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Bacharach Combustion, Gas Detection Instruments

 Combustion Analyzers
 Refrigerant, Combustible Gas Detecters
 CO2 Analyzers, Monitors
 N2O Monitors

Combustion Analyzers

Portable Combustion Analyzer (PCA2)

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The PCA2 is the new standard in combustion and emissions analysis. It is designed to test light industrial, commercial and residential furnaces and boilers.

It features the use of smart sensors, smart power supplies, separate CO over-range protection with built-in purge pump, large backlit display with zoom capabilities, backlit key pad, field replaceable thermocouples, advanced communications capabilities, built-in user diagnostics for sensor and battery life, easily accessed sensor compartment, two-year instrument warranty including sensors. The PCA2 significantly reduces the cost of ownership and provides the user with the most features on the market in a hand-held combustion analyzer.


  • Can install up to 4 smart sensors providing more measurement capability
  • Built-in CO purge pump for over range protection
  • Large backlit display with zoom feature
  • Easy field calibration with the use of pre-calibrated smart sensors
  • Complete user diagnostics for sensor life and battery strength
  • Easy access to sensor housing makes sensor replacement quick and simple
  • Can use either rechargeable or disposable AA batteries
  • Measures both NOx and SO2 for emissions analysis
  • Uses field replaceable thermocouples
  • Intuitive user interface for easy menu navigation
  • Field replaceable thermocouples
  • Can store up to 500 tests which can be down loaded or printed to an IrDA printer
  • Recessed probe and hose connections
  • Two year instrument warranty including sensors
  • Can data log up to 500 readings at pre-selected intervals to provide test information over changing environmental conditions
  • Low cost of ownership with the use of smart sensors and built-in diagnostics


Bacharach ECA 450 Efficiency & Environmental Analyzer

The ECA 450 is ideal for professionals concerned about combustion efficiency, environmental compliance, or both. 

It enables plant maintenance engineers and managers, industrial boiler/furnace service technicians, energy coordinators, compliance officers, environmental auditors and safety managers ensure that industrial equipment is burning efficiently while environmental regulations are being met.


  • Large, easy-to-read fluorescent display that is visible from wide angles. 
  • Battery life of over eight hours. 
  • Modular design lets you add sensors as your needs change. 
  • Built-in printer and complete data downloading to a PC capability. 
  • EPA-ETV test verified performance. 
  • Measures and displays O2 and CO in the flue gas, pressure (draft), primary air temperature, and stack temperature. 
  • Calculates and displays combustion efficiency, excess air, and CO2. 
  • Optionally measures and displays NO, NO2, SO2, HC (methane equivalent combustibles), and CO in the high range of 4,000 to 8,000 ppm). 
  • Optionally calculates NOx (the combination of NO and NO2), and calculates CO, SO2, and NOx individually referenced to a user defined Oxygen level of between 0 and 15%. 
  • Optionally displays pollution conversions for CO, NO, NO2, and SO2. Pollution conversions include parts per million, pounds of pollutant per million BTU, milligrams of pollutant per cubic meter of gas, and grams of pollutant per gigajoule. 
  • Stores over 1000 individual combustion and/or pressure test records, which can later be recalled for viewing or printing. 
  • Stored test records can be downloaded to a personal computer and stored as a text file, which can then be opened in a spreadsheet program for analysis. 
  • Performs datalogging. 

Electronic Combustion Analyzers ---

The Model 300 has a micro-processor that controls the sequence of operation while calculating burner efficiency. Programmed routines lead the operator through the proper procedures, signaling the appropriate action, and waiting until the correct steps are taken.

Available in several versions including Fahrenheit or Celsius temperature measurements; 120 VAC, 240 VAC, and Lead Acid Battery Pack; standard or Siegert formulas for determining combustion efficiency.

