities

O₂ (0–21%) measurement supports combustion setup and efficiency-related calculations by establishing excess air conditions.
CO measurement (0–10,000 ppm) for routine combustion work.
NO (0–3,000 ppm) and NO₂ (0–1,000 ppm) measurement for more detailed emissions-focused diagnostics and combustion optimization beyond O₂ and CO alone.

Ergonomics and Workflow

7" color touchscreen that displays up to 14 measured/calculated values at once
Probe start/stop button for hard-to-reach measurement locations
Magnetic mount for hands-free work

Data, Reporting, and Connectivity

Data transfer via WLAN (Wi-Fi), USB, and infrared
Works with the Wohler Flue Gas Analysis App (mobile viewing + remote start/stop + sharing)
Storage for up to 1,000 measurement records

Field Protection and Reliability

Automatic CO purge pump to protect the CO sensor from overload
5-filter technology with condensate protection and monitoring

Specifications

MPN 7764

Product Condition New

Shipping Length (in.) 9

Shipping Width (In.) 7

Shipping Height (In.) 3

Item Returns This item can be returned

Gas Sensor, Temperature, and Moisture Reading Specifications

Measurement	Range	Accuracy
Oxygen (O₂)	0.0–21.0 vol. %	±0.3 vol. %
Carbon Monoxide (CO)	0–10,000 ppm	±20 ppm (<400 ppm), otherwise 5% of reading
Nitric Oxide (NO)	0–3,000 ppm	±5 ppm (<100 ppm), otherwise 5% of reading
Nitrogen Dioxide (NO₂)	0–1,000 ppm	±5 ppm (<100 ppm), otherwise 5% of reading
Chimney Draft / Differential Pressure	0.00 to ±44.16 inWC	0.0012 inWC (<0.04 inWC), otherwise 3% of reading
Flue Gas Temperature (TS)	-4 to 1,472 °F (-20 to 800 °C)	32–271.4 °F: ±35.6 °F (±2.0 °C) 271.4–1,472 °F: ±1.5% of reading
Combustion Air Temperature (TA)	-4 to 212 °F (-20 to 100 °C)	±33.8 °F (±1.0 °C)
Wood Moisture	10.0–40.0 %	±40% of reading

Other Specifications

Specification	Value
Power supply	Lithium-Ion rechargeable battery 3.7 V, 5800 mAh; charges via USB
Battery operating time	Approx. 12 h
Storage temperature	-4 °F to +122 °F (≈ -20 °C to +50 °C)
Operating temperature	+41 °F to +104 °F (≈ +5 °C to +40 °C)
Weight	2.75 lbs (≈ 1.25 kg)
Dimensions (without probe)	8.7" x 6.3" x 2.2"
Cable-hose length	67" (≈ 170 cm)