Wohler A 550 Flue Gas Analyzer with NO/NO2/SO2 Sensors and Printer (7765)

Wohler A 550 Advanced Touch Screen Combustion Analyzer 7765

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Wohler A 550 Flue Gas Analyzer with NO/NO2/SO2 Sensors and Printer (7765)

Part Number: 18010 Brand: Wohler

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Wohler A 550 Advanced Combustion Analyzer with Touch Screen Display 7765 is a robust and intuitive next generation combustion flue gas analyzer. The Wohler combustion analyzer is the most advanced tester for installing and tuning of a furnace, boiler or water heater.

Retail Price:$6,700.00

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Wohler A550 Flue Gas Analyzer with NO/NO2/SO2 Sensors and TD 100 Thermal Fast Printer (7765)

Wohler A 550 Flue Gas Analyzer with Touch Screen Display (7765) is a robust and intuitive next generation combustion analyzer that is as easy to use as a smartphone and heavy-duty enough for the job site.

Wohler A550 Combustion Analyzer is designed with a 7" full color touch screen that is easy to navigate, displays all relevant readings, and is great for showing results to customers or supervisors in an easy to understand manner.

The Wohler combustion analyzer A550 also features wireless communication, instant printouts and measures O2, CO, NO, NO2, and SO2, as well differential pressure, temperature, wood moisture and more. The Wohler combustion gas analyzer A 550 comes with TD 100 Thermal Fast Printer.

Key Features:

Includes NO, NO2, and SO2 sensors
Superior accuracy
Graphic hot spot search
Intuitive on-screen keyboard
Large, color touchscreen
Displays up to 14 measurement and calculation values
Includes the Wohler TD 100 thermal fast printer
Features air temperature probe and clamping cone
Automatic CO clean out pump protects CO sensor
4-filter technology - easily accessible
Rechargeable battery operating time: more than 12 hours with Lithium Ion power

Available Wohler A 550 L Flue Gas Analyzer 7754

Specifications:	Wohler A 550 Advanced Combustion Analyzer with Touch Screen Display 7765
Oxygen concentration (O₂) in flue gas
Display	Volume % referenced to dry flue gas
Measurement principle	Electrochemical sensor
Range	0.0 – 21.0 vol. %
Accuracy	±0.3 Vol. %
Carbon monoxide (CO 4,000 ppm) in flue gas
Display	Volume ppm referenced to dry flue gas
Measurement principle	Electrochemical sensor
Range	0 – 4,000 vol. ppm; resolution 1 vol. ppm
Nitric oxide concentration (NO) in flue gas
Display	Volume ppm referenced to dry flue gas
Measurement principle	Electrochemical Sensor
Range	0 – 3,000 vol. ppm (continuously up to 1,000)
Resolution	1 vol. ppm
Accuracy	±5 Vol.-ppm (< 100 ppm), otherwise 5 % of reading
Nitrogen dioxide concentration (NO₂) in flue gas
Display	Volume ppm referenced to dry flue gas
Measurement principle	Electrochemical sensor
Range	0 – 1000 vol. ppm (continuously up to 200); resolution 1 vol. ppm
Accuracy	±5 vol. ppm (< 100 ppm), otherwise 5 % of reading
Sulfur dioxide (SO₂) in flue gas
Display	Volume ppm referenced to dry flue gas
Measurement principle	Electrochemical sensor
Range	0 – 5,000 vol. ppm; resolution 1 vol. ppm
Accuracy	±10 vol. ppm (0...200 ppm), otherwise 5 % of reading
Chimney draft / differential pressure (PD) with 4 Pa test
Display	inWC
Measurement principle	Semi-conductor diaphragm
Range	0.00 to ± 44.16 inWC; resolution 0.004 inWC (< 4.01 inWC), otherwise 0.004 inWC, with ventilation loss measurement 0.004 inWC
Accuracy	0.0012 inWC (< 0.04 inWC), otherwise 3 % of reading Drift < 0.00081 inWC in 5 minutes
Flue gas temperature (T_S)
Display	°F
Measurement principle	Thermocouple (NiCr-Ni) (NiCr-Ni)
Range	-4 °F to 1,472 °F; resolution 32.18 °F
Accuracy	32 – 271.4 °F: ±35.6 °F 271.4 – 1,472 °F: ±1.5 % of reading
Combustion air temperature (T_A)
Display	°F
Measurement principle	Thermocouple (NiCr-Ni)
Range	-4 °F to 212 °F; resolution 32.2 °F
Accuracy	±33.8 °F
Wood moisture
Display	Mass of water referenced to dry fuel mass
Measurement principle	Electrical resistance measurement
Range	10.0 – 40.0 %; resolution 0.1 %
Accuracy	±40 % of reading tested to VDI 4206 Part 4
General
Power supply	Lithium-Ion, rechargeable battery 3.7 V, 5800 mAh, charges via USB
Battery operating time	Approx. 12 h (depends on operating status and display illumination)
Storage temperature	-4 °F to +122 °F
Operating temperature	+41 – 104 °F to maintain stated accuracy
Weight	2.75 lbs
Dimensions	8.7" x 6.3" x 2.2" (without probe)
Length of cable-hose	67"

Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

amazing display

Wohler definitely brought their A Game with this new Analyzer. Very huge touchscreen display. The probe connection is hidden even when you snap it together to offer added protection. Very high accuracies as well. great great analyzer.

