Web Deflection System Measurement Specifications

English Metric
Deflection Range ±20 mils 200 microns
Resolution 0.1 mils 3 microns
Deflection Relative Accuracy 1% error Full Scale 1% error Full Scale
Web Opening Range 3.9″ to 20.8″ 99mm to 538mm
Angular Range 360° 360°
Angular Resolution
Angular Relative Accuracy

Web Deflection System Measurement General Specifications

Power Source

  • 7.2 VDC Rechargeable Lithium-Ion Battery
  • 12 Hours Operating Time on Full Charge



Operating Temperature

  • WDS 4004 Display Unit: 32°F (0°C) to 125°F (52°C)
  • Measuring Head: -10°F(-23°C) to 150°F (65°C)

Part Size Weight
WDS4004 Display Unit 3.5″W x 8″L x 4″D (89mm x 203mm x 102mm) 3.75lbs. (1.7kg)
Angle Measuring Head 2″W x 2.5″L x 1.5″D (50mm x 63mm x 37mm) 0.75lbs. (.75kg)
Deflection Measuring Head 1.75″W Dia x 3.9″ (44.5mm x 95.3mm) 1.35lbs. (0.6kg)

Carrying Case

  • Molded ABS Plastic Case
  • Size (W x L x D): 17″ x 12″ x 6″ (432mm x 305mm x 153mm)
  • Weight (Including Parts): 12 lbs. (5.5 kg)



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