The Expansimeter measures the
Hygroexpansivity of sheet materials in accordance with TAPPI Useful Method 549. The
relative humidity is controlled using saturated salt slurries resulting in specific
humidity values from 11% to 92%. Up to 20 samples can be tested simultaneously.
Air Circulation System maintains stable and uniform
Specimen Chamber is encased by removable glass panels
Large Barrel Micrometer Heads provide reading accuracy of 0.0005"
Two Salt Bath Trays allow rapid humidity changes
Three sets of Specimen Hooks for 10", 7 ½", & 5" samples
Psychrometric Thermometer included for humidity measurement
Dimensions: 31"l x 17"w x 67"h
Weight: 345 lbs.
Power 120 V/60 Hz/1 Phase 750 watts
Power requirement: 240V/50 or 60Hz/1 phase 750 watts