Appendix a -- sensor specifications – Kaman Extreme Environment Sensors User Manual

Page 20

High Temperature Displacement System

Appendix A -- Sensor Specifications

KD1925

KD1925M

KD1950

KD1950M

KD1975

KD1975M

Measuring

.050"

.040"

.150"

.100"

.200"

.100"

Range

(1.27 mm)

(1 mm)

(3.81 mm)

(2.54 mm)

(5 mm)

(2.5 mm)

Sensitivity

50 mV/mil

10 mV/mil

Output

0 - 2.5 Vdc

0 - 2 Vdc

0 - 1.5 Vdc

0 - 1 Vdc

0 - 2 Vdc

0 - 1 Vdc

Voltage

Offset

.005"

.002"

.010"

.005"

.010"

.005"

(typical)

(.127mm) (.0508mm)

(.254mm) (.127mm) (.254mm) (.127mm)

Resolution

(at mid range)

Static:

30 u"(.00075mm) 30 u"(.00075mm) 50 u"(.0012mm) 50 u"(.0012mm) 100 u"(.0025mm) 100 u"(.0025mm)

Dynamic:

50 u"(.0012mm) 50 u"(.0012mm) 100 u"(.0025mm) 100 u"(.0025mm) 200 u"(.005mm) 200 u"(.005mm)

Repeatability

30 u"

100 u"

Nonlinearity

+/-1.5% FSO

+/-1% FSO

(at calibration

Temperature)

Operating Temp. -200oC to 25oC -200oC to 25oC -200oC to 595oC -200oC to 595oC -200oC to 595oC -200oC to 595oC

Range (sensor)

or 25oC to 538oC or 25oC to 538oC

Typical TempCo
(sensor only)

Zero Shift:

0.054%/oC FSO 0.054%/oC FSO 0.036%/oC FSO 0.036%/oC FSO 0.018%/oC FSO 0.018%/oC FSO

Sensitivity Shift: 0.054%/oC FSO 0.054%/oC FSO 0.036%/oC FSO 0.036%/oC FSO 0.018%/oC FSO 0.018%/oC FSO

Sensor Material Corrosion resistant high temp.

Corrosion resistant high temp.

nickel chrome alloy (Inconel 718)

nickel chrome alloy (Inconel 625)

all welded and heretically sealed

Cable Material Nickel chrome alloy (Inconel 600)

Nickel chrome alloy (Inconel 600)

sheathed, mineral insulated,

sheathed, mineral insulated

copper

inner

sheath

copper

inner

sheath

Standard lengths:

Softline:

ft.

Hardline:

10 ft.

Target material Non-magnetic

magnetic

Non-magnetic

magnetic

Non-magnetic

magnetic

conductors conductors conductors conductors conductors conductors

Max Operating 5000 psi

5000 psi

3500 psi

Pressure

-19-