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All Categories > Pressure Transducers for Interplanetary Exploration > Sample Product 10484  

Sample Product 10484



Tavis satellite transducers have provided propulsion measurements for journeys to orbit other planets, while other Tavis instruments have actually landed on planetary surfaces or measured pressures as the spacecraft plummets through other solar system atmospheres.






Previous hardware for missions to Mars, Jupiter, Venus and the Moon have featured one or more of the following:
  • Very low barometric pressure measurements with high proof
  • Severe thermal environments
  • Tether cable for thermal separation between gage and electronics
  • Low power consumption
  • Long-term stability over thermal environments
  • Ice, sand, dust immunity
  • High-cycle power on-off
  • Spores bake-out
  • Zero Outgassing





General  · Electrical  · Environmental  · Performance

General

Pressure Range1

0 - 0.174 psia
0 - 15 psia

Proof Pressure

20 to 30 psia

Burst Pressure

>200 psia

Sensor Type

Variable Reluctance

Weight

454 gm Max

Wetted Materials

17-4 PH SST
410 SST

Construction

TIG Welded Assy
Mounting Feet

Low-Pressure Metallic Diaphragm

Fittings / Ports

1/4 Flared Tube Fitting
1 The designs above are intended to convey just a few capabilities previously used on interplanetary craft for discussion purposes. Tavis specializes in custom configurations and capabilities for your specific application. Discuss your application requirements with our engineers for your exploration science needs.


Electrical

Input Voltage

24 - 36 VDC

Output Signal

0.0 - 5.0 VDC

Power

10 mA Max

Electrical Interface

MSFC 40M39569 (10-6) Connector

Reverse Polarity Protection

Yes

Isolation

>50 MΩ @ 50 VDC

Output Impedance

<1000 Ω


Environmental

EMI

MIL-STD-461 RE02, RS03, CE01, CE03, CS01, CS02, CS06, TT01

Compensated Temps

-50 ºC to +50 ºC (Operating -65 ºF to +200 ºF)

Shock

100 g 30 ms Half Sine

App Media

Earth Atmospheric
Mars Atmospheric


Performance

Static Error Band2

±0.5% FSO

Thermal Error2

±0.01% FSO/ºF Average Max

Total Error Band (TEB)1

Static + Thermal Error Band

Frequency Response2

-1 dB @ 5 Hz
-3 dB @ 10 Hz
1 Many error band definitions and limits are possible, and these actual error bands are too specific to delineate herein. A clear definition and understanding of any error band is critical, and many manufacturers’ published errors or accuracies can be very misleading. Please consult Tavis regarding your specific error band requirements.
2 Frequency Response given is for electronics only. Actual frequency response will depend on pressure range and media.


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Technical Bulletin #101
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Technical Bulletin #102
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Technical Bulletin #103
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