Often we are asked to help customers decide which instruments best fit their needs. Take a look at the information below to help select which instrument is best suited for your activities. If you have further questions, contact us.
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Snifit 50

This instrument is designed for measuring ambient air only.
Monoxor II
This instrument is designed for home inspectors, fire departments and other emergency responders. This instrument can also be used by residential HVAC contractors, but, we suggest contractors consider the Fyrite Pro series as these have the capability to print and can be upgraded to full combustion analyzers in the future.
The Monoxor II is capable of performing carbon monoxide measurements in:
It is easy to operate and has been a dependable instrument for more than a decade.
Comes
complete with Hose & probe assembly and includes hard carrying case.
CO
display requires manual adjustment to reference atmosphere (manual Zero)
For more information and product spec's, click here.
Fyrite Pro Series - 100, 120, 125

The Fyrite Pro is designed for use by residential HVAC contractors.
Fyrite Pro 100
Fyrite Pro 120
Fyrite Pro 125
For more information and product spec's, click here.
PCA2 Series

The PCA2 is designed for heavier duty residential/commercial/industrial combustion testing and is easy to use.
The sensors are field replaceable and easily accessible.
The instrument can be upgraded simply by plugging in the new sensor modules - the drivers are already in the motherboard.
This instrument has a USB port and comes with Window's based software to directly download the test results to an Excel Spreadsheet.
It is capable of printing test results (with your company's name and phone number) and also has a memory feature so that test results (500) can be saved at the push of a button and printed later. This is particularly important when testing power burners or modulating equipment.
The PCA2 also has a much stronger pump which will pull against high stack draft conditions and can be used with an optional 20 foot hose and probe extension.
The PCA2 has a "hydrogen compensated" CO sensor which provides more accurate CO readings in flue gas samples. All of the less expensive analyzers on the market have non compensated CO sensors which are cross sensitive to hydrogen. The amount of hydrogen produced in the combustion process is dependent on flame conditions and is extremely variable particularly on commercial burners where higher flame temperatures may result in hydrogen production.
Another advantage to the PCA2 is that all the readings are displayed in the screen at the same time. You can also select the order in which the readings display. It also has a zoom feature which zooms in to three parameters then scrolls through the rest of the readings.
The PCA2 has a wider range of CO readings (up to 4,000ppm's) and is also available with a CO capable of up to 20,000ppms.
It is powered by 4 disposable AA batteries, rechargeable batteries and has an optional 120v power source that can also be used to recharge the rechargeable batteries.
PCA2 225
PCA2 235
PCA2 245
PCA2 255
PCA2 265
PCA2 275
For those doing NOx emissions testing, the local air quality management district may require a Sample Conditioning Probe, available as an option.
A hose/probe assembly, hard shell case and magnetic boot are included for the PCA2.
For more information and product spec's, click here.
ECA 450

The ECA 450 was developed for use for the commercial/industrial market and meets the EPA/TVA approval requirements. Each instrument is custom designed to fit your present needs, and still have the capability to upgrade when necessary.
Plus, it has a lot of additional features such as:
If you do commercial/industrial burner set up/maintenance or are required to meet certain emission requirements, consider the 450.
For more information and product spec's, click here.
| Instrument | Flue Gas CO | Ambient CO | Printing Capabilities | Oxygen, CO2, Excess Air, SSE | Pressure | Memory | Hydrogen Compensated CO sensor | Advanced Communications to PC 1 | Customizable Printout 2 |
| Snifit | X | ||||||||
| Monoxor II | X | X | |||||||
| Fyrite Pro 100 | X | X | X | Hold Button | |||||
| Fyrite Pro 120 | X | X | X | X | Hold Button | ||||
| Fyrite Pro 125 | X | X | X | X | X | Hold Button | |||
| PCA2 225 | X | X | X | X | X | Hold & Save 500 | X | X | X |
| PCA2 2354 | X | X | X | X | X | Hold & Save 10 | X | X | X |
| PCA2 2455 | X | X | X | X | X | Hold & Save 10 | X | X | X |
| PCA2 2556 | X | X | X | X | Hold & Save 10 | X | X | X | |
| PCA2 2657 | X | X | X | X | X | Hold & Save 10 | X | X | X |
| PCA2 2658 | X | X | X | X | X | Hold & Save 100 | X | X | X |
| ECA 4503 | X | X | X | X | X | Hold & Save 2000 | X | X | X |
Advanced Communications to PC 1 -- Information can be downloaded and recorded on a pc or laptop.
Customizable Printout 2 -- Can be programmed to print customer or company name on printout.
ECA 4503 -- Many more features and capabilities than listed here.
PCA2 2354 - Includes a Nitric Oxide (NO) sensor
PCA2 2455 - Includes a high range CO sensor (20,000ppm)
PCA2 2556 - Includes a Sulfur Dioxide (SO2) sensor
PCA2 2657 - Includes Nitric Oxide (NO) and Nitrogen Dioxide (NO2) sensors
PCA2 2658 - Includes Nitric Oxide (NO) and Sulfur Dioxide (SO2) sensors