MHR Series LVDT

MHR Series LVDT Description: The legendary MHR Series LVDTs provide precision measurements in space restrictive applications. With a diameter of just 3/8 inch [9.5mm], and an extremely lightweight core, the MHR Series is ideal for applications where excessive core weight could influence the motion of the measurand; with less inertia, […]

MHR Series LVDT

Description:
The legendary MHR Series LVDTs provide precision measurements in space restrictive applications. With a diameter of just 3/8 inch [9.5mm], and an extremely lightweight core, the MHR Series is ideal for applications where excessive core weight could influence the motion of the measurand; with less inertia, accurate measurements at higher displacement speeds are easier to achieve. The lightweight core also reduces mechanical stresses and helps preserve the structural integrity of the core actuation assembly.

Features:

  • Compact size
  • Lightweight  / low mass core
  •  ±0.25% linearity (100% stroke)
  • Shock and vibration tolerant
  • Mild radiation resistance (optional)
  • Calibration certificate supplied with each unit
Parameter MHR
005		 MHR
010		 MHR
025		 MHR
050		 MHR
100		 MHR
250		 MHR
500		 MHR
1000		 MHR
2000
Stroke range ±0.005
[±0.13]		 ±0.010
[±0.25]		 ±0.025
[±0.64]		 ±0.05
[±1.27]		 ±0.10
[±2.54]		 ±0.25
[±6.35]		 ±0.5
[±12.7]		 ±1
[±25.4]

±2
[±50.8]

Sensitivity
V/V/inch
[mV/V/mm]		 8.70
[343]		 6.05
[238]		 8.10
[319]		 3.15
[124]

2.80
[110]

2.07
[81.5]		 1.96
[77.2]		 0.77
[30.3]		 0.49
[19.3]
Output
at strokeends,
mV/V (*)		 43.5 60.5 202.5 157.5 280 517.5 980 770 980
Phase shift 38° 20° 22° 8° 5° 7° 4° -1° -16°
Input impedance
(PRIMARY)		 84Ω 165Ω 238Ω 419Ω 400Ω 345Ω 264Ω 155Ω 504Ω
Output impedance
(SECONDARY).		 302Ω 300Ω 485Ω 154Ω 200Ω 420Ω 810Ω 450Ω 1780Ω
Non-linearity ±% of FR
@ 50% stroke 0.20 0.10 0.15 0.15 0.15 0.15 0.15 0.20 /
@100% stroke 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.50
(maximum)
@125% stroke 0.30 0.35 0.25 0.35 0.25 0.35 0 .30 0 .50 /
@150% stroke 0.40 0.35 0.30 0.50 0.30 0.50 0.75 / /
Null voltage (max.) 2.5%
of FRO		 1.0%
of FRO		 0.5% of FRO

 

ENVIRONMENTAL SPECIFICATIONS & MATERIALS
Operating temperature -65°F to 300°F [-55°C to 150°C]
Shock survival 1,000 g (11ms half-sine)
Vibration tolerance 20 g up to 2KHz
Housing material AISI 400 Series stainless steel
Electrical connection Six lead-wires, 32 AWG stranded Copper, PTFE insulated, 1 foot [0.3m] long

 

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ENVIRONMENTAL SPECIFICATIONS & MATERIALS
Operating temperature -65°F to 300°F [-55°C to 150°C]