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Product overview: 7750i Air Data Test Set

The Fluke 7750i Air Data Test Set represents the latest evolution in air data calibration technology. This advanced laboratory instrument is engineered for exceptional precision and long-term stability, thanks to its unique quartz sensor and innovative pressure control technology. The Fluke 7750i delivers industry-leading measurement and control of all critical air data parameters, making it the ideal solution for demanding avionics calibration environments.

Unmatched Precision for Avionics Calibration

The Fluke 7750i Air Data Test Set is specifically designed for calibrating a broad range of avionics instrumentation, including:

  • Altimeters
  • Airspeed indicators
  • Rate of climb meters
  • Mach meters
  • Air data computers
  • Engine-based control systems that rely on accurate pressure measurement

With its exceptional precision, the Fluke 7750i enables you to calibrate devices to meet strict Reduced Vertical Separation Minimum (RVSM) requirements, maintaining altitude control to within three feet—better than 0.0011 in Hg at sea level. The instrument also provides highly accurate rate control for both altitude and airspeed.

Seamless Integration into Modern Test Systems

  • Compact Design for Test Racks: The seven-inch height (4U) makes the Fluke 7750i easy to integrate into Automatic Test Equipment (ATE) systems and laboratory racks.
  • Flexible Interfaces: Equipped with an IEEE-488 interface, the 7750i allows for convenient PC-based control and data acquisition.
  • Backward Compatibility: The 7750i can emulate previous-generation ADTS devices (such as the Model 6610), eliminating the need to update your existing test software.

Advanced Safety and Convenience Features

  • Automatic Go to Ground: At the press of a button, the 7750i brings the system to local barometric pressure, protecting sensitive devices under test (DUT) from sudden pressure transients during disconnection.
  • Leak Test Mode: A dedicated mode enables quick and reliable leak checks before beginning any calibration process.
  • Device Protection: Set high and low limits for critical parameters—including altitude, airspeed, rate of climb, Mach, negative Qc, and ARINC 565 envelope—to safeguard the DUT throughout testing.
  • Automatic Volume Characterization: The Fluke 7750i automatically tunes its pressure controller to accommodate external volumes from 80 to 1,000 cubic centimeters (5 to 60 cubic inches), supporting a wide variety of aircraft and component configurations. Multiple devices can be tested simultaneously on a single manifold, increasing productivity for component manufacturers.

Efficiency Through Automation

  • Automatic Zeroing: Routine zeroing for optimal performance is now fully automated. Zeroing can be initiated at the push of a button or via the PC interface. With the built-in vacuum sensor, there’s no need for additional external gauges or sensors—just one vacuum pump is required. Zeroing completes in as little as 30 to 45 minutes.

User-Friendly Displays and Units

  • Multiple Avionics and Pressure Units: The Fluke 7750i clearly displays all common avionics units, including feet and meters for altitude, airspeed in knots and km/h, Mach number, and rates per minute. Pressure units can also be displayed for flexible testing.

Performance for Both Fixed-Wing and Rotary Aircraft

The standard Fluke 7750i Air Data Test Set configuration offers a Ps range of 32 in Hg and a Qc range of 68 in Hg, suitable for a broad range of aircraft. For specialized rotary aircraft applications, a custom Qc range of 32 in Hg is available to enhance performance at lower airspeeds. Additional custom ranges can be provided—please consult the factory for details. Get the latest Fluke 7750i Air Data Test Set price in Bangladesh. Accurate, reliable, and affordable aviation testing equipment is available now!

