Hermetically Sealed

HA-750 Series

The NewTek HA Series sensors are rugged hermetically sealed AC LVDTs with excellent linearity, high sensitivity and infinite resolution. These sensors are constructed of 0.750 inch diameter stainless steel and manufactured for general industrial use. Designed for a wide range of position measurement applications, they are available in ranges of ±0.05 inch (1.27mm) to ±10 inches (250mm). The HA Series windings are potted inside the housing with a 2 component epoxy, providing excellent protection against hostile environments.

Input Voltage:                                     3 Vrms (Nominal)
Input Frequency:                                400Hz to 10KHz
Linearity:                                             < ± 0.15% Full Range Typical
Extended Operating Range:              1.5 X Linear Range
Null Voltage:                                       ± 0.5% Full Range
Hysteresis:                                           <0.01% of Full Range Typical
Repeatability:                                      <0.01% of Full Range Typical

Operating Temperature:           -65° F to 275° F (-55° C to 135° C)
Thermal Coefficient:                 <-0.01%/°F (< -0.02%/°C) of Full Range
Humidity:                                   90% R.H., 240 Hours
Shock Survival:                          1000 g, 11 ms
Vibration:                                   20 g to 2 KHz

Housing:               Corrosion-resistant nickel-iron alloy
Core:                      Hi-permeability nickel-iron alloy
Magnet Wire:        Film insulated copper
Connector:            PT02A-10- 6P


  • Welded 3/4 inch hermetically sealed steel housing
  • Measurement ranges from ± 0.05 to ± 10 inches
  • Linearity ±0.15% of Full Range Typical
  • Shock and vibration tolerant
  • Wide operating temperature range (-65°F to 275°F)
  • Standard and custom models available


  • Factory Automation
  • Materials Testing
  • Packaging Equipment
  • Valve Position Sensing
  • Corrosive Environments


Dimensions & Wiring



NewTek products are warrantied against defective materials and workmanship for a period of one (1) year from the date of delivery to the original purchaser. NewTek accepts no liability for damages in the misuse of our products.

NT-HA-750 Accessories

NTC-6000 Signal Conditioner

LVDT Mounting Blocks

Core Rod Kits

LVDT Cable Assemblies

Contact NewTek Sensors to discuss your requirements