Omega Products LD680-10 User Manual
SUBMERSIBLE LVDT’S
'A' ±0.5
M6 x 1.0-6g
'B' ±0.5
'C' ±0.5
17.00
(0.67)
(@ MID CALIBRATION/NULL
POINT)
Ø
19.00
(0.75)
18.80
(0.74)
22.50
(0.86)
M10 x 1.0-6g
20.00
(0.79)
17.00
(0.67)
3 m OF PU CABLE
(9')
32.00
(1.26)
'E' ±0.5
'D' ±0.5
(FULLY EXTENDED)
(FULLY EXTENDED)
Ø8.00 (0.31)
Ø6.00 (0.24)
M6 x 1.0-6g
WITH 4 to 20 MA OUTPUT
LD680 Series
U Rugged Construction for
Harsh Environments
U Extra Screening Against
Electrical Interference
U Stainless Steel Body and
Core Carrier
U IP68 Environmental
Rating
U Captive Core Design
Dimensions: mm (inch)
RANGE A B C D E
0 to 5 (0.20) 101.5 (4.00) 32.4 (1.28) 66.0 (2.60) 35.8 (1.41) 50.9 (2.00)
0 to 10 (0.39) 120.5 (4.74) 40.3 (1.59) 83.1 (3.27) 46.8 (1.84) 61.9 (2.44)
0 to 15 (0.59) 128.0 (5.04) 41.6 (1.64) 88.4 (3.48) 50.8 (2.00) 65.9 (2.59)
0 to 20 (0.79) 142.5 (5.61) 49.1 (1.93) 103.1 (4.06) 61.8 (2.43) 76.9 (3.03)
0 to 30 (1.18) 156.5 (6.16) 59.5 (2.34) 120.4 (4.74) 79.8 (3.14) 94.9 (3.74)
0 to 50 (1.97) 178.5 (7.03) 71.8 (2.83) 143.9 (5.67) 102.8 (4.05)
LD680-15
shown smaller than
actual size.
DISPLACEMENT
J
117.9 (4.64)
The LD680 Series are submersible
DC LVDT’s with a 2 wire 4 to 20 mA
loop output. They are environmentally
sealed up to 100 bar (1500 psi) and
come standard with 1 m (3.3') of
mineral insulated cable and 3 m (9.8')
of polyurethane cable. Other lengths
are available on special order.
SPECIFICATIONS
Linearity: <0.2% FSO
Excitation Voltage: 10 to 30 Vdc
Output: 4 to 20 mA
Output Ripple: 0.02% FSO
Bandwidth: 500 Hz (-3 dB)
Storage Temp: -20 to 85°C (-4 to 185°F)
Operating Temp: 0 to 65°C (-4 to 149°F)
Temperature Coefficient: <0.03% FSO/
°C (0.017%/°F)
Vibration (Sinusoidal):
10 to 50 Hz: 1 to 10 g rms linear
50 Hz to 1 kHz: 10 g rms
Shock: Drop test 1 meter onto
hard surface
Connection: 1 m (3.3') of mineral
insulated cable with 3 m (9.8') of
polyurethane cable (standard)
Sealing: Sealed up to 100 bar (1500 psi)
Body Material: 300 series stainless steel
Core Material: Nickel-iron
Dimensions: mm (inch)
To Order Visit omega.com/ld680 for Pricing and Details
MODEL NO. RANGE mm (inch) COMPATIBLE METERS
LD680-5
LD680-10
LD680-15
LD680-20
LD680-30
LD680-50
Comes complete with operator’s manual.
Ordering Examples: LD680-15, submersible displacement sensor with 0 to 15 mm stroke
and 4 to 20 mA output.
LD680-30, submersible displacement sensor with 0 to 30 mm stroke and 4 to 20 mA output.
0 to 5 (0 to 0.2) DP41-E, DP25B-E, DPi Series
0 to 10 (0 to 0.39) DP41-E, DP25B-E, DPi Series
0 to 15 (0 to 0.6) DP41-E, DP25B-E, DPi Series
0 to 20 (0 to 0.8) DP41-E, DP25B-E, DPi Series
0 to 30 (0 to 1.2) DP41-E, DP25B-E, DPi Series
0 to 50 (0 to 2.0) DP41-E, DP25B-E, DPi Series
J-1
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