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Home » All LVDT Products » Free Core » AC

LVDT General Purpose AC Operated 0.375" Diameter CD-375 Series

LVDT General Purpose, AC Operated, 0.375" Diameter
Sale Price:
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SKU: CD-375
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(010312360000-M) CD-375-100 Qty: 2 pcs


Macro Sensors’ LVDT CD 375 Series of 3/8 inch (9.5 mm) diameter AC-operated LVDTs are small size contactless linear position sensors for both OEM and end user applications. They are available in full scale measuring ranges from ±0.025 inch (±0.63 mm) to ±1.0 inches (±25 mm) and offer 50% larger core-to-bore radial clearance, 0.012 inches (0.3 mm), than similar size units from competitors. The low mass of their cores makes these miniature LVDTs well suited for high response dynamic measurements. CD 375 Series sensors feature the high resolution, excellent repeatability, and low hysteresis associated with LVDT technology, as well as the highest sensitivity consistent with good linearity. The maximum linearity error for a CD 375 sensor is ±0.25% of full range output, using a statistically best-fit straight line derived by the least squares method.

Features

• Miniature 3/8 inch size, low core mass
• Ranges of ±0.025 inch to ±1.0 inches
• Non-linearity less than ±0.25% of FRO
• 220°F (105°C) operating temperature
• Coil assembly sealed to IEC IP-61
• Magnetically shielded SS housing

Applications

• Machine Tools
• Robotic Grippers
• Medical Equipment
• Valve Position Sensing
• ATMs and Copy Machines
• Pneumatic Cylinder Position
• Oil and Gas Well Monitoring

Brand Name: Macro Sensors
Made in: USA

Catalog Short Form:
application/pdf iconcatalog_shortform_08.pdf
Datasheet:
application/pdf iconCD375series_Data Sheet_061311.pdf

Macro Sensors’ LVDT CD 375 Series of 3/8 inch (9.5 mm) diameter AC-operated LVDTs are small size contactless linear position sensors for both OEM and end user applications. They are available in full scale measuring ranges from ±0.025 inch (±0.63 mm) to ±1.0 inches (±25 mm) and offer 50% larger core-to-bore radial clearance, 0.012 inches (0.3 mm), than similar size units from competitors. The low mass of their cores makes these miniature LVDTs well suited for high response dynamic measurements. CD 375 Series sensors feature the high resolution, excellent repeatability, and low hysteresis associated with LVDT technology, as well as the highest sensitivity consistent with good linearity. The maximum linearity error for a CD 375 sensor is ±0.25% of full range output, using a statistically best-fit straight line derived by the least squares method.

The proven reliability of CD 375 Series LVDTs is a direct result of manufacturing processes and assembly techniques developed and optimized by Macro Sensors personnel over many years of making LVDTs. Their environmental robustness stems from the materials of their construction, such as glass-filled polymer coil forms for thermal stability and stainless steel housings that act as magnetic shields to reduce the effects of any external AC magnetic fields. Their external sealing meets IEC standard IP-61.

Macro Sensors offers several standard options that permit a user to customize CD 375 LVDTs, including Teflon® bore liners and metric threaded cores. In addition to these standard options, Macro Sensors can design and produce special CD 375 LVDTs, including units with different lead wire exit points and connectors; vented units for operation in pressurized fluids; units for higher ambient temperatures; and units constructed of materials resistant to mild nuclear radiation. Contact the highly experienced Applications Engineers at Macro Sensors for help with any special requirements.

GENERAL SPECIFICATIONS

Input Voltage
3.0 Vrms (nominal)
Input Frequency
2.5 - 3.0 kHz
Linearity Error
<±0.25% of FRO
Repeatability Error
<±0.01% of FSO
Hysteresis Error
<±0.01% of FSO
Operating Temperature
-65°F to +220°F
Operating Temperature
-55°C to +105°C
Coefficient of Sensitivity
-0.01%/°F (nominal)
Coefficient of Sensitivity
-0.02%/°C (nominal)
Vibration Tolerance
20 g to 2 kHz
Shock Survival
1000 g, 11 ms

UNIT SPECIFICATIONS

PARAMETER
UNIT OF MEASURE
CD 375-025
CD 375-050
CD 375-100
CD 375-250
CD 375-500
CD 375-1000
Nominal Range
Inches
±0.025
±0.050
±0.100
±0.250
±0.500
±1.000
Nominal Range
Millimeter
±0.63
±1.25
±2.50
±6.25
±12.5
±25
Sensitivity
mV/V/.001 Inch
3.3
1.6
1.6
2.2
1.2
0.66
Sensitivity
mV/V/Millimeter
130
63
63
87
47
36
Primary Impedance
Ohms
90
340
340
500
435
775
Dimension "A"
Inches
0.50
0.75
1.00
1.75
3.30
5.60
Dimension "A"
Millimeter
12.7
19.1
25.4
44.5
83.8
142.2
Dimension "B"
Inches
0.40
0.63
0.64
1.13
2.00
3.00
Dimension "B"
Millimeter
10.2
16.0
16.3
28.6
50.8
76.2
Dimension "N"
Inches
0.25
0.38
0.50
0.88
1.65
2.8
Dimension "N"
Millimeter
6.35
9.5
12.7
22.1
41.9
71.1
Weight, Body
Ounces
0.10
0.20
0.21
0.40
0.63
0.95
Weight, Body
Grams
2.8
5.7
6.0
11.3
18.0
27.0
Weight, Core
Ounces
0.008
0.014
0.015
0.033
0.056
0.088
Weight, Core
Grams
0.23
0.40
0.42
0.94
1.60
2.50
LVDT General Purpose AC Operated 0.375" Diameter CD-375 Series

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Harold G. Schaevitz Industries LLC

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