LVDTs for critical TSI parameters such as turbine valve position and case expansion: nine ranges from 0–50 mm to 0–450 mm, 4–20 mA / 1–5 V / Modbus RTU output.
LS / LD-Series LVDT Position Sensors
LVDTs (Linear Variable Differential Transformers) are ideal for critical Turbine Supervisory Instrumentation (TSI) parameters such as case expansion and valve position. These highly reliable units have the durability to work deep within your system.
In the governor control of gas and steam turbines, the LS series measures the valve opening and feeds the signal back to the electronic governor.
- Nine measuring ranges — from 0–50 mm to 0–450 mm
- Hazardous area approvals — CSA and FM (with VM-11P signal conditioner)
- Output — 1–5 V DC, 4–20 mA or Modbus RTU (with DIN-rail signal conditioner)
- High reliability, durability and accuracy
Technical Specifications
| Stroke | 50, 100, 150, 200, 250, 300, 350, 400, 450 mm |
|---|---|
| Excitation | 3 kHz, 5 – 20 Vrms |
| Linearity | ±0.2 % of 100 % stroke, ±1.5 % of 110 % stroke |
| Operating temperature | -40 °C … +125 °C |
| Approvals | CSA / FM, Class 1 Div.2 Group A, B, C, D |