Specifications:
Accuracy and Resolution: At constant temperature, accuracy better than 0.2% of full scale, 1 - 100% oxygen, resolution 0.001%O2; Barometric pressure accuracy better than 0.05% of full scale, resolution 0.001 kPa
Analog Outputs: Oxygen (5 ranges); Barometric pressure (3 ranges); Temperature (3 ranges); CO2 (5 ranges); Flow rate (8 ranges)- Water vapor pressure/water vapor density (10 ranges); Flow rate (5 ranges)
Barometric Pressure Compensation: Executed in floating-point math; eliminates drift caused by variations in barometric pressure
Digital Filtration: Adjustable from zero to 50 seconds for 0-63% of a step change, in 0.2 second increments.
Flow Rate:Main flow: 10 - 100 or 40 - 500 liters/min mass flow rate. Subsample/low flow: 20 - 1500 ml/minute mass flow rate. Both accurate to 2% of reading
Internal Data Acquisition: 8 channels -5.12 - +5.12V, 16 bits; 4 channels temperature/resistance voltage (0-5.12V), all 16 bits; 8 digital outputs; two analog outputs (0-5V, 12 bits)
Internal Data Storage: 8000 points, each point comprising all measured parameters
Noise and Drift: Oxygen- At constant temperature, flow rate and oxygen concentration- Noise < 0.003% pk-pk over 20 minutes; Drift < 0.02% / 24 h. CO2- Noise < 3 ppm pk-pk, drift < 0.002% / 24 h. Water vapor- At 0% RH, Noise < 0.005%RH, drift < 0.2RH / 24h
Operating Temperature: 0 - 45 degrees C, relative humidity non-condensing
Panel Displays: Two 2-line alphanumeric LCDs, one 4-line alphanumeric LCD, backlight selectable
Power Requirements: 24VDC, 500 mA - 6 A depending on operation. Universal adapter supplied
Range: Oxygen- 0 - 100% (best accuracy above 1%) or 0 - 105 kPa O2 partial pressure; barometric pressure 30 - 110 kPa; CO2 0 - 10%; Water vapor- 0-99% RH (non-condensing), 0-5000 kPa WVP, 0 - 10 ug/ml WVD
Response time: Oxygen- < 7 seconds for 10-90% of a step change at a subsampling rate of 200 ml/minute; carbon dioxide < 1 sec; water vapor < 8 sec; all can be substantially reduced during data analysis
Serial Data Output: Comma delimited ASCII string of all measured parameters, standard RS-232 serial, baud rate adjustable from 9600-115200, polled or auto-sent at user definable intervals from 0.1 - 600 seconds
Size/Weight:27" x 20" x 15" (67 x 50 x 37 cm); 57lbs (26 kg); hermetically sealed when closed
Technology: Oxygen- Fuel cell, not harmed by moisture, CO2 or particulates; 18-36 month life, user-replaceable. CO2- Non-dispersive dual wavelength IR, gold-plated optical path. Water vapor- Capacitive sensor with porous platinum electrodes
Tubing Fittings: Nickel plated barb fittings for 1/8" (3 mm) i.d. flexible or semi-rigid tubing; other fittings available to special order
User Interface: Intuitive menu system backed by nonvolatile memory of user settings. Single-click spanning at default span settings
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