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The TPI 709R Flue Gas Analyzer w/Rechargeable Battery is a state of the art, easy to use analyzer designed not only to display and calculate the required readings from a flue but also to cover most of the other measurements associated with combustion.

709R Combustion Analyzer

  • All the features of the 709 PLUS Rechargeable Batteries
  • High resolution 0.001 in H20 differential manometer for high efficiency and oil equipment
  • Calculates combustion efficiency
  • Pump driven for fast response
  • Will not shut off if 15 ppm CO is present for increased safety
  • Optional A740 IR printer available for hard copies of test results
  • Built-in differential thermometer
  • Store function to save up to 50 readings
  • Push on fittings for fast and easy use
  • Large easy to read backlit display
  • Ten selectable fuels

$649.95
USA Suggested List Price

Tequipment.net
Grainger
Digi-Key Electronics

The TPI 709R Flue Gas Analyzer is a state of the art, easy to use analyzer designed not only to display and calculate the required readings from a flue but also to cover most of the other measurements associated with combustion.The instrument is ruggedly constructed and comes with a 3 Year unitand 2 Year sensor Guarantee.

The TPI 709R combustion analyzer uses state of the art electrochemical sensors. This sensor technology provides the longest lasting, most accurate and reliable means for performing combustion tests. The sensors in your analyzer will need to be replaced periodically and calibration is recommended once every year. The 709R will remind you when calibration is due by flashing “CAL DUE Err” for three seconds at start up.

Electrochemical sensors by nature are always active. Therefore the time the analyzer is off and not being used must be taken into account when determining sensor life. The sensors in your analyzer are warranted for two years. This warranty does not cover sensors damaged through misuse of the analyzer.

You should keep the batteries of your 709R fresh so power is constantly being supplied to your sensors.

The following guidelines will help prevent damage to your sensors:

  • Always use the mini pump filter when testing flue gases.
  • Always periodically check and replace the mini pump filter as needed.
  • Always make sure the in-line filter / water trap is installed properly.
  • Always periodically check and replace the in-line filter as needed.
  • Always remove water or condensation from the inside of the in-line filter / water trap assembly prior to performing tests.
  • Always use the optional oil filter (p/n A773) when performing tests on oil burning equipment.
  • Never over saturate your sensors by performing tests on equipment with gas levels beyond the capability of you analyzer.
  • Always keep the A794 water trap / filter assembly clean and replace the filter as necessary. Replacement filter part number is A794F.

The TPI 709R Flue Gas Analyzer comes complete with the following standard accessories:

  • TPI 709R Instrument
  • Rubber Boot (A765)
  • Battery Charger (A766) – 1 each
  • Soft Carrying Case (A768)
  • Flue Sampling Probe (A770)
  • In-Line Filter assembly installed on Flue probe (A794)
  • Temperature Probe (GK11M)
  • Mini Pump Protection Filter Assembly and spare filters (A763)
  • Exhaust Spigot (removable) (A764)
  • Instruction Manual

The TPI 709R Flue Gas Analyzer has the following options available:

  • Infrared printer (A740)
  • Spare In-Line Filter (A794F is a package of 5 filters)

 Model 709R Features
Measure CO, O2 & Flue Temperature
Calculate CO2, CO/CO2 Ratio, Efficiency & Excess Air
Dual Input Differential Manometer – Great for performing Standing Pressure or Let By/Tightness Tests
Dual Input Differential Thermometer – Ideal for measuring & recording Flow & Return Temperatures
Ambient CO Analysis
6 Year Warranty* (* subject to annual service being carried out each year by TPI or one of its approved local service centres)
Diagnostic software & technical helpline combine to save time and money on reduced downtime as many of the reported faults can be rectified over the phone keeping you and your instrument working
Unique external water trap filtration system as standard on all kit options preventing loss of downtime or additional costs due to potentially damaged sensors caused by water ingress
10 Fuel options including Wood, Light & Heavy Oil, LPG and Natural Gas
Will not shut off if CO ppm is above 15ppm for increased safety for both the user and the instrument
Unique in-line pump protection filter fitted as standard across all kits preventing loss of downtime or additional costs due to a potentially damaged pump caused by dust/dirt ingress
Protective rubber boot as standard to protect the FGA
Re-Chargeable battery housed in a separate compartment ensuring no heat transfer when using on the mains to affect gas readings
All kits come supplied in a soft carry case to protect not only the FGA but all of your accessories
Capability of sending Live or Stored readings to an optional IR Printer
 Model 709R Specifications
 Instrument
 Operating Temperature Range  14°F to +122°F (-10°C to +50°C)
 Battery / Batery Life  Rechargeable Ni-MH / > 6 Hours
 Charger Input Voltage  115V or 230V : 50/60 Hz AC
 Fuels  Natural Gas, LPG, Light Oil, Heavy Oil, Bituminous Coal,
 Anthracite Coal, Coke, Butane, Wood, Bagasse
 Pressure Ranges  mbar, kPa & inH2O
 Display  Backlit Graphic LCD
 Data Storage  50 sets of readings, multiple pages
 Time and Date  24 Hour Real Time Clock
 Dimensions  7.8” (200mm) x 3.5” (90mm) x 2.4” (60mm)
 Weight  500g
 Casing  Rubber Boot as Standard
 Switch Off  Failsafe
 Exhaust  Safety Spigot
 Conforms to  EN50379

