Testing Machines and Systems for textile materials - Zwick

Catalogue Testing Machines and Systems for textile materials

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Zw/ck I Roell


Extensometer with sensor arms - Technical data / special features
	Macro	Long stroke
	extensometer	extensometer
Measurement system	Incremental	Incremental
Gauge length L₀	10 to 100/205 mm	10 to 1000 mm, manual setting
Measuring range	80/120/160 mm	1000 mm - L₀
Resolution	0.3/0.6/0.9/1.2 Mm	5 Mm
Accuracy	Class 1 acc. to EN 10002-4,	1% of reading or 0.01 mm,
	better than ISO 5893, grade A	whatever is greater
Inertia force	< 0.05 N	< 0.2 N
Special features	motorized senor attachment	motorized senor attachment
motorized gauge length setting
(allround version)
Applications	textiles and compounds	textiles and compounds
	With low or medium strain	with max. forces > 20 N
Advantages	• robust and simple to use	• robust and simple to use
	• low inertia force	• strain measurement until fracture
	• crosshead contact protection	without lifting the sensor arms
	• exchangeable sensor arms for	(rotatable knife edges)
	different measuring ranges	• exchangable sensor arms
	• convenient for measurements	convenient for measurements
	in temperature chambers	in temperature chambers


Non-Contacting Extensometer - Technical data / special features

	Optical	Laser	Video
	extensometer	extensometer	extensometer
Measurement system	Incremental,	Rotation laser,	Digital video camera with
	2 industrial cameras	0.5 W He/Ne	image processing system
Gauge length L₀	10 to 900 mm	10 mm (tension)	min. 5 mm
20 mm (compression)
L₀-marking	circular reflectors	line reflectors	line reflectors
Measuring range	1000 mm - L₀	ca. 400 mm	Field of view¹⁾:
i.e. 50/200/1000 mm
Resolution	5 urn	12 um	0.5 / 2 / 10 um1)
Accuracy	1% of reading or 0.03 mm	Class 1 acc. to EN 10002-4,	Class 1 acc. to EN 10002-4,
	Whatever is higher	better than ISO 5893, grade A1	better than ISO 5893, grade A1
		for extensions > 5 mm	(depends on lenses)
Advantages	• simple-to-use measurement	• convenient for measure-	• Very adaptable for different
	for materials with high strain	ments in temperature	materials and test procedures
	• secure and accurate	chambers through a heated	• automatic gauge length
	measurement until fracture	optical glass window	recognition
	• convenient for measure-		• convenient for measure-
	ments in temperature		ments in temperature
	chambers through a heated		chambers through a heated
	optical glass window		optical glass window
• automatic gauge length
recognition
¹⁾ Measuring range and resolution depends on lenses