Key features

  • Ideal for ATE systems
  • Accuracy to ±3 feet 0.04 knots
  • True differential sensor for airspeed
  • Control stability to 0.00032 inHg

Specifications: 7750i Air Data Test Set

Specifications
Automatic Go to Ground Upon selecting the go to ground command, the 7750i safely controls the pressure to the current, local barometric pressure. The user can then disconnect the device under test (DUT) without exposing sensitive instruments to a potential pressure transient or shock.
Leak Test Mode A separate mode is provided for performing leak checks prior to beginning an actual calibration.
Protecting the Device Under Test

In order to protect the DUT, the operator can program high and low limit settings for:

  • Altitude
  • Airspeed
  • Rate of climb
  • Mach
  • Negative Qc
  • ARINC 565 envelope
Automatic Volume Characterization The 7750i automatically tunes the controller into external volumes ranging from 5 to 60 cubic inches (80 to 1000 cc). This allows a large degree of flexibility for the configuration of the test system and the type of aircraft and components to be tested. For component manufacturers, a large number of devices can be tested simultaneously on a single manifold.
Automatic Zeroing As with any instrument, regular zeroing is suggested to achieve maximum performance. This task is now automated and can be performed at the push of a button, or over the PC interfaces. The 7750i incorporates the vacuum sensor onboard; no separate or external vacuum gauges or sensors are required. In addition, only one vacuum pump is required to operate and zero the 7750i ADTS. Zeroing is performed in 30 to 45 minutes using the specificed vacuum pump.
Avionics and Pressure Units The Model 7750i displays the common avionics units including feet and meters for altitude, calibrated airspeed in knots, km/hr, and Mach with corresponding rate displays for each unit per minute. It can also display pressure units.
Modes
Precision ±(0.005% of reading) from 40% to 100% FS.  ±(0.005% of 40%) from 0% to 40% FS

Precision is defined as the combined effect of linearity, repeatability and hysteresis throughout the operating temperature range. Some manufacturers use the word “Accuracy” in place of “Precision,” however the meaning is identical.
Stability Absolute
Over 3 months: 0.0019% RDG/3 months
Over 1 year: 0.0075% RDG/year

Differential
Over 3 months: 0.0019% RDG/3 months
Over 1 year: 0.0075% RDG/year
Zeroing vacuum sensor Absolute
±10 mtorr at 100 mtorr, ±10% RDG at 100 mtorr

Differential
N/A
Control stability Absolute
±10 mTorr (1.33 Pa) @ 100 mTorr

Differential
0.001% FS
Control low limit Absolute
0.3 in Hg abs. (10 mbar a)

Differential
0 in Hg in - Qc mode/0.3 inHg abs. in Pt mode

Requires vacuum pump to control 0 psig, or the vent mode can be used to obtain 0 psig.
Zero Drift Absolute
<0.004% FS / 24 hr

Differential
<0.004% FS / 24 hr
Rate of climb Absolute
0 to 1,829 m/min (0 to 6,000 ft/min)

Differential
N/A
Rate of climb tolerance Absolute
1% of commanded rate for altitudes up to 15,240 m (50,000 ft)
5% of commanded rate for altitudes from 15,240 M(  50,000ft) to 21,336m (70,000 ft)
Differential
N/A
Standard load volume Absolute
5 to 60 in (80 to 1,000 cc’s)

Differential
5 to 60 in (80 to 1,000 cc’s)
Mach Absolute
N/A

Differential
0 to 10.000

Limits can be set to prevent excessive mach.
Total Uncertainty (Aeronautical 32 in Hg a
Sea level ±9 m (3ft)

9144 m (30,000 ft)
±0.9 m (3 ft)

18,288 m (60,000 ft)
± 3.4 m (11 ft)

40 in Hg a
Sea level ±0.9 m (3 ft)

9144 m (30,000 ft)
±1.2 m (4 ft)

18,288 m (60,000 ft)
±3.7 m (12 ft)

Differential

32 in Hg D
50 ±0.18 knots
100 ±0.09 knots
250 ±0.04 knots

68 in Hg D
50 ±0.39 knots
250 ±0.07 knots
500 ±0.03 knots
1000 ±0.04 knots
Total Uncertainty (Engineering Units) Absolute

32 in Hg a
32 ±0.0030 inHg
30 ±0.0028 inHg
15 ±0.0016 inHg
5 ±0.0011 inHg

40 in Hg a
40 ±0.0038 inHg
30 ±0.0029 inHg
15 ±0.0017 inHg
5 ±0.0013 inHg
Differential

