| FoxBox Specifications: |
| Technology: O2: Fuel cell, 18-36 month life, user-replaceable. CO2 (optional): Dual-wavelength non-dispersive infrared |
| Range: Oxygen: 0 - 100% (best accuracy above 1%); barometric pressure 30 - 110 kPa; CO2 (optional) 0 - 10%, 0 - 15% available to special order |
| Accuracy and Resolution: At constant temperature, accuracy better than 0.2% of full scale, 1 - 100% oxygen, resolution 0.001%; Barometric pressure accuracy better than 0.1% of full scale, resolution 0.001 kPa; CO2 (optional) accuracy typically better than 1% of reading |
| Noise and Drift: At constant temperature, flow rate and concentration: O2 noise < 0.004% pk-pk over 20 minutes; Drift < 0.03% over 24 hours. CO2 noise < 5 ppm pk-pk over 20 minutes, drift < 15 ppm over 24 hours |
| Response time: O2: < 7 seconds for 10-90% of a step change at 200 ml/minute (can be substantially reduced during data analysis), CO2: < 2 seconds for 10-90% of a step change |
| Flow Range: 20 - 2000 ml/minute, measured and/or controlled via linearized mass flow meter. Accuracy 2% of reading. Temperature and barometric pressure compensation to STP is not required |
| Barometric Pressure Compensation (O2, CO2): Executed in floating-point math; eliminates drift caused by variations in barometric pressure |
| Four Analog Outputs: Oxygen (3 ranges, 1 range zero-suppressed); Barometric pressure (3 ranges, 2 ranges zero-suppressed); CO2 (6 ranges); flow rate (7 ranges). Other outputs, e.g. temperature, can be set via the menu system. 0-5V output with 16 bit resolution on all outputs |
| Two Accessory inputs: Configuranble for temperature (-5 - 60C, accuracy 0.2C, resolution 0.001C with optional thermistor probe) or voltage, 0-5V, 16 bit resolution. |
| Serial Data Output: Comma delimited ASCII string of all measured parameters, standard RS-232 serial, baud rate 115200, polled or auto-sent at user definable intervals from 0.1 - 600 seconds |
| Digital Filtration: Adjustable from zero to 50 seconds for 0-63% of a step change, in 0.2 second increments |
| User Interface: Intuitive menu system backed by nonvolatile memory of user settings Single-click spanning at default span settings |
| Internal Data Storage: 8100 data points (all parameters included), 0.1 - 600 sec interval, multiple recordings supported, non-volatile, uploadable to PC-compatible computer using included software |
| Panel Display: Digital 4-line alphanumeric LCD, simultaneous display of oxygen (0.001 % or 0.001 kPa resolution), flow rate and barometric pressure (0.001 kPa resolution). CO2, if available, also displayed |
| Temperature Compensation: Internal to the fuel cell, optimized over 15 – 45 °C range; External optionally uses temperature data (full details supplied on request) |
| Tubing Fittings: Nickel plated barb fittings for 1/8" (3 mm) i.d. flexible or semi-rigid tubing; other fittings available to special order |
| Power Requirements: 9 - 24VDC (12 VDC nominal), < 100 mA. 110VAC or 220VAC adapter supplied |
| Operating Temperature: 5 - 45 degrees C, relative humidity non-condensing |
| Size/Weight: 13" x 10" x 4" (33 x 25 x 10 cm); less than 10 lbs (4.5 kg)\ |
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