Model 300 Series 


  • Angled display panel allows the operator to conveniently view the panel from any working position. 
  • Integral printer is available for permanent record of displayed values. 
  • Choose from two to four electrochemical sensors: oxygen, carbon monoxide, oxides of nitrogen, and sulfur dioxide. Sensors are externally mounted for fast, uncomplicated installation. 
  • Industrial probe is made of stainless steel measuring 11.5 inches. Hose assembly is a lengthy 22 feet. Longer lengths are available. 
  • Roomy, rugged carrying case easily accommodates instrument and accessories. Lightweight, durable and compact, weighs about 15 pounds. 
  • Three large digital displays with continuous and independent functionality. 
  • High performance pump continuously draws filtered flue gas into the unit. 

  • Optional printer that provides a permanent record of displayed values.

Fyrite® Pro Residential Combustion Gas Analyzers

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The Fyrite Pro lets HVAC professionals quickly and accurately evaluate and service residential combustion applications, saving them both time and money.

    Six new models 

  • Completely upgradeable from CO-Tester to Combustion Analyzer 
  • Measure CO, draft, O2, air & stack temperature, differential pressure 
  • Calculate CO2, combustion efficiency, excess air, CO-air free 
Each unit is easy to use. You just turn it on, select the fuel and insert the probe into the flue gas. That’s it.  Each unit works with an optional infrared printer that documents readings in a flash.  It comes complete with a carrying case, probe and hose assembly, and batteries.  An optional magnetic rubber boot offers hands free operation.

Features of the Fyrite Pro:

  • Affordable. Each of the six Fyrite Pro base models are economically priced, and offer feature upgrades for less than the cost of a brand new instrument. 
  • Simple to use. Turn the unit on, select the fuel, and insert the probe. it's that easy. 
  • Quick payback. The Fyrite Pro reduces service call time by providing accurate, electronic test results instantly. 
  • Record test results. Test data can be documented using the "hold" key which freezes readings and transfers them to the infrared printer (no wires). 
  • Accurate Operation. Tactile feedback from the instrument's keypad assures that the appropriate key has been activated. 
  • Purchase Protection. Our two year warranty on each analyzer and its sensors ensures worry-free operation. 
  • Ergonomically designed. It's lightweight and fits in the palm of your hand. And, a unique hand-strap makes the instrument easy to handle. 
  • Long battery life. Four alkaline batteries typically offer 24 hours of continuous operation with an automatic "power off" feature that saves energy. 
  • High quality. The Fyrite Pro is internationally recognized and CE Certified. 

Condensed Specifications of The Fyrite Pro

  • Measurement Ranges:
  • Combustion Air Temperature  0 to 212oF (100oC)
  • Flue gas Temperature  0 to 999oF (18 to 537oC)
  • Oxygen  0.1 to 20.9% O2
  • Carbon Monoxide  0 to 2,000 PPM CO
  • Draft/Differential Pressure  -27.0 to +27.0 in. WC 
  • Calculated Ranges:
  • Combustion Efficiency  0.1 to 99.9%
  • Carbon Dioxide  0.1 to 20.0% (fuel dependent)
  • Carbon Monoxide (air free)  0 to 9,999 PPM
  • Excess Air  0 to 250% 
  • Selectable Fuels:
  • Natural Gas (F1)
  • Oil #2 (F2)
  • Propane (F3)
  • Oil #6 (F4) 
  • Power:  Four disposable AA alkaline batteries (included) 
  • Battery Life:  Over 24 hours of continuous operation 
  • Size:  7.5"H x 3"W x 2.2"D 
  • Weight:  16 oz. with batteries 
  • Warranty:  2 years, including sensors

Portable Combustion Analyzer (PCA)

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The Portable Combustion Analyzer is your complete combustion analyzer. It is reliable and easy to use.
The PCA is the perfect tool for service technicians who need to determine safety and/or efficiency in combustion applications. Residential furnaces, hot water heaters, boilers, and ovens are just a few typical areas of use. The device can also be used in gas utility and weatherization applications where indoor air safety is a concern.

By utilizing the optional printer, you can provide hard-copy evidence of the need for repairs or replacement of your customers appliances. They will appreciate a record of your tests.