32 in Hg D
0.5 ±0.0009 inHg
16 ±0.0016 inHg
32 ±0.0030 inHg
68 in Hg D
0.5 ±0.0019 inHg
16 ±0.0023 inHg
32 ±0.0032 inHg
68 ±0.0063 inHg
High Performance for Fixed-Wing or Rotary Aircraft
Although the standard configuration offered is a Ps range of 32 in Hg and a Qc range of 68 in Hg, we also offer custom ranges. For example, for exclusive testing of rotary aircraft, a Qc range of 32 in Hg can be provided, increasing performance in the lower airspeed ranges. For other custom ranges please consult factory.
7750i-802 Ranges
Ps: 32
Qc: 68
77508-803 Ranges
Ps: 40
Qc: 68
7750i-804 Ranges
Ps: 32
Qc: 32
7750i-805 Ranges
Ps: 40
Qc: 32
Display
Display TFT Active Matrix Color, 6.4 inch
Display Resolution 1 ft, 0.1 m, 0.1 kn/hr, 0.00001 Mach
Units Altitude: ft, meters
Airspeed: knots, km/hr, Mach
Pressure: Engineering Units: inHg at 0°C and 60°F, kPa, bar, psi, inH2O at 4 °C, and 25 °C, kg/cm2, mmHg at 0°C, cmHg at 0°C, and cmH2O at 4°C & four user defined linear units of measure.
Aeronautical Units: feet, meters, knots, km/h, Mach
Control
Rate Control Indication
RoC_Rate of climb in all above units
RtAS_Rate of airspeed in Knots or km/hr
Total Uncertainty Expression 2 Sigma
Ps/32 inHg FS RSS of 0.0091% of Reading and 0.0008 inHg
Ps/40 inHg FS RSS of 0.0091% of Reading and 0.0009 inHg
Qc/32 inHg FS RSS of 0.0091% of Reading and 0.0007 inHg
Qc/68 inHg FS RSS of 0.0091% of Reading and 0.0012 inHg
Options
Options
  • Lines and fittings kit (supply and test lines) part number 7750-104
  • Vacuum pump_85 liter/minute capacity with auto-vent valve
  • Filter and muffler
  • National Instruments LabVIEW™ driver
  • ISO 17025 accredited calibration certificate
General
Electrical Power 90 to 260 VAC, 50 to 400 Hz, 150W max
Temperature Warmup time: 24 hours
Operating temperature: 18°C to 36°C (64 to 97 F)
Storage temperature: -20°C to 70°C (-4°F to 158°F)
Humidity Operating humidity: 20% to 75% RH, non-condensing
Storage humidity: 5% to 95%, non-condensing
Pressure Medium High purity nitrogen or dry, clean air
Calibration One year interval is recommended. Use of primary standard such as the Model 2468 Pitot Static Gas Piston Gauge is recommended.
Digital Interface IEEE-488.2
RS232
Model 6610 emulation mode
SCPI syntax
Pneumatic Connections 1/4 in FNPT on all ports. Adapters provided for AN6 and AN4
Weight and Dimensions (h x w x d) Weight: 45 lb (20 kg)
Size: 7 in x 16.5 in x 19 in (17.8 cm x 41.9 cm x 48.3 cm)
Supply Pressure 60 psi +/- 5 psi (4 bar +/- 0.5 bar)
Supply Vacuum Minimum 50 liters per minute with auto-vent valve.
Ultimate vacuum less than 1 mtorr

Manuals + resources: 7750i Air Data Test Set

Manuals (2)

  • RUSKA 7750i | Users manual
  • RUSKA 7750i | Users manual supplement

Data sheets (1)

  • 7750i Laboratory Air Data Test Set

Software (1)

  • 7750 Air Data Test Set - Version 2R05

Manuals + resources: 7750i Air Data Test Set

Manuals (2)

  • RUSKA 7750i | Users manual
  • RUSKA 7750i | Users manual supplement

Data sheets (1)

  • 7750i Laboratory Air Data Test Set

Software (1)

  • 7750 Air Data Test Set - Version 2R05

Product overview: 7750i Air Data Test Set

The Fluke 7750i Air Data Test Set represents the latest evolution in air data calibration technology. This advanced laboratory instrument is engineered for exceptional precision and long-term stability, thanks to its unique quartz sensor and innovative pressure control technology. The Fluke 7750i delivers industry-leading measurement and control of all critical air data parameters, making it the ideal solution for demanding avionics calibration environments.

