DNW
Tension Meter

4 Tension ranges available
from 10 – 100 daN up to 40 – 400 daN

Rugged mechanical tension meter for measuring pretensioned ropes up to Ø 4 mm

Hand-held instrument for tension ranges up to max. 400 daN

Tension meter with large, easy to read scale

Special Features

  • Tension meter DNW can be used only for pretensioned, non-moving ropes
  • Calibration is done using a closed force system
  • Due to the material path the max. error is approx. 3 % FS (full scale)
  • Special lever reduces the force to extend outer rollers to capture the material to be measured
  • Tension meter with large, easy to read scale (54 mm Ø)
  • Linearized scale provides a better reading
  • Tension meter with shock-resistant movement
  • Special guides on the bracket assembly and roller shifting mechanism ensure easy acquisition of the material

Standard Features

  • Everything in operator’s view:
    – the guide rollers
    – the measured material
    – the readings
  • Ball-bearing mounted, V-grooved guide rollers
  • Each instrument is individually calibrated for highest accuracy
  • Special calibration is available
  • Tension Meter with rugged aluminium housing
  • Certificate of Compliance with the order 2.1 according EN 10204 is included
  • Optionally available: Inspection Certificate 3.1 according EN 10204 with calibration report

Available Models

Model Measuring Range
 Measuring Head Width*
 SCHMIDT Calibration Material**
DNW-100K 10 – 100 daN 265 mm steel rope 2 mm Ø
DNW-200K 20 – 200 daN 265 mm steel rope 2 mm Ø
DNW-300K 30 – 300 daN 265 mm steel rope 3 mm Ø
DNW-400K 40 – 400 daN 265 mm steel rope 4 mm Ø

* Outer distance between outside guide rollers
** SCHMIDT calibration material twisted steel rope

Calibration to customized material:
If process material differs significantly from the SCHMIDT calibration material in diameter, rigidity or shape, special calibration using customer supplied samples is recommended. For this purpose a material sample of about 5 m should be supplied.

SPECIFICATIONS

Calibration: According to SCHMIDT factory procedure
Accuracy: ±3 % full scale or ±1 graduation on scale
Scale diameter: 54 mm
Temperature range: 10 – 45 ºC
Air humidity: 85 % RH, max.
Housing material: Die-cast aluminium
Dimensions: See dimensions above
Weight, net (gross): Approx. 1100 g (2400 g)

Specifications subject to change without notice!

SCALES

SCHMIDT scales are manufactured according to the most stringent quality requirements. Printed scales are not used. Instead, each scale is individually marked for the instrument involved. This ensures highest quality. Our special procedure makes it possible to provide tension meter DNW

  • calibrated to custom supplied material
  • fine tuned to a specific tension range
  • other units of measure such as kg

DELIVERY INCLUDES

Tension meter DNW with carrying case, operating instruction in German or English (as requested), Certificate of Compliance with the order 2.1 according EN 10204 free of charge

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