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NON-CONTACT LINEAR
DISPLACEMENT SENSORS
12, 18 AND 30 mm HOUSINGS
LD701
Series
Starts at
$
225
All models
shown larger
than actual size.
LD701-1/2, $225.
LD701-2/5, $245.
⻬ Inductive Technology for
Sensing Metal Targets
⻬ Insensitive to Dust, Dirt,
and Oils—Ideal for
Industrial Applications
⻬ Compact Design
⻬ IP67 Protection Rating
Non-contact linear sensors have an
analog output that is proportional to
the damping target distance. Their
compact yet sturdy design makes
them suitable for industrial, robotics,
and laboratory use.
These sensors use inductive
technology, which means they can
sense any metal target. The sensing
distance, however, is influenced
by the metal target. Ranges are
calibrated using a standard square
target. The target is mild steel
(Fe 360), 1 mm (0.04") thick.
The side lengths are the larger of
either the sensor’s face diaphragm
or 3 times the sensing distance.
LD701-5/10, $290.
Sensing distances are influenced by
metals other than mild steel. The
“Correction Factors” chart, shown
below, shows the reduction that
occurs when brass or other target
metals are used. For example, if the
target were brass, the LD701-1/2
would sense 0.5 to 1 mm
(0.02 to 0.04").
The voltage output generated is
directly linear to the distance being
measured. The output can be read
by panel meters, recorders, computer
boards, or data loggers, all of which
are available from OMEGA®.
SPECIFICATIONS
Excitation: 14 to 30 Vdc @ 20 mA;
unregulated, reverse polarity and
short circuit protected
Output: 1 to 9 Vdc
Output Load: 20 mA max
J-41
Repeatability: 0.01 mm (0.0004")
Compensated Temperature:
0 to 60°C (32 to 140°F)
Total Thermal Effects: 1µm/°C/mm
Housing: Nickel-plated brass
Electrical Connection: 1.8 m (6'),
3-conductor, 22 AWG pigtail leads
(20 AWG for 30 mm)
CORRECTION FACTORS
MATERIAL APPROX.
Mild steel 1.0
Stainless steel 0.75
Brass 0.50
Aluminum 0.40
Copper 0.35
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A
B
C
D
NON-CONTACT LINEAR DISPLACEMENT SENSORS
LD701-5/10, $290, shown smaller than actual size, with MBL-18/30,
mounting bracket, $10, and DP25B-E, meter, $245, visit omega.com/dp25b.
Dimensions: mm (in)
MODEL NO. THREAD A NUT B CD
LD701-1/2 M12x1 SW17 51 10
LD701-2/5 M18x1 SW24 65 10
LD701-5/10 M30x1.5 SW36 60 10
Wiring: brown +exc; black +out; blue common.
(2.01) (0.39)
(2.55) (0.39)
(2.36) (0.39)
DISPLACEMENT
J
AVAILABLE FOR FAST DELIVERY!
To Order (Specify Model Number)
MODEL LD701-1/2 LD701-2/5 LD701-5/10
PRICE $225 $245 $290
RANGE mm (in) 1 to 2 (0.04 to 0.08) 2 to 5 (0.08 to 0.19)
REPEATABILITY ±10 µm (0.4 µin) ±10 µm (0.4 µin) ±10 µm (0.4 µin)
LINEARITY ±4% ±2% ±4%
SWITCHING 1000 Hz 1000 Hz 500 Hz
FREQUENCY
(-3 dB)
HOUSING SIZE 12 mm (0.47") 18 mm (0.71") 30 mm (1.2")
COMPATIBLE
METERS*
ACCESSORIES
MODEL NO. PRICE DESCRIPTION
MBL-8/12 $10 Mounting bracket for LD701-1/2
MBL-18/30 10 Mounting bracket for LD701-2/5 or LD701-5/10
Comes complete with operator’s manual.
* See section D for compatible meters.
Ordering Example: LD701-1/2, non-contact displacement sensor with 1 to 2 mm
(0.04 to 0.08") range, $225.
Recommended Reference Book:
Measurement Instrumentation and Sensors Handbook,
See Section Y For Additional Books
DP25B-E, DP41-E, DP3002-E, DP24-E
5 to 10 (0.19 to 0.39)
EE-2590, $210
J-42
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EPG05
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