Unmatched Precision for Avionics Calibration

The Fluke 7750i Air Data Test Set is specifically designed for calibrating a broad range of avionics instrumentation, including:

  • Altimeters
  • Airspeed indicators
  • Rate of climb meters
  • Mach meters
  • Air data computers
  • Engine-based control systems that rely on accurate pressure measurement

With its exceptional precision, the Fluke 7750i enables you to calibrate devices to meet strict Reduced Vertical Separation Minimum (RVSM) requirements, maintaining altitude control to within three feet—better than 0.0011 in Hg at sea level. The instrument also provides highly accurate rate control for both altitude and airspeed.

Seamless Integration into Modern Test Systems

  • Compact Design for Test Racks: The seven-inch height (4U) makes the Fluke 7750i easy to integrate into Automatic Test Equipment (ATE) systems and laboratory racks.
  • Flexible Interfaces: Equipped with an IEEE-488 interface, the 7750i allows for convenient PC-based control and data acquisition.
  • Backward Compatibility: The 7750i can emulate previous-generation ADTS devices (such as the Model 6610), eliminating the need to update your existing test software.

Advanced Safety and Convenience Features

  • Automatic Go to Ground: At the press of a button, the 7750i brings the system to local barometric pressure, protecting sensitive devices under test (DUT) from sudden pressure transients during disconnection.
  • Leak Test Mode: A dedicated mode enables quick and reliable leak checks before beginning any calibration process.
  • Device Protection: Set high and low limits for critical parameters—including altitude, airspeed, rate of climb, Mach, negative Qc, and ARINC 565 envelope—to safeguard the DUT throughout testing.
  • Automatic Volume Characterization: The Fluke 7750i automatically tunes its pressure controller to accommodate external volumes from 80 to 1,000 cubic centimeters (5 to 60 cubic inches), supporting a wide variety of aircraft and component configurations. Multiple devices can be tested simultaneously on a single manifold, increasing productivity for component manufacturers.

Efficiency Through Automation

  • Automatic Zeroing: Routine zeroing for optimal performance is now fully automated. Zeroing can be initiated at the push of a button or via the PC interface. With the built-in vacuum sensor, there’s no need for additional external gauges or sensors—just one vacuum pump is required. Zeroing completes in as little as 30 to 45 minutes.

User-Friendly Displays and Units

  • Multiple Avionics and Pressure Units: The Fluke 7750i clearly displays all common avionics units, including feet and meters for altitude, airspeed in knots and km/h, Mach number, and rates per minute. Pressure units can also be displayed for flexible testing.

Performance for Both Fixed-Wing and Rotary Aircraft

The standard Fluke 7750i Air Data Test Set configuration offers a Ps range of 32 in Hg and a Qc range of 68 in Hg, suitable for a broad range of aircraft. For specialized rotary aircraft applications, a custom Qc range of 32 in Hg is available to enhance performance at lower airspeeds. Additional custom ranges can be provided—please consult the factory for details. Get the latest Fluke 7750i Air Data Test Set price in Bangladesh. Accurate, reliable, and affordable aviation testing equipment is available now!

