TMI Bending Resistance Tester & Optional GraphMaster™ Software

INTRODUCTION

Model 79-25 is a user-friendly microprocessor controlled instrument to determine the bending resistance of paper, paperboard, plastic film, medical tubing, and wire. Bending stiffness is a characteristic associated with the rigidity of a material. This property is related to the modulus of elasticity of the material's stiffness. Our Bending Tester was originally developed to produce a more concise, consistent measurement for the paper industry. This property is now used in a variety of industries including personal products, paper, flexible films, packaging and non-wovens.

Our two-point method secures the specimen into a pneumatic clamp and bends the sample up to 90° against a force transducer.

What makes our Bending Resistance instrument so unique is its versatility and accuracy. Bending forces are measured at selectable bending angles from 5.0 to 90°. The instrument is available with a 100 or 1000 gram precision load cell. The advanced data acquisition system senses forces down to 0.5g. Materials can range from 5 to 50mm in length, up to 2.5mm thick.

BENEFITS

• Very flexible for performing different types of tests and for different standards.
• Pre-certified weights and sample cutter options
• Ability to add special formulas to meet unique bending stiffness requirements
• Competitive advantages for accuracy and usability
• Motorized testing and pneumatic clamping eliminates operator influence

SPECIFICATIONS

• Choice of 10N or 1000mN load cell
• Min. force sensitivity: 0.5mN with 1000mN load cell
• Selectable bending angle 5.0-90° and test length 5-50mm
• Meets ISO 2493, AS/NZ 1301-4535, BS 3748, DIN 53121, SCAN P29, TAPPI T556
• RS232 serial data output, printer output and analog signal output
• Can be directly calibrated to traceable National standards

FEATURES

• Direct sample to load cell contact for accurate measurement
• Easy selection of test parameters from a comprehensive range through a setup menu
• Motorized test length setting
• Pneumatic clamps with fast release provide consistent clamping pressures for fast, repeatable results
• Large, clear display showing peak value and angle
• Load cells are fitted with overload protection
• Direct data output via RS-232 to printer or optional GraphMasterTM analysis software
• Calculates Taber Stiffness, Youngs Modulus, Gurley Stiffness units.
• Can be directly calibrated to traceable national standards

STANDARDS

ISO 2493, AS/NZ 1301-4535, BS 3748, DIN 53121, SCAN P29, TAPPI T556
Can be directly calibrated to traceable national standards

INSTRUMENT SIZE

	Depth:		330 mm (13 in.)
	Height:		180 mm (7 in.)
	Width:		330 mm (13 in.)
	Weight		15 kg (33 lb)

CONNECTIONS

	Electrical:		Specify voltage requirements when ordering
	Air:		(instrument quality) 400-600 kPa700 kPa (90 psi) max. supply pressure

INCLUDED ACCESSORIES

• Clear plastic table for dead weight calibration

OPTIONAL ACCESSORIES

• Certified dead weight set to meet ISO requirements
• Sample Cutter
• Printer

ORDERING INFORMATION

	Load cell		Catalog Number
	10 N		79-25
	1,000 mN		79-25 (specify 1,000 mN)

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