Digital guide
You are here:
Woodward 8904-371
Product Name: Linear Position Sensor (Woodward part 8904-371), cross-referenced to Macro Sensors VRT-1250-1000-0744 DC-operated LVDT.
Overview: A mid-stroke DC LVDT of the VRT-1250 family, supplied under Woodward 8904-371. The 1000-thou (1.0 in) measurement range fits compact actuator position feedback.
Detailed content
Technical Specifications:
-
Series: VRT-1250
-
Supplied Woodward number: 8904-371
-
Equivalent Macro Sensors model: VRT-1250-1000-0744
-
Travel: 1.0 in (25.4 mm) class
-
Output: pre-calibrated DC (0–±10 V DC class)
-
Excitation: DC input, integrated electronics
-
Linearity: ≤ ±0.25 % FS (family)
-
Repeatability: < 0.01 % FSO; Hysteresis: < 0.01 % FSO
-
Operating temperature: −20 °C to +70 °C
-
Ingress protection: IEC IP-68
Material & Structure: Stainless-steel body; sealed coil; axial/radial sealed connector.
Working Principle: Core displacement induces a proportional calibrated DC output via internal LVDT conditioning.
Application Scenarios: Compact actuator feedback, small fuel-metering valve position, servo-position loops.
Installation Requirements: Align the core axially; use the matched connector; avoid side loads.
Usage Notes: Operate within temperature and stroke limits; maintain sealing integrity.
