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PS-525 SPECIFICATIONS
Digital Altimeter:
Display Range – model PS-525: -1000 to 35,000 feet (-305 to 10,700 meters)
Display Range – model PS-525A: -1000 to 50,000 feet (-305 to 15,240 meters)
Vacuum Pump Range – model PS-525: -1000 to 35,000 feet (-305 to 10,700 meters)
Vacuum Pump Range – model PS-525A: -1000 to 50,000 feet (-305 to 15,240 meters)
Resolution: from -1500 to 20,000 feet resolution is in 1-foot increments
From 20,001 to 30,000 feet resolution is in 2-feet increments
From 30,005 to 50,000 feet resolution is in 5-feet increments
All metric resolution is in 1-meter increments
Sensor Accuracy: approximately 0.03 %
Temperature range: 32 degrees F to 125 degrees F (-1 C to 51 C) limited by LCD display
Altitude units: Feet or Meters
Other Measurement Units:
inHg (inches of mercury): 0.295 to 32.48 in increments of 0.01
mBar (milli bars): 10 – 1100 in increments of 0.1
PSIA (pounds/square inch): 0.145 to 15.95 in increments of 0.01
mm HG (millimeters of mercury): 7.5 – 825 in increments of 0.1
Digital Airspeed:
Range: 18 – 500 Knots, 34 – 920 KPH, or 21 – 575 MPH
Resolution: 1 MPH, 1 KPH, or 1 Knot
Sensor Accuracy: approximately 0.03%
Temperature range: 30 degrees F to 125 degrees F (-1 C to 51 C) limited by LCD display
Other Measurement Units:
inHg (inches of mercury): 0.295 to 32.48
mBar (milli bars): 10 – 1100
PSI (pounds/square inch) 0.145 to 15.95
mm HG (millimeters of mercury): 7.5 – 825
E.P.R. (engine pressure ratio): 0.07-6.00
Display Type: LCD Size: Altimeter and Airspeed: 99 x 24 mm Decoder display: 38 x 16 mm
Physical Dimensions: 10.5”D X 14.25”L X 10”H (27x35x25 cm)
Weight: approximately 20 lbs (9 Kg)
Power Source:
External: 24 VDC (from a 110/220 VAC adaptor)
Internal: 12/24 VDC (from internal rechargeable batteries)
Optional: 110/220 VAC Mains powered, without internal batteries
Current draw: Display only: 125 mA
370 mA with vacuum pumps operating
320 mA with pressure pump operating
540 mA with all systems operating (and no encoder attached)
Other Features:
Leak test feature: 2 minutes, selectable down to 30 seconds
VSI (vertical speed indicator)
Note: The PS-525 does NOT have the precision required to test RVSM altimeter systems.
Encoder Reader:
The Encoder Reader is compatible with outputs of the following altitude encoders:
ACK (gray code, 1200, 2400, 9600 baud)
Shadin (gray code, 9600 baud)
Trans-Cal (gray code, 1200, 2400, 9600 baud)
Ameri-King (gray code)
The Encoder Reader is compatible with the following RS-232 protocols:
Garmin 1200, 9600 baud
Northstar 2400 baud
Shadin 9600 baud
UPS AT, Apollo 1200 baud
Trimble 9600 baud