Canada’s Instrumentation Leader Since 1946.

Displacement Sensors

LDS sensors are available in two types, the LDS which has an outer case Ø17.4 and the LD20 with an outer case Ø19.0, displacements range from 5mm through to 100mm. For technical information see the Specifications page for performance data and dimensional sizes. Both ranges of sensors have sprung return stainless steel outer case and […]

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LDS sensors are available in two types, the LDS which has an outer case Ø17.4 and the LD20 with an outer case Ø19.0, displacements range from 5mm through to 100mm. For technical information see the Specifications page for performance data and dimensional sizes. Both ranges of sensors have sprung return stainless steel outer case and are fitted with a 2 metre flying lead.

• ENGINEERED FOR QUALITY
LDS sensors rugged construction, low force spring return spindle, utilising low excitation voltage, light current consumption and strain gauge sensor compatibility are all key design factors coupled with modern production techniques of this precision engineered sensor that offer the customer a robust and consistent quality product.

• ACCURACY
LDS sensors produce proportional voltage output in relation to the captivated guided spindle displacement via the four active arms of a 350 ohm strain gauge bridge arrangement. This fully active bridge provides excellent temperature compensation characteristics coupled with true output linearity.

• COMPATIBILITY
LDS sensors belong to the family of strain gauge sensors and exhibit the same inherent advantages for linearity, resolution and versatility as such they are systems compatible with a wide range of commonly used sensors for load, pressure, acceleration, vibration etc. utilising a millivolt signal for most off the shelf instrumentation.

• VALUE
LDS sensors compatibility with low cost instrumentation, providing higher accuracy test data, reliable feed back and control, yields greater value in wide variety of applications, industrial process control, civil engineering projects, soil mechanics, R & D testing, automotive and aerospace etc.

 

Model Type
Model Range
LDS-xx / LD20-xx
LDS
   
05
10
25
50
100
Feature Units
Displacement mm
5.5
11
26
51
101
inch
0.2
0.4
1.0
2.0
4.0
Weight (excluding cable) grams
125 / 135
130 / 140
140 / 150
180 / 200
320
Spindle Force gf
50-250
50-250
50-250
50-250
90-380
Sensitivity * (nominal) mv/mm
4.2 / 4.4
2.5 / 2.8
1.4 / 1.45
0.84 / 0.86
0.38
Output FS * (nominal) mv/v
5.0 / 5.4
5.4 / 6.1
7.3 / 7.5
8.7 / 8.9
7.5
Non-Linearity, Hysteresis, Repeatability  (total error) %FS
<0.1
<0.2
Dim A mm
120
126
156
234
392
Dim B mm
89
89
104
157
264
Dim C mm
Ø17.4 / 19
Ø25.4
Bridge Resistance Ohms
350
Excitation  AC or DC volts
2-10
Current consumption mA
<30 @ 10vdc
Insulation Resistance
>2000
Resolution  
infinite
Operating Temperature  
-10 to +70
Temperature
Effect
Zero °C
<0.01% / °C
Output  
<0.01% / °C
Environmental Protection  
IP 54
Termination  
2mtrs 4 core screened cable (min bend radium 10mm)
Electrical Connections  

Input +
Input -
Output +
Output -
   

Red
Blue
Green
Yellow
With Plug Fitted
5 pin Din 240°
Pin 1
Pin 2
Pin 4
Pin 5
* Nominal figures only, actual readings will vary.
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