Chapter 4 Specifications and Accessories
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INPUTS: (Cont)
Linear Channel:
Linear DC Voltage Range: ±1 Vdc
Accuracy: ±2% of full scale
Resolution: 0.001 Vdc
Air Probe 20:
Detector: Hot Wire
Range: 0 – 20 m/s (0 – 3940 FPM)
Increment 0.1 m/s ( 20 FPM)
Measurement Inaccuracy: (0.12 m/s +4.5% of Measured Value)
Battery Life: 6-8 hours for fully charged NiMH battery
Battery Charge Time: 9 Hrs.
Data Storage:
Standard: 57,344 total samples
Display Type:
20-character by 4-line backlit LCD
Real Time Clock Accuracy:
0.01%
Time History:
Sample Rate: 1 Second Fixed
Storage Rate (Sampling Interval): User selectable, 1Second, 1 Minute,
5 Minute, 10 Minute or 15 Minute samples or averages.
Statistics Saved: Up to 5 data values per sampling interval: (CO2,
Temperature, Relative Humidity, Gas and Linear Input).
Communications:
Format: RS-232, 1Start, 8 Data, 1 Stop Bit & No Parity
Baud Rate: 1200 to 38400
Printer Output:
Summary Report: Separate reports for each logging session indicating
Minimum, Maximum, and time of occurrence, elapsed time and Average Per
session.
Time History Report: All recorded data values with date and time stamp.
Power:
Internal: Battery Type: 4 AA alkaline or rechargeable NIMH battery pack
External: 6.0 Vdc @ 0.5 amp, supplied by AC Power Adapter
Operational Life: Greater than 15 hours using AA alkaline batteries; 7 hours
typical using optional battery pack at 25°C
Data Retention: 30 days in the event of a low battery
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