Features
- Span, calibrate, and change multiple using control knobs and LED display
- Barometric pressure compensation eliminates errors caused by ambient pressure variation
- Scalable analog and digital output
- Fast response time of 0.5 second
- Resolution down to 1 ppm
- Intuitive Menu System
- Internal 16-bit A/D conversion
Description
The CA-10 Carbon Dioxide Analyzer measures CO2 in a range of applications from respirometry to industrial gas monitoring. It features a dual-wavelength infrared sensor that provides stable, fast response in a broad CO2 measurement range. Operation is intuitive and flexible, allowing easy operation by a wide range of users. High resolution of 1 ppm at atmospheric levels assures you of trustworthy results.
Barometric pressure compensation is standard. Direct modulation of the infrared source translates to greater ruggedness and reliability versus chopper-based CO2 analyzers. The optical bench is differential (dual-wavelength), reducing drift and virtually eliminating sensitivity to water vapor. The design of our optical bench is proprietary, using a low volume, gold-over-nickel-plated optical path and the highest quality machining – with premium emitter, differential detector and optical filtration components.
Depending on your application, the CA-10 CO2 analyzer can be supplied in two different optical bench lengths, optimized for 0-5% or 0-10% CO2. We will recommend the appropriate model for your application at time of order (0 – 5% is typical).
The CA-10 CO2 analyzer is easily interfaced to any data acquisition system or data-logger. Eleven ranges of voltage proportional to carbon dioxide concentration or partial pressure, plus multi-range outputs proportional to barometric pressure and optical path temperature, are easily accessed at the rear panel using high-quality BNC connectors. Serial output provides further versatility.
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Specifications
| Accuracy and Resolution: | At constant temperature, accuracy better than 1% of calibrated span, Resolution to 1 ppm/0.0001% |
| Analog Outputs: | 0 – 5 Volts, adjustable from 0 – 100 ppm/10 Pa, to 0 – 20%/kPa carbon dioxide in eleven ranges, plus separate outputs for optical bench temperature and barometric pressure, 4 ranges each; short circuit protected |
| Concentration Ranges: | 0-5% CO2 standard; 0-10% CO2 optional; or 0 – 10 kPa CO2 |
| Connections: | Nickel plated barb fittings for 1/8in (3mm) ID flexible or semi-rigid tubing |
| Display: | Digital, 2 x 16 alphanumeric LCD |
| Flow Rates: | 5 – 2000+ ml/min. Recommended flow rate from 20 – 500 mL/min |
| Noise and Drift: | At constant temperature, flow rate and CO2 concentration- Noise < 1 ppm RMS (5 sec digital filtration setting), over 20 min near zero; Zero drift < 0.002% over 24 hours |
| Readout: | Selectable between %CO2 (barometric pressure corrected), %CO2 (uncorrected), kPa CO2 partial pressure; barometric pressure displayed on line 2 to .001 kPa |
| Response Time: | <0.5 second for 10% to 90% of a step change (200 mL/min, no averaging) |
| Serial Output: | RS232-8N1; both polled and broadcast modes available |
| Technology: | Dual wavelength non-dispersive infrared spectrometry with gold-plated optical path and sapphire windows |
| Recommended Calibration Interval: | 1 Year |
| Power Requirements: | 12 – 24 VDC; universal adapter supplied |
| Dimensions (W x D x H): | 12 x 12 x 4 in. (30.5 x 30.5 x 10.2 cm) |
| Weight: | 5 lb (2.3 kg) |
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