Did you find this helpful? 8 of 9 Found Helpful

Reviewed by: (Verified Buyer) Stuart Sims from Canada. on 1/27/2018

Awesome

This analyzer is a beast. The layout is super modern , like some certain other companies that are names after fruit... Great readings, tons of features and the touchscreen/graphical display with onsite printing is a big draw for customers. The modern tools really make a big impression on the less technical folks you do work for. And it's super convenient.

Did you find this helpful? 8 of 9 Found Helpful

Reviewed by: (Verified Buyer) Garrett Jones from US. on 1/24/2018

Best you can buy

Whether you are working residential or commercial – this is the best you can buy. The features are amazing and all at the push of a button.

Did you find this helpful? 7 of 9 Found Helpful

Reviewed by: (Verified Buyer) Zack Anderson from Woodbridge, NJ. on 9/26/2022

Well thought out analyzer

This Wohler analyzer is a class unto itself. It may not be for the average HVAC technician, but for those who own it, they will be happy as well as their customers that they made the investment. It is a well thought out analyzer that makes my job so much easier.

Did you find this helpful? 7 of 8 Found Helpful

Reviewed by: (Verified Buyer) Quinn Sharp from Yonkers NY. on 9/25/2022

Beast of a meter

Yes, it’s expensive. that’s probably what most people notice at first but two things to consider. One: you gotta spend money to make money. Cliche but true, I always think of it as investing in my business and I can tell you when you show up with this space age looking thing, customers respect it. Obviously it needs to be a good meter that takes accurate readings (and it DEFINITELY is) but we shouldn’t discount the wow factor. Stuff is a lot image these days. and Two: It’s actually quite a reasonable price when you look at the sensor configuration. A comparable analyzer from another brand is going to cost you somewhere around here anyway and they are usually more old fashioned than this and lack much of the convenience that comes with the software in this one. This is my long way of saying that if you’re willing to spend the money, you won’t be disappointed with this thing. Highly recommended for those that care about staying on top of the game with their equipment.

Did you find this helpful? 7 of 9 Found Helpful

Reviewed by: (Verified Buyer) Ryan Bailey from Elk Grove. on 9/22/2022

Color touchscreen

Love the huge color touchscreens with all my data shown at once. Makes it so easy to run diagnostic test and then get to work.

Did you find this helpful? 7 of 9 Found Helpful

Reviewed by: (Verified Buyer) Carl from Grand Rapids. on 7/4/2021

Industrial Analyzer

Due to its size it may seem intimidating to pick up and use, but it is rather fairly simple and easy to use. The analyzer provides the user with loads of information and has a bright colorful display with easy to read font.

Did you find this helpful? 7 of 9 Found Helpful

Reviewed by: (Verified Buyer) Leon from Denver. on 7/4/2021

Rugged

This thing is like a computer, so I was worried about it being fragile. It wasn't. Wohler made the A 550 for the job site. They knew how we'd all end up using it. It's accurate and easy to navigate.

Did you find this helpful? 7 of 9 Found Helpful

Reviewed by: (Verified Buyer) Doug C from St. Cloud, MN. on 11/7/2020

top of the line

From what I understand Wohler is one of, if not the, leader’s in the european combustion market and it’s easy to see why when you get ahold of this thing. It performs to the highest standard but you sort of “know” when you turn it on that it’s going to be powerful. The feel of it and the diversity of testing options is intense and it basically does everything you need for complete combustion analysis, including measuring a lot of gasses that you wouldn’t pay attention to in the residential jobs. I think it’s worth the money and I love it for my work, but obviously take your budget into consideration. It’s a big investment but worth it.

Did you find this helpful? 5 of 7 Found Helpful

Reviewed by: (Verified Buyer) Gary Miller from Canton. on 9/21/2022

Detailed display

Large touchscreen color display and several measurements being on one screen at the same time allow for detailed analysis of applications. The A550 is a industrial analyzer capable of measuring higher ranges of gases compared to other analyzers. It does have a bulky tablet design however, its capabilities justify it because this will probably be the only device you need to carry around.

Did you find this helpful? 5 of 7 Found Helpful

Reviewed by: (Verified Buyer) Zoe from Seattle. on 7/3/2021

Accurate

Well built and very accurate

Did you find this helpful? 5 of 7 Found Helpful

Reviewed by: (Verified Buyer) Matt from Medford. on 7/3/2021

Not that complicated

I thought this unit was going to be a bear to use, I've been used to my old unit for years. The A 550, though was not as complex as I feared. I was up and running pretty quickly.

Did you find this helpful? 5 of 7 Found Helpful

Reviewed by: (Verified Buyer) Ken L from Ogallala, NE. on 11/6/2020

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Applications:	Wohler A 550 Advanced Combustion Analyzer with Touch Screen Display 7765
	Flue Gas Analysis
	4 Pa-test
	Wood moisture
	Backflow check

Wohler A 550 Flue Gas Analyzer with NO/NO2/SO2 Sensors and Printer (7765)

Wohler A550 Flue Gas Analyzer with NO/NO2/SO2 Sensors and TD 100 Thermal Fast Printer (7765)

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