PSD90-1C (Viavi / Aeroflex) Features and Specifications *

The PSD90-1C Universal AC/DC Capacitance Test Set is designed for accurate testing of capacitive quantity systems used in fuel, water, LOX, and engine oil applications. Compatible with both AC and DC systems, it enables technicians to efficiently evaluate system performance and diagnose faults across a wide range of aircraft quantity measurement systems. Its flexible testing capability makes it well suited for maintenance, inspection, and troubleshooting tasks where precision and repeatability are essential.

Features

• Tests AC or DC capacitive fuel quantity systems, including fuel, water, LOX, and engine oil sensing systems.
• Easy to operate and calibrate with annual calibration procedures.
• Portable and rugged design suitable for field use.
• Rechargeable battery or external power options for versatility.
• Displays percent of battery capacity.
• Self-test on power-up ensures unit health before use.
• Measures DC voltage with Manual or Auto Ranging.
• Supports 2- and 3-wire Meggar testing.
• Compliant with Boeing Spec 10-61959 Rev H and MIL-STD-810 environmental standards.
• Traceable to NIST standards for reliable calibration.

Benefits

• Versatile Use Across Platforms: Works with a wide range of aircraft using AC/DC capacitive quantity systems — ideal for mixed fleet maintenance.
• Enhanced Troubleshooting: Advanced features help isolate faults in fuel system components quickly and accurately.
• Reduced Downtime: Portable and easy calibration streamline maintenance workflows and reduce aircraft downtime.
• Reliable Field Performance: Rugged build and internal battery power mean it can be used outdoors and on the flight line.
• Regulatory Compliance Support: Helps ensure fuel quantity system accuracy, supporting compliance with aviation safety and maintenance standards.
  
  

Capabilities

• Comprehensive Capacitance Testing — tests across a wide range of capacitance values (from very low to high ranges).
• Manual Megger/DC Cap Ranging Mode — helps pinpoint intermittent issues.
• Distance-to-Fault (DTF) Analysis — approximates wire break locations (based on optional advanced features).
• Low Voltage / Low Current Modes — effective for isolating fine connection issues.

BASIC INFORMATION

CHARACTERISTICS

* The technical specifications is provided for reference only. Avionteq cannot ensure accuracy of the technical specifications presented herein. The technical data may not relate entirely to all model and versions of the PSD90-1C such as the models sold by Avionteq.

Viavi / Aeroflex PSD90-1C Fuel Quantity Testers to Buy, Rent, Sell or Trade in

Avionteq offers refurbished or used Viavi / Aeroflex PSD90-1C Universal AC/DC Fuel Capacitance Test Set for sale or rent at most competitive price. All refurbished equipment are thoroughly tested and come with our warranty and fresh calibration certificate (when required). You can also sell your excess / surplus or receive trade-in credit towards purchase of other test equipment.