Wohler A 550 Advanced Touch Screen Combustion Analyzer 7765

ModelA 550 MFG Part7765
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Wohler A 550 Advanced Touch Screen Combustion Analyzer 7765

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Quick Overview

Wohler A 550 Advanced Combustion 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 A 550 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. This unique analyzer also features wireless communication, instant printouts and measures O2, CO, NO, NO2, and SO2, as well differential pressure, temperature, wood moisture and more. Made in Germany. Read Wohler A 550 Review >

Characteristics
Characteristics: Wohler A 550 Advanced Combustion Analyzer with Touch Screen Display 7765
  4 Year Warranty
  Simple to use and understand
  Large color touchscreen displays of to 14 measurement ad calculation values
  Onscreen keyboard for intuitive operation
  Fresh air pump for in-flue calibration
  Graphical hot spot search
  Protection from condensates
  CO Sensor protected by automatic CO clean out pump
  Easily accessible 4-filter technology
  Can run diagnostics for unit and sensors
  User-friendly sensor replacement
  More than 12 hours use with Lithium Ion rechargeable battery
  Flexible and durable probe assembly
  Probe is insertion type for wide-ranging applications
  First flue gas analyzer to include wood moisture meter
  Stores up to 1,000 measurement records
  USB, Bluetooth or infrared data transfer
  Approvals: TÜV By RgG 297, EN 50379 - 2, VDI 4206, EN 50379 - 1 for CO
Wohler A 550 includes: NO, NO2 and SO2 sensor, hose 10 ft and probe 1 ft, air temp. probe, clamping cone, USB charger with micro USB cable,
Li-Io battery, water stop filter, coarse filter, 25 wadding filters, Wohler TD 100 thermal fast printer, and case
Description

Wohler A 550 Advanced Combustion 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 A 550 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. This unique analyzer also features wireless communication, instant printouts and measures O2, CO, NO, NO2, and SO2, as well differential pressure, temperature, wood moisture and more.

Specifications
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 (TS) 
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 (TA) 
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"
Applications
Applications: Wohler A 550 Advanced Combustion Analyzer with Touch Screen Display 7765
  Flue Gas Analysis
  4 Pa-test
  Wood moisture
  Backflow check
Accessories
Specs and Videos

Technical Specs for Wohler A 550 Advanced Touch Screen Combustion Analyzer 7765:

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Customer Reviews

Awesome Review by Garrett Jones
Quality
Price
Value

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.

(Posted on 9/5/2014)

amazing display Review by Stuart Sims
Quality
Price
Value

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.

(Posted on 9/4/2014)