Elastomere sensor ES 20

Strain gauge sensor with integrated electronics in high-performance elastomer 

Compact and very robust strain gauge sensor with fully integrated evaluation unit for outdoor use to measure cracks, strain, misalignment, deflection, spring deflection, movement of machine parts, etc.

  • High-performance elastomer for +20 years outdoor use
  • High-quality temperature compensation
  • High IP protection, chemical resistant
  • Supply voltage 12...24 VDC
  • Output signal 0...10V or 4...20mA
  • Easy mounting by glueing, screwing, magnets

Important features

  • Nominal measuring range:  20mm bzw. +/-10mm
  • Output signal: 0...10V oder 4...20mA
  • Supply voltage: 12…24 VDC
  • Cable connection: 3m / 10m / 100m
  • Protection: IP68 / IP69K
  • Operating temperature: -40°C...+80°C
  • Temperature compensation: active, parallel strain gauge
  • Resistant to many chemicals
  • Suitable for food, medical industry

Technical data

   
ES 20 K
Nominal measuring range
 
20mm
Linearity
 
< 0,5 %
Reproducability
 
< 0,1 %
Resolution
 
5µm
Supply voltage
 
12...24 VDC
Power consumption
 
< 20mA
Polarity protection
 
no
Sampling Rate intern
 
1000 Hz
Dynamic bandwidth
 
100 Hz
Recommended dynamic range
 
< 10 Hz
Output signal
 
Standard: 4...20mA
optional: 0...10 VDC or 0...5V
Cable
 
Standard: 3m PE 4-wire, unshielded
Option: 10m / 100m / others
Case material
 
Silicone elastomer
Operating temperature
 
-40 ... +85°C
Drift
 
< 0,01 % F.S./K
Protection (DIN 40050)
 
IP 68 / IP 69 K
Type of installation
 
Bolts, pins or super-magnets
Mounting
 
2x eyelet ID Ø6.1mm x 13mm
Zero position
 
Hole spacing / Lm = 97mm
Weight
 
approx. 80 Gramm
Chemical resistance
RL
Water, oil, acid, etc.
EMC
 
According to IEC 60947-5-2
Mechanical final inspection
 
1000 cycles with 150% measuring range
Temperature test
 
full cycle -40 to +85°C
Force at end position
 
ca. 120 N

Options:

Special cable lengths and accessories on request

Mechanical drawing / connection

ES 20 K

  • LM = 97mm
  • Lt = 116mm
The zero point of the sensor, i.e. 4mA or 0V output signal, is at dimension Lm = 97mm.

For measurements with plus/minus range, the sensor must be preloaded so that the output dimension is Lm + 10mm = 107mm.
Maßzeichnung ES Sensor

Connection

Standard: 3m cable, 4-wire, unshielded

Cable lengths of more than 100m are possible by using special low-impedance cable.
Connection

Downloads

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Accessories

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Accessories

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