58-21 Roughness and Air Permeance Tester
INTRODUCTION
The Roughness and Air Permeance Tester is an advanced microprocessor-controlled instrument for measuring the roughness and air permeance of paper and board using the Bendtsen method. The instrument incorporates significant technological advances to offer unrivalled accuracy and reproducibility.
Test result variability inherent in Dr. Bendtsen's original design has been eliminated by measuring the air pressure in the head directly over the substrate and by the subsequent electronic regulation of that air pressure.
APPLICATIONS
Paper
SPECIFICATIONS
- Meets ISO 5636/8791/2, BS 4420, DIN 53108/53120, SCAN P21
- Factory calibrated to traceable National Standards
INCLUDED ACCESSORIES
- Hardness weight, ground glass plate, plan weight (four measuring positions), measuring head, roughness only.
OPTIONAL ACCESSORIES
- Air permeance measuring head.
FEATURES
- Unique extended range of 0–5000 ml per minute
- Easily interchangeable measuring lands
- Selectable air permeance units in ml/min. or µm/Pa.s
- RS-232 serial data output
INSTRUMENT SIZE
| Depth: | 350 mm (14 in.) | ||
| Height: | 240 mm (10 in.) | ||
| Width: | 350 mm (14 in.) | ||
| Weight | 25 kg (55 lb) |
CONNECTIONS
| Electrical: | Specify voltage requirements when ordering | ||
| Air: | (instrument quality) 600 kPa |
ORDERING INFORMATION
Catalog No. 58-21-00
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PDF Product Data Sheet:
58-21 Roughness and Air Permeance Tester
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The TMI Guide to Pulp and
Paper Testing:
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