barfield DPS1000 User Instruction Manual

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barfield DPS1000 User Instruction Manual Manual pdf 16 page image

56-101-01175 Revision H Page | 16C. PerformanceAeronautical (DPS1000)Ps ChannelAltitudeALTRate of ClimbROCPt ChannelCalibrated AirspeedCASRate of CASRtCASMachUnits Feet ft/min knots (kts) kts/min -OperatingRange (*3) -1,800 to 55,000 0 to 20,0000 to 6,000 (*1)0 to 650 50 to 600 (*2) 0 to 2.8Accuracy0.01% FS± 3 ft @ 0 ft± 6 ft @ 20,000 ft± 8 ft @ 30,000 ft± 14 ft @ 45,000 ft± 22 ft @ 52,500 ft (*3)± 29 ft @ 53,000 ft (*3)± 22 ft @ 55,000 ft± 2 % of value± 1.0 kts @ 20 kts± 0.5 kts @ 50 kts± 0.2 kts @ 650 kts± 2 % of valueBetter than± 0.005MACH > 0.1Repeatability0.0025% FS± 1 ft @ 0 ft± 2 ft @ 20,000 ft± 2 ft @ 30,000 ft± 4 ft @ 45,000 ft± 6 ft @ 52,500 ft-± 0.5 kts @ 20 kts± 0.2 kts @ 50 kts± 0.1 kts @ 650 kts- 0.001 rising to0.005Resolution 1 1 0.1 1 0.001Stability (12month) (*4) 0.01% FS - 0.025% FS - -Table 3 Aeronautical SpecificationsNote (*1): ROC (with 125 cu.in volume)Note (*2): RtCAS (with 75 cu.in volume) Default: 300 kts/min operating in Aeronautical mode.Note (*3): If MOD “B” is designated, operating range is 55,000 ft, accuracy specification declaredup to 53,000 ft.If MOD “B” is not designated, operating range and accuracy specification is ± 22 ft @55,000 ft.Note (*4): This tolerance represents the stability over a 12 month period. If tighter tolerancesare required, the calibration interval should be reduced or proof of stability should beestablished.Pressure Units (DPS1000)PsChannelPsRate of ChangeROCQcChannel(Note: Pt = Qc + Ps)RtQcRate of QcEPRUnits inHg (abs) inHg/min inHg (diff) inHg/min Ratio: Pt7/Pt2Operating Range 2.693 to 38.0 0.1 to 16 0.0 to 40 (*7) 0.5 to 10 0.1 to 10Calibrated Range 3.040 to 38.0 0.1 to 16 0.0 to 40 (*7) 0.5 to 10 0.1 to 10Accuracy0.01% FS ± 0.003 inHg ± 2 % of value ± 0.020 inHg (*5) ± 2% of value 0.01Repeatability ± 0.002 inHg - 0.001 rising to 0.005 - -Resolution 0.0001 - 0.0001 - 1.000Stability (12 mo.) (*6) 0.01% FS - 0.025 % FS - -Table 4 Pressure Units SpecificationsNote (*5): Regarding Qc Channel: Specification based on typical accuracy (0.05% FS). Maximumerror is 0.10% FS