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Dew/Frost Point Range:
S2 Sensor Two Stage: -40°C to +60°C (-40°F to +140°F)
A3 Sensor Three Stage: -50°C to +90°C (-58°F to +194°F)
Dew/Frost Point Accuracy: ±0.20°C (±0.36°F) nominal
Dew/Frost Point Sensor: Chilled mirror with 3-wire Platinum Resistance Thermometer (PRT), 100 ohms at 0°C nominal
Depression:
S2 Sensor: 65°C (117°F) nominal
A3 Sensor: 65°C (117°F) nominal
Slew Rate: 1.5°C (2.7°F)/second max, above 0°C
Repeatability: ±0.05°C (0.09°F)
Hysteresis: Negligible
Precision Resolution: 0.1 degrees C or F
Sample Flow Rate: 0.25 to 2.5 liters/minute (0.5 to 5.0 SCFH)
Operating Temperature:
Control Unit: 0°C to +50°C (+32°F to +122°F)
S2 Sensor: -40°C to +60°C (-40°F to +140°F)
A3 Sensor: -50°C to +100°C (-58°F to +212°F)
Display: LCD graphics backlit display, 0.25-inch digits
Analog Output:
Voltage: 0 to 5 Vdc, scalable from -75ºC to +100ºC (-103°F to +212ºF), 1 K ohms minimum load resistance
Current: 4 to 20 mA, scalable from -75ºC to +100ºC (-103ºF to +212ºF), 1000 ohms max loop resistance
Serial Digital Communication:
Interface: RS-232C compatible, 9-pin D sub-miniature connector (female)
Baud Rates: 1200/2400/4800/9600/19200
Protocol: N81
Functions: Output of time, date, and dew/frost point at timed intervals; programming of most keypad functions
Auto Balance Control:
Manual initiation of ABC at any time
Automatic ABC with start time and interval programmable from keypad or RS-232 port
Outputs programmable for Track or Hold during ABC
Dimensions:
Less shock mount base (L x W x H): 13 x 7.6 x 4.9 in. (33 x 19.3 x 12.4 cm)
With shock mount base (L x W x H): 13.1 x 7.6 x 5.8 in. (33.2 x 19.3 x 14.7 cm)
Mounting Configurations:
AS/L: Aircraft sampling module, left side to pilot perspective
AS/R: Aircraft sampling module, right side to pilot perspective
Power Requirements: 90 to 240 Vac, 50-60 Hz, 75 W maximum
Fuses:
90 to 150 Vac Operation: 1 A, 3 AG, 250 Vac, Slo-Blo
160 to 240 Vac Operation: 1 A, 3 AG, 250 Vac, Slo-Blo
Options: Additional sensor cable over 15 feet, S2 sensor mounted to control unit
