LVDT sensor DU
Robust inductive universal displacement transducer for measuring ranges from 15mm to 1000mm for numerous industrial applications in hydraulic cylinders, valves, production and mechanical engineering. The cost-effective displacement transducer with a Case diameter of 14mm has a coil unit with fully symmetrical coil design according to the LVDT differential transformer principle / full bridge circuit. Versions with different connections of plugs and cables as well as for operation of different Carrier frequencies, as well as versions calibrated to 80mV/V and versions for operation at elevated temperatures are available.
Important features
- Nominal stroke: 15 mm up to 1000 mm
- Installation length: 70 mm up to 1420 mm
- Case diameter: 14 mm
- Operating temperature: -40 °C to +80 °C (option: up to 120 °C)
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Protection class (DIN 40050): IP 64
Technical data
DU 15 |
DU 25 |
DU 40 |
DU 50 |
DU 100 |
DU 150 |
DU 200 |
DU 250 |
DU 300 |
DU 400 |
DU 500 |
DU 600 |
DU 800 |
DU 1000 |
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Nominal stroke | mm | ±7,5 | ±12,5 | ±20 | ±25 | ±50 | ±75 | ±100 | ±125 | ±150 | ±200 | ±250 | ±300 | ±400 | ±500 |
Maximum stroke | mm | 18 | 28 | 42 | 55 | 105 | 160 | 210 | 260 | 320 | 420 | 520 | 630 | 830 | 1030 |
Dimension A | mm | 40 | 40 | 50 | 55 | 80 | 105 | 130 | 155 | 180 | 230 | 280 | 340 | 440 | 540 |
Mounting length B | mm | 70 | 80 | 100 | 120 | 160 | 240 | 320 | 400 | 480 | 620 | 750 | 880 | 1140 | 1420 |
Diameter d | mm | 2 | 3 | ||||||||||||
Transducer weight (approx.) | g | 80 | 90 | 100 | 110 | 130 | 180 | 220 | 260 | 300 | 380 | 450 | 520 | 650 | 800 |
Core weight (approx.) | g | 7 | 7 | 8 | 9 | 16 | 20 | 25 | 28 | 30 | 35 | 40 | 50 | 65 | 80 |
Carrier frequency* | 5 kHz, option: 10 kHz | 5 kHz | |||||||||||||
Output signal (5 kHz) (approx.) |
mV/V | 180 | 100 | 80 | 110 | 140 | 125 | 130 | 135 | 140 | 150 | 160 | 175 | 175 | 175 |
Output signal (10 kHz) (approx.) |
mV/V | 180 | 100 | 100 | 100 | 135 | 140 | 140 | 160 | 210 | 210 | 250 | -- | -- | -- |
Recommended measuring amplifier (5 kHz) | MBI 46.31 | MBI 46.31 / MBI 50.33 |
* Select option when ordering
Properties
DU 15 ... 1000 | |
Excitation voltage (eff). | 1 ... 5 V |
Linearity* | ±0,5 % des Nennmessweges Option: ±0,25 % |
Temperature coefficient of zero | ±0,04 % / 10 K |
Temperature coefficient of span | ± 0,1 % / 10 K |
Operating temperature* | -40 ° C ... +80 ° C, option: up to 120 °C |
Protection class (DIN 40050) | IP 64 |
* Select option when ordering
Do you have further technical questions about the product?
We will be happy to help you determine the order code and provide you with further specific information for your required product.
Dimensional drawings
Braided wire interface
Teflon braided wire 250 mm long
Core channel continuous
Axial wire interface
PE-cable 2.5 m long; optional: oil- and temperature resistant teflon-cable
core channel not continuous
Radial wire interface
PE-cable 2.5 m long; optional: oil- and temperature resistant teflon-cable
core channel not continuous
Radial connector interface
Mating connector supplied
Core channel continuous