Linear Displacement Sensors
Special Use Sensors—Linear Displacement Sensors
FEATURES
• Infinite resolution
• True output linearity over the entire measurement range
• Low operating forces
• Excellent stability and temperature compensation
DESCRIPTION
Micro-Measurements Linear Displacement Sensors use a
fully active 350-ohm strain-gage bridge to sense spindle
displacement, giving infinite resolution and excellent
linearity. They are compatible with all standard strain-gage
instrumentation with bridge excitation from 2 to 10 volts.
With a selection of models having full-scale ranges from
1/4 in (5 mm) to 4 in (100 mm), Linear Displacement
Sensors feature a unique design that produces maximum
operating forces of less than 1 lb (4.4 N). Available
with specially designed mounting fixtures, these
versatile sensors are ideally suited for use in research,
manufacturing and process control applications.
ACCURACY
Micro-Measurements Linear Displacement Sensors
produce an output voltage proportional to a captive,
guided spindle displacement by means of a 350-ohm
strain gage bridge with four active arms. This arrangement
provides excellent temperature compensation and
linearity.
COMPATIBILITY
Micro-Measurements Linear Displacement Sensors
exhibit the same inherent advantages for linearity,
versatility and precision as many other strain-gage-based
sensors. As such, they are systems-compatible with a
wide range of commonly used sensors for pressure, load,
acceleration, vibration, etc. and normally utilize the same
instrumentation.
OUTLINE DIMENSIONS in inches (millimeters)
(
(
)
)
HS5
4.10 in (104.2 mm)
HS10
4.30 in (109.2 mm)
MODEL
HS25
5.44 in (138.2 mm)
HS50
8.48 in (215.4 mm)
HS100
14.97 in (380.2 mm)
B
C∅
3.49 in (88.6 mm)
3.49 in (88.6 mm)
4.08 in (103.6 mm)
6.11 in (155.2 mm)
10.47 in (266.0 mm)
0.19 in (4.8 mm)
0.19 in (4.8 mm)
0.19 in (4.8 mm)
0.19 in (4.8 mm)
0.24 in (6.0 mm)
D∅
0.69 in (17.4 mm)
0.69 in (17.4 mm)
0.69 in (17.4 mm)
0.69 in (17.4 mm)
1.0 in (25.4 mm)
DIMENSION
A
Document No.: 11350
Revision: 25-Apr-2018
For technical questions, contact
mm@vpgsensors.com
www.micro-measurements.com
1
Linear Displacement Sensors
Special Use Sensors—Linear Displacement Sensors
SPECIFICATIONS
HS5
0.25 in (6.5 mm)
HS10
0.5 in (11.2 mm)
MODEL
HS25
1 in (26 mm)
HS50
2 in (51.5 mm)
HS100
4 in (102 mm)
Weight
0.31 lb (140 g)
0.31 lb (140 g)
0.33 lb (150 g)
0.44 lb (200 g)
1.10 lb (500 g)
Spring Force*
0.44 lb (200 g)
0.55 lb (250 g)
0.55 lb (250 g)
0.66 lb (300 g)
0.77 lb (350 g)
PARAMETERS
Displacement Range*
Excitation
2 to 10 V, AC or DC
Frequency Response*
5-mm displacement: 100 Hz; 100-mm displacement: 10 Hz
Rated (F.S.) Output*
4.5 mV/V
5.3 mV/V
7.0 mV/V
3.6 mV/V
5.2 mV/V
Nonlinearity (Best-Fit Method)*
0.5% FS
0.5% FS
0.5% FS
0.5% FS
0.5% FS
Resolution
Infinite
Bridge Resistance (Nominal)
350 ohms bridge, 100k ohms zero balance
Temperature Range
+15 to +140°F (–10 to +60°C)
Temperature Coefficient (%FS)*
Termination
Zero
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