HCA Series LVDT

HCA Series LVDT Description:  The HCA and HCA-RA Series hermetically sealed LVDTs provide premium performance in harsh industrial environments. Impervious to dirt, water, steam, and corrosive liquids/vapors compatible with its materials, the HCA/HCA-RA Series all-welded stainless steel construction withstands external pressures up to 1,000 PSI [70 bars]. Double magnetic shielding […]

HCA Series LVDT

Description: 

The HCA and HCA-RA Series hermetically sealed LVDTs provide premium performance in harsh industrial environments. Impervious to dirt, water, steam, and corrosive liquids/vapors compatible with its materials, the HCA/HCA-RA Series all-welded stainless steel construction withstands external pressures up to 1,000 PSI [70 bars]. Double magnetic shielding offers excellent protection from external electromagnetic fields. The HCA/HCA-RA Series can be configured with a number of standard options including but not limited to high temperature operation ( 220ºC) and mild radiation resistance (1012 NVT total integrated flux; 107 rads Gamma). The HCA/HCA-RA Series is compatible with the full line of Measurement Specialties LVDT signal conditioners.

Features:

  • All-welded stainless steel construction
  • Glass sealed. MS type connector (MIL-C 5015)
  • Shock and vibration tolerant
  • Capative core eases installation (optional)
  • Mild radiation resistance
  • Calibration certificate supplied with each unit
  • Right angle (HCA-RA) version available

 

Parameter HCA
/HCA
–RA 050		 HCA
/HCA
–RA 125		 HCA
/HCA
–RA 250		 HCA
/HCA
–RA 500		 HCA
/HCA
–RA
1000		 HCA
/HCA
–RA 2000		 HCA
/HCA
–RA 3000		 HCA
/HCA
–RA 5000		 HCA
/HCA
–RA 10000
Stroke
range		 ±0.050 [±1.27] ±0.125 [±3.17] ±0.25 [±6.35] ±0.5 [±12.7] ±1 [±25.4] ±2 [±50.8] ±3 [±76.2] ±5 [±127] ±10 [±254]
Sensitivity V/V/inch mV/V/mm 4.2
[165]		 2.4
[94.5]		 1.6
[63.0]		 1.1
[43.3]		 0.84
[33.1]		 0.32
[12.6]		 0.20
[7.9]		 0.16
[6.3]		 0.13
[5.1]
Output at stroke ends, mV/V (*) 210 300 400 550 840 640 600 800 1,300
Phase shift 6° 5° 5° 2° 1° -1° 1° -5° -6°
Input impedance (PRIMARY) 430Ω 1710Ω 800Ω 900Ω 900Ω 525Ω 930Ω 1200Ω 930Ω
Output impedance (SECONDARY) 950Ω 1820Ω 940Ω 1150Ω 2100Ω 535Ω 1040Ω 1640Ω 3000Ω
Non-linearity % of FR
@ 50% stroke 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20
@100% stroke (maximum) 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25
@125% stroke 0.25 0.25 0.30 0.30 0.35 0 .40 (**) 0 .50 (**) 0 .80 (**) 0.90 (**)
@150% stroke 0.50 0.50 0.50 0.55 0 .55 (**) 0 .70 (**) 1.00 (**) / /
Input voltage  3 VRMS sine wave
Input frequency  400Hz to 10kHz
Test frequency  2.5kHz
Null voltage  0.5% of FRO, maximum

 

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 connector 6-pin MS type connector (MIL-C-5015)
NEMA IEC 60529 rating IP68 to 1,000 PSI [70 bars] with use of proper mating connector plug

https://appliedmeasurement.com.au/ama/wp-content/uploads/2014/04/HCA_Series.pdf

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Operating temperature -65°F to 300°F [-55°C to 150°C]