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|Product Code:||ASTM C666|
The H-3185B uses on/off control of heating and cooling devices to cycle between two temperatures. It can be set to cycle continuously between two temperatures for a finite number of cycles and then stop. When set to run for a finite number of cycles, ramp rate between temperature extremes can be adjusted, as well as soak duration at each extreme.