Key features

  • Ideal for ATE systems
  • Accuracy to ±3 feet 0.04 knots
  • True differential sensor for airspeed
  • Control stability to 0.00032 inHg

Specifications: 7750i Air Data Test Set

Specifications
Automatic Go to Ground Upon selecting the go to ground command, the 7750i safely controls the pressure to the current, local barometric pressure. The user can then disconnect the device under test (DUT) without exposing sensitive instruments to a potential pressure transient or shock.
Leak Test Mode A separate mode is provided for performing leak checks prior to beginning an actual calibration.
Protecting the Device Under Test

In order to protect the DUT, the operator can program high and low limit settings for:

  • Altitude
  • Airspeed
  • Rate of climb
  • Mach
  • Negative Qc
  • ARINC 565 envelope
Automatic Volume Characterization The 7750i automatically tunes the controller into external volumes ranging from 5 to 60 cubic inches (80 to 1000 cc). This allows a large degree of flexibility for the configuration of the test system and the type of aircraft and components to be tested. For component manufacturers, a large number of devices can be tested simultaneously on a single manifold.
Automatic Zeroing As with any instrument, regular zeroing is suggested to achieve maximum performance. This task is now automated and can be performed at the push of a button, or over the PC interfaces. The 7750i incorporates the vacuum sensor onboard; no separate or external vacuum gauges or sensors are required. In addition, only one vacuum pump is required to operate and zero the 7750i ADTS. Zeroing is performed in 30 to 45 minutes using the specificed vacuum pump.
Avionics and Pressure Units The Model 7750i displays the common avionics units including feet and meters for altitude, calibrated airspeed in knots, km/hr, and Mach with corresponding rate displays for each unit per minute. It can also display pressure units.
Modes
Precision ±(0.005% of reading) from 40% to 100% FS.  ±(0.005% of 40%) from 0% to 40% FS

Precision is defined as the combined effect of linearity, repeatability and hysteresis throughout the operating temperature range. Some manufacturers use the word “Accuracy” in place of “Precision,” however the meaning is identical.
Stability Absolute
Over 3 months: 0.0019% RDG/3 months
Over 1 year: 0.0075% RDG/year

Differential
Over 3 months: 0.0019% RDG/3 months
Over 1 year: 0.0075% RDG/year
Zeroing vacuum sensor Absolute
±10 mtorr at 100 mtorr, ±10% RDG at 100 mtorr

Differential
N/A
Control stability Absolute
±10 mTorr (1.33 Pa) @ 100 mTorr

Differential
0.001% FS
Control low limit Absolute
0.3 in Hg abs. (10 mbar a)

Differential
0 in Hg in - Qc mode/0.3 inHg abs. in Pt mode

Requires vacuum pump to control 0 psig, or the vent mode can be used to obtain 0 psig.
Zero Drift Absolute
<0.004% FS / 24 hr

Differential
<0.004% FS / 24 hr
Rate of climb Absolute
0 to 1,829 m/min (0 to 6,000 ft/min)

Differential
N/A
Rate of climb tolerance Absolute
1% of commanded rate for altitudes up to 15,240 m (50,000 ft)
5% of commanded rate for altitudes from 15,240 M(  50,000ft) to 21,336m (70,000 ft)
Differential
N/A
Standard load volume Absolute
5 to 60 in (80 to 1,000 cc’s)

Differential
5 to 60 in (80 to 1,000 cc’s)
Mach Absolute
N/A

Differential
0 to 10.000

Limits can be set to prevent excessive mach.
Total Uncertainty (Aeronautical 32 in Hg a
Sea level ±9 m (3ft)

9144 m (30,000 ft)
±0.9 m (3 ft)

18,288 m (60,000 ft)
± 3.4 m (11 ft)

40 in Hg a
Sea level ±0.9 m (3 ft)

9144 m (30,000 ft)
±1.2 m (4 ft)

18,288 m (60,000 ft)
±3.7 m (12 ft)

Differential

32 in Hg D
50 ±0.18 knots
100 ±0.09 knots
250 ±0.04 knots

68 in Hg D
50 ±0.39 knots
250 ±0.07 knots
500 ±0.03 knots
1000 ±0.04 knots
Total Uncertainty (Engineering Units) Absolute

32 in Hg a
32 ±0.0030 inHg
30 ±0.0028 inHg
15 ±0.0016 inHg
5 ±0.0011 inHg

40 in Hg a
40 ±0.0038 inHg
30 ±0.0029 inHg
15 ±0.0017 inHg
5 ±0.0013 inHg
Differential