 Flue Temperature Probe
 Construction  Pistol Grip with Stainless Steel Shaft
 Hose Length  8.2’ (2500mm)
 Insertion Length  7.9” (200mm)
 'K' Type Thermocouple Accuracy  +/- 0.3% of fullscale, +/- 2°F (1°C)
 Maximum Temperature  1472°F (800°C)

 Gases  Range  Resolution  Accuracy
 Oxygen  0-25%  0.1%  +/- 0.3%
 Carbon Monoxide  0-10,000 ppm  1 ppm  (<20ppm) +/- 3 ppm
 (>=100ppm) +/- 5%
 Carbon Dioxide (calculated  0-25%  0.1%  Calculated
 CO/CO2 Ratio  0-0.999  0.001  +/- 0.3%
 Combustion Efficiency  0-100%  0.1%  

 Pressure Measurement
 Selectable Ranges  mbar, kPa and inH2O
 Range  - 150 mbar to + 150 mbar
 Resolution  0.01 mbar & 0.1 mbar

Tech Tips

Several factors affect combustion efficiency.

Dirty or clogged air filters reduce the amount of air available for combustion therefore reducing efficiency. Obstructions in the flue block exhaust gases and alter the air mixture in the combustion chamber which reduces efficiency. Air leaks in the combustion chamber also alter the mixture causing decreased efficiency.

The primary way to affect change in combustion efficiency when working with modern gas fired equipment is through gas manifold pressure adjustment.

Confirm manifold pressures are within manufacturers specifications prior to performing a combustion test. Once manifold pressures are within limits a combustion test can be performed to provide information regarding any adjustments that may be needed.

10,000ppm is equal to 1%.

The formula to convert percent to ppm is: ppm = %gas X 10,000. The formula to convert ppm to percent is: % = ppm / 10,000.

The 709, 712, and 714 incorporate a differential manometer.

Pressure applied to the (-) port is subtracted from the pressure applied to the (+) port. Examples of pressures being measured:

(+) port = 10″H2O, (-) port = Not Connected, Displayed reading =10″H2O
(+) port = 10″H2O, (-) port = 5″H2O, Displayed reading = 5″H2O
(+) port = Not Connected, (-) port = 10″H2O, Displayed reading = -10″H2O

Sensor Calibration
The sensors in your analyzer will need to be replaced periodically and calibration is recommended once every year. Electrochemical sensors by nature are always active. Therefore the time the analyzer is off and not being used must be taken into account when determining sensor life. The sensors in your analyzer are warranted for two years. This warranty does not cover sensors damaged through misuse of the analyzer.

Frequently Asked Questions

When should I use the optional A773 oil filter?

If your analyzer is used in an oil fuel application the A773 filter should be used. This filter does not have to be removed for other fuel types.

Should I set my analyzer to net or gross efficiency?

Gross efficiency is the correct choice for applications in the United States.

Can I use any of the TPI analyzers to test for the presence of combustible gas in the flue?

Yes, the 712 has the ability to test for combustible gases in the flue.

Can I log and send test data to a computer?

Yes, the 712 and 714 have the ability to communicate to a computer by using the optional A767 infrared adapter.

Can I test for CO in ambient air?

Yes, the 708, 709, 712, and 714 can all test for carbon monoxide in ambient air.

Do any of the TPI analyzers have a built in manometer?

Yes, the 709, 712, and 714 have built in differential manometers.

TPI Model 709R Demonstration Video

Product Documentationpdf-icon1

Click below to view or download product documentation PDFs:

709R Data Sheet

709R Instruction Manual

709R Features & Benefits

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