Fabric tension sensor PD 77

Fabric tension sensor PD 77
Product description
  • Used in the wire, press and dryer sections in paper manufacturing
  • Web tension sensor for external measurement on separate guide roller with bearing bracket
  • High-grade steel version for wire and press section
  • Size: Customer-specific
  • Nominal measuring forces from 1 to 70 kN ensure a high degree of flexibility
Technical Specifications
Accuracy class 1
Nominal characteristic 2 mV/V
Combined error (hysteresis/non-linearity) < ±0,15%
Characteristic value tolerance 0.2%
Measuring principle Full bridge strain gauge 
Nominal resistance of the bridge strain gauge 600 Ohm
Bridge voltage nominal value 10 V
Bridge voltage, max. range 14 V 
Output voltage nominal range 0 to 20 mV (at FN and UB 10 V)
Output voltage, max. range 0 to 22 mV (at 1.1 x FN and UB 10 V)
Electrical limitation 1.1xFN
Operating load 1.1xFN
Limit load 10xFN 
Nominal measuring travel 0.2 to 2 mm depending on type
Nominal temperature range -10 °C to +140 °C 
Temperature coefficient of the characteristic ±0.3% / 10 K 
Temperature coefficient of the zero signal ±0.3% / 10 K 
Protection class IP 67
Axial transverse force Not permitted
Size LxWxH (mm) Customer-specific 
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  • Brochure ELSTRETCHER