32 in Hg D
0.5 ±0.0009 inHg
16 ±0.0016 inHg
32 ±0.0030 inHg
68 in Hg D
0.5 ±0.0019 inHg
16 ±0.0023 inHg
32 ±0.0032 inHg
68 ±0.0063 inHg
High Performance for Fixed-Wing or Rotary Aircraft
Although the standard configuration offered is a Ps range of 32 in Hg and a Qc range of 68 in Hg, we also offer custom ranges. For example, for exclusive testing of rotary aircraft, a Qc range of 32 in Hg can be provided, increasing performance in the lower airspeed ranges. For other custom ranges please consult factory.
7750i-802 Ranges
Ps: 32
Qc: 68
77508-803 Ranges
Ps: 40
Qc: 68
7750i-804 Ranges
Ps: 32
Qc: 32
7750i-805 Ranges
Ps: 40
Qc: 32
Display
Display TFT Active Matrix Color, 6.4 inch
Display Resolution 1 ft, 0.1 m, 0.1 kn/hr, 0.00001 Mach
Units Altitude: ft, meters
Airspeed: knots, km/hr, Mach
Pressure: Engineering Units: inHg at 0°C and 60°F, kPa, bar, psi, inH2O at 4 °C, and 25 °C, kg/cm2, mmHg at 0°C, cmHg at 0°C, and cmH2O at 4°C & four user defined linear units of measure.
Aeronautical Units: feet, meters, knots, km/h, Mach
Control
Rate Control Indication
RoC_Rate of climb in all above units
RtAS_Rate of airspeed in Knots or km/hr
Total Uncertainty Expression 2 Sigma
Ps/32 inHg FS RSS of 0.0091% of Reading and 0.0008 inHg
Ps/40 inHg FS RSS of 0.0091% of Reading and 0.0009 inHg
Qc/32 inHg FS RSS of 0.0091% of Reading and 0.0007 inHg
Qc/68 inHg FS RSS of 0.0091% of Reading and 0.0012 inHg
Options
Options
  • Lines and fittings kit (supply and test lines) part number 7750-104
  • Vacuum pump_85 liter/minute capacity with auto-vent valve
  • Filter and muffler
  • National Instruments LabVIEW™ driver
  • ISO 17025 accredited calibration certificate
General
Electrical Power 90 to 260 VAC, 50 to 400 Hz, 150W max
Temperature Warmup time: 24 hours
Operating temperature: 18°C to 36°C (64 to 97 F)
Storage temperature: -20°C to 70°C (-4°F to 158°F)
Humidity Operating humidity: 20% to 75% RH, non-condensing
Storage humidity: 5% to 95%, non-condensing
Pressure Medium High purity nitrogen or dry, clean air
Calibration One year interval is recommended. Use of primary standard such as the Model 2468 Pitot Static Gas Piston Gauge is recommended.
Digital Interface IEEE-488.2
RS232
Model 6610 emulation mode
SCPI syntax
Pneumatic Connections 1/4 in FNPT on all ports. Adapters provided for AN6 and AN4
Weight and Dimensions (h x w x d) Weight: 45 lb (20 kg)
Size: 7 in x 16.5 in x 19 in (17.8 cm x 41.9 cm x 48.3 cm)
Supply Pressure 60 psi +/- 5 psi (4 bar +/- 0.5 bar)
Supply Vacuum Minimum 50 liters per minute with auto-vent valve.
Ultimate vacuum less than 1 mtorr

Manuals + resources: 7750i Air Data Test Set

Manuals (2)

  • RUSKA 7750i | Users manual
  • RUSKA 7750i | Users manual supplement

Data sheets (1)

  • 7750i Laboratory Air Data Test Set

Software (1)

  • 7750 Air Data Test Set - Version 2R05

Manuals + resources: 7750i Air Data Test Set

Manuals (2)

  • RUSKA 7750i | Users manual
  • RUSKA 7750i | Users manual supplement

Data sheets (1)

  • 7750i Laboratory Air Data Test Set

Software (1)

  • 7750 Air Data Test Set - Version 2R05
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