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Oxygen, CO2 and Oxygen/CO2 Analyzers

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                     Bridge model 900041 Oxygen Gas Analyzer

                    Bridge Analyzers for measuring gas levels in food packaging


O2 (Oxygen) Analyzer Model 900041, CO2 (Carbon Dioxide) Analyzer Model 900051 and O2/CO2 Analyzer Model 900141. The 900041 measures O2 only, 900051 measures CO2 only and the 900141 measures both O2 and CO2.

These products are simple, robust industrial gas analyzers designed specifically for MAP packaging use. They combine QA lab gas analysis accuracy with production line reliability, for direct end-of-line headspace gas measurement for QA conformation testing. This is the fourth generation of a product that has been in continuous production for 10 years, with hundreds of analyzers currently being used in packaging plants around the world – measuring Oxygen and Carbon Dioxide in a wide variety of products. O2 is measured from 0.001% (10 ppm) residual oxygen for air-displacement processes up to 100% for oxygen enriched MAP. CO2 is measured from 0.01% to 100% for those using CO2 in their process gas and for product respiration / ripening testing. These analyzers are fully digital, rugged products that are intuitive and easy to use. With a single button push, O2 and CO2 are measured and displayed in 12 seconds using robust technology that holds calibration over years of use.

Product Features

Rugged and Durable: The analyzer is enclosed in a small NEMA-4 housing inserted in a soft-filled carrying/storage case. It is designed to provide years of trouble-free service in end-of-line use.
Cordless and Mobile: The products have a large battery pack that provides 6-8 hours of cordless operation for exceptional mobility and flexibility on the process line. They also may be configured with an optional extended battery pack for 2-shift (16 hours) cordless operation.
Simple and Intuitive: The analyzer is easy to operate with a minimum of training. All analyzer controls are by means of push buttons on the front panel, and gas readings are shown on bright LED readouts as they are taken.
Low Cost of Ownership: The analyzer uses intrinsically stable gas measurement technology and does not need to be returned to the factory for periodic service or calibration.

900041 O2 Analyzer Operating Manual   900141 O2/CO2 Analyzer Operating Manual

MAP Headspace Analyzer Specifications
Model 900041 (O2 only), 900051 (CO2 Only), 900141 (CO2 and O2)
Gas Measured: Oxygen (O2) 900041
Carbon Dioxide (CO2) 900051
Oxygen (O2) and Carbon Dioxide (CO2) 900141
Measurement Method: Oxygen: Electro Chemical Sensor
Carbon Dioxide: NDIR - Non-Dispersive InfraRed
Measuring Ranges: Oxygen: 0.000% to 100.0%
Carbon Dioxide: 0.000% to 100.0%
Resolution: Oxygen: 0.01% above 2.00% O2, 0.001% below 2.000%
Carbon Dioxide: 0.01%
Accuracy: 4% relative to gas reading
Repeatability: 1% relative to gas reading
Response time: 8 seconds to 95% final reading
15 Seconds to 99.5% final reading.
Sampling Rate: 4 ml/sec nominal.
Sample Time: Adjustable in 1 second intervals. Factory default 15 seconds (10 seconds 900051.)
External Gas Contaminate Protection: External water blocking and particle filter (customer accessible) protects analyzer from test gas-borne contamination.
Internal Gas Contaminate Protection: Internal water blocking and particle filter (customer inaccessible) protects analyzer from test gas-borne contamination.
Start-up accuracy: 900041: Full accuracy 30 seconds from power up.
900051: Full accuracy 3 minutes from power up.
900141: 10% relative 30 seconds from power up, full accuracy in 3 minutes.
Operating Temperature: +0 to +40 degrees C.
Power: Line power
Internal battery
110V/220 VAC Universal Wall Supply
NiMH battery pack, 6-8 hours per charge.
Optional extended battery: Optional extended battery pack provides 16 hours continuous operation on an overnight charge.
Weight: Unit alone:
In soft case:
2.5 Lbs.
3.5 Lbs.
Size: Unit alone:
In soft case:
6-1/4"L x 3"W x 3-1/2"H
8-1/2"L x 5"W x 5"H
PC Interface: Fully sealed serial port, 9600 baud.

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