Water Cooled High Temperature Extensometers

• Designed for measuring axial strain in high temperature tension, compression, and through-zero fatigue testing applications up to 1200°C (2200°F)
• Water cooling is more effective at keeping the extensometer body at a constant temperature and reducing noise in the data measured
• Includes ceramic extension rods that extend into the furnace and minimize rod creep, thermal expansion errors, and conduction losses from the specimen
• Contact force varies by model. Select from models with 400 g or 780 g contact forces
• Water cooling required
• Additional models and rod geometries available upon request
• Meets or exceeds requirements for calibration according to ASTM E83 Class B1 and ISO 9513 Class 0.5 standards

Metric Units
MODEL NUMBER	OPTIONS	GAGE LENGTH	MEASURING RANGE (% STRAIN)	MAXIMUM TEMPERATURE	CONTACT FORCE	CERAMIC EXTENSION RODS INCLUDED	PART NUMBER
632.51F-04	006,080	12 mm	+20% / -10%	1200°C	780 g	Qty 2, V-chisel Edge Rods, 3.50 mm (.138 in) rod diameter, 85 mm (3.35 in) long	047-402-6511
632.51F-01	006,077	25 mm	+15% / -10%	1200°C	400 g	Qty 2, V-chisel Edge Rods,  3.50 mm (.138 in) rod diameter 94 mm (3.7 in) long	047-402-6521
US Customary Units
MODEL NUMBER	OPTIONS	GAGE LENGTH	MEASURING RANGE (% STRAIN)	MAXIMUM TEMPERATURE	CONTACT FORCE	CERAMIC EXTENSION RODS INCLUDED	PART NUMBER
632.51E-04	006,080	0.5 in	+20% / -10%	2200°F	780 g	Qty 2, V-chisel Edge Rods, 3.50 mm (.138 in) rod diameter, 85 mm (3.35 in) long	047-402-6501
632-51F-01	006,077	1.00 in	+15% / -10%	1200°F	400 g	Qty 2, V-chisel Edge Rods, 3.50 mm (.138 in) rod diameter, 94 mm (3.7 in) long	047-402-6531

1 Mount is not required when using with 653.xxB furnace, for other installations contact MTS.

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