The Model 309A Series utilizes a single cell infrared detector for CO2 and a customer replaceable electrochemical sensor for O2. Neither sensor is affected by water vapor or other gas vapors in the sample gas. The O2 sensor typically lasts 3-4 years.
In operation, a built-in sample pump draws in the gas sample through the sample hose, filter/condensate trap, secondary filter and flow meter then on to the CO2 and O2 detectors. The gas readings are then displayed on LCD digital meters which have switchable backlights for use in dark areas.
A rechargeable battery provides enough power for about 8 hours of continuous operation and the analyzer can be used while it is being recharged. The recharger is included.
Specifications
Method of Detection |
N/A Infrared detector for CO2 Long life electrochemical O2 sensor |
Ranges Available |
N/A 0-25% O2 (Other ranges available) 0-3000 PPM; 0-5000 PPM; 0-1%; 0-10%; 0-20%; 0-50%; 0-100% CO2 |
Resolution |
N/A 0.1% on % versions or 10 PPM on PPM versions |
Accuracy & Repeatability |
N/A Within ±2% full scale |
Drift |
N/A Within 1% of full scale per 8 hours of continuous operation |
Response Time (T-90) |
N/A O2 less than 10 seconds; CO2 less than 30-40 seconds to T-90 |
Ambient Temperature Range |
N/A 4 to 49 ºC40 to 120 ºF |
Linearity |
N/A Within ±1% of full scale |
Size & Weight |
N/A 14" L x 10 1/2" W x 6" H @ 12 lbs (36 x 27 x 15 cm @ 5.5 kg) |
Power |
N/A AC/DC Operation, 115 VAC, 60 Hz for recharging |
Output Options |
N/A 0-1 VDC 4-20 mA |
Applications
|
N/A For checking carbon dioxide (CO2) and oxygen (O2) in controlled atmoshpere (C/A) storage rooms, welding gas mixtures and other process applications. |
Features
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N/A
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