Optimum Series Absolute Displacement Sensor - Specification

Generic Product Types
LVDT OP1.5 OP6 OP10 OP12.5 OP25
Digital Output (Orbit®) DO3 DO12 DO20 DO25 DO50
Measurement
Measurement Range LVDT (mm) ±1.5 ±6 ±10 ±12.5 ±25
Measurement Range ORBIT (mm) 3 12 20 25 50
Linearity (% FSO) <0.25 <0.25 <0.25 <0.25 <0.25
Resolution µm (Note 1) <0.10 <0.10 <0.10 <0.20 <0.40
Pre-travel ±0.5 mm (Guided Versions only) 1.78 1.53 1.53 2.33 2.10
Post Travel ±0.5 mm (Guided Versions only) 1.20 1.67 1.67 2.47 2.30
Temperature Coefficients (%FSO/°C) LVDT <0.05 <0.05 <0.05 <0.05 <0.05
Temperature Coefficients (%FSO/°C) DC/4-20mA <0.07 <0.07 <0.07 <0.07 <0.07
Tip Force ±20% (Horizontal at middle of range) N 0.66 0.94 0.94 0.93 0.50
Mechanical
Nominal Mass (g) LVDT 7 12 12 20 20
Nominal Mass of Core (g) 1.5 2.5 2.0 3.5 4.0
Body diameter (mm) 9.52
Case material 400 Series Stainless Steel
Core material Nickel Iron
Cable Standard Type/Length (m) (Note 2) F.E.P. / 3  Style A or B
Electrical Interface (LVDT)
Energising Voltage (Vrms) at 5 kHz 1-5
Energising  Current at 5kHz (mA/V) 6.0 4.5 3.2 (3) 7.0 1.25
Sensitivity at 5kHz  ±5% mv/V/mm 108 78 85 (3) 67 25
Electrical Interface (Orbit)
Bandwidth Up to 460 Hz (selectable)
Output Solartron Orbit
Power (VDC) 5±0.25 @ 0.06A
Sealing IP43
Environmental
Operating Temperature (°C) -40 to +150
Storage Temperature (°C) -40 to +150
Sealing Splash Proof

 

Note 1: Resolution specification is only applicable to ORBIT digital transducers. The resolution of LVDT transducers is                                    effectively infinite and is only limited by the conditioning electronics

 

Note 2: Cable Style A comprises of individual twisted cores , Style B comprises a sheathed and screened cable

 

Note 3: OP10 at 20 kHz