The new communication features of the PCA 55 and the PCA 65 allow the user to store up to 100 tests, customize each combustion test with customer information, generate a personalized printout, and download all of this information to a personal computer for record keeping and trend analysis.

All versions of the PCA are upgradeable.


  • Directly measures and displays flue gas Oxygen, temperatures, Draft, CO and NOx 
  • Calculates and displays combustion efficiency, excess air, carbon dioxide, and CO air free 
  • Large display shows eight (8) different values simultaneously with back light 
  • Long life, disposable batteries with an optional 120 VAC power supply 
  • Two year warranty on instruments and sensors 
  • Draft, CO, NOx measurements (optional) 
  • Seven (7) North American fuels 
  • Optional probes for a variety of applications 
  • Dated results can be recalled to the display screen at any time 
  • Separate temperature sensor for combustion air 
  • Performs local emissions reporting quicker than ever before by selecting the O2 reference between 0 and 15% O2 (PCA 55 & 65 units only) 
  • Stores up to 100 combustion tests for downloading to PC or printer (PCA 55 & 65 units only) 

 Condensed Specifications

  • Power: Four replaceable, AA-size batteries (optional 120 power supply) 
  • Battery Life: Approx. 8 continuous hours 
  • Measures: Oxygen level, primary/air temperature, stack gas temperature, Carbon Monoxide (optional), and draft (optional) 
  • Calculates: Combustion efficiency, excess air, Carbon Dioxide, and Carbon Monoxide (air free) 
  • Weight: 1.5 lb (0.68 kg) instrument only 
  • Dimensions: 7.9"x3.3"x2" (200x85x50 mm)

Refrigerant & Combustible Gas Leak Detectors

The Informant™ 2

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The Informant™2 leak detector allows pinpoint detection of both refrigerant and combustible gas leaks with the same instrument. 

Its unique combination of state-of-the-art patented sensor technology, advanced software design and microprocessor controlled circuitry offers you unmatched precision coupled with tremendous speed. It is unquestionably the most sensitive, most reliable, most accurate leak detector on the market today. And the fastest. 

Swap sensor tips within seconds and never worry about adjusting sensitivity levels–it’s taken care of automatically–even where high levels of background vapors or refrigerants are present. The refrigerant sensor tip is finely tapered to 0.2 inch diameter–so you can get in between coils and fittings, gaining access to hard to reach areas. 

The Informant™2 leak detector features an audible indicator with a mute option coupled with sequential LEDs to monitor increasing concentrations of refrigerant or combustible gases. 


  • One instrument—two functions
  • Lightweight and ergonomically designed
  • Swap sensor tips in seconds
  • Microprocessor controlled for accuracy and reliability
  • Sensitivity is automatically adjusted
  • Sensors are the industry's most responsive
  • Hydrophobic filter prevents moisture contamination
  • Optional rubber boot holds MagLite® flashlight
  • Sequential flashing probe tip, dual LED displays and loud tick rate indicates relative concentration levels
  • Detects all halogens and combustibles
  • Response time is two-tenths of one second
  • Probe length adjustable from 3" to 20"


  • Sensing Elements: 
  • Refrigerant Heated Diode – U.S. Patent No. 5,932,176 
  • Combustible Patented semiconductor type. Five year typical life. Plug-in replacement. 
  • Refrigerants Detected - All CFC, HCFC and HFC refrigerants including: R-12, R-22, R-123, R-134a and blends R-404A, R-408A, R-409A and R-410A (i.e., any refrigerant containing Chlorine, Fluorine or Bromine gas) 
  • Combustible Gases Detected - All combustible gases and vapors 
  • Alarm Sensitivity:
  • Refrigerant 0.25 oz/year of R134a (hardest to detect refrigerant) 
  • Combustibles Minimum 50 PPM (Methane) 
  • Alarm Types - Audible and dual visual LEDs 
  • Power Source - Four (4) AA disposable alkaline batteries included 
  • Warm-up Time - 10 seconds 
  • Response Time: 
  • Refrigerant 0.2 second 
  • Combustibles 0.2 second 
  • Battery Life - 4 to 5 hours, under typical intermittent operation. 
  • Probe - 20" (50.8 cm) maximum length, fully extended; 3" (7.62 cm) if wrapped around instrument. Includes LED indicator 
  • Size - 1.75"W (4.44cm) x 9.62"L (24.43cm) x 2.25"H (5.72 cm) 
  • Weight - 0.86 lbs. (0.39 kg) with batteries 
  • Agency Approvals: 
  • Refrigerant UL listed in accordance with SAE J1627 
  • Combustible MET Lab certified to UL 913, intrinsically safe for use in Class I, Division 1, Group D hazardous areas. 
  • CE-Mark - Independently tested 

CO2 Analyzer 2810

---Offers Automatic Pressure Compensation

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When measuring carbon dioxide (CO2), your measurements can be influenced by pressure and elevation changes causing significant errors in the readings. Unlike other CO2 instruments, only the Bacharach CO2 Analyzer 2810 offers automatic pressure and elevation compensation, providing a more reliable and accurate reading. 

The Bacharach CO2 Analyzer 2810 is a compact and lightweight CO2 analyzer. This analyzer uses a low power, dual wavelength infrared cell to monitor excessive concentrations of CO2. The built in user cal feature enables auto calibration with the push of a button.

Typical applications include indoor air quality surveys, HVAC ventilation verification, incubator CO2 analysis, and leak detection for bulk storage, high pressure CO2 systems and fermentation and carbonation processed.


  • Instrument operates in diffusion mode 
  • Available in 0-10,000 ppm 
  • Maintenance free dual wavelength infrared CO2 sensor 
  • Continuous or snapshot data logging with the push of a button 
  • User cal feature 
  • Simple and safe to use

 Condensed Specifications

  • Range and Resolution
  •    0-10,000 ppm CO2
  • 10 ppm resolution
  • Power Source: Nickel-metal hydride battery providing up to 8 hours of continuous operation on a 2 hour charge 
  • Operating Temperature: 32°F to 104°F (0°C to 40oC) 
  • Relative Humidity: 0 to 99%, Non-condensing 
  • Dimensions: 5.5"L x 2.6"W x 0.8"H 
  • (140 mm x 66 mm x 20 mm) 
  • Weight: 7 oz.. (200 gm) 
  • Construction: Hi Impact ABS Case 

CO2 Continuous Monitor 2850

The CO2 Continuous Monitor 2850 is a wall mounted system that continuously monitors CO2 levels in buildings or other enclosed structures from 0 to 5%.

Designed for the immediate response of excessive concentrations of CO2, this versatile continuous monitor will provide indoor air safety monitoring for workers in industries including: horticulture and agriculture, food processing plants, high pressure CO2 storage areas, breweries and wineries and anywhere there is a risk of exposure to high levels of carbon dioxide.

Installed indoors or out, the Bacharach CO2 Continuous Monitor monitors CO2 locally (at the sensing module) using a reliable infrared detection unit. The sensing module has visual fault, low alarm (1.5%) and high alarm (3.0%) indicators.


  • Accurate and rapid response to CO2 concentrations 
  • Visual alarm indications and audible alarm output 
  • Maintenance free dual wavelength infrared CO2 sensor 
  • Rugged housing 
  • IrDA link for gas or air calibration 
  • Affordable price 
  • Simple and safe to use

 Condensed Specifications

  • Range:  0 to 5% CO2 
  • Power Source: Line Power 110 VAC, 220 VAC or 8-36 VDC 
  • Operating Temperature: 0°F to 104°F 
  • (0°C to 40°C) 
  • Relative Humidity: 0 to 90%, Non-condensing 
  • Dimensions: 4.7"L x 2.6"W x 2.6"H 
  • (120 mm x 65 mm x 65 mm) 
  • Weight: 2lb. (0.9kg) 
  • Construction: ABS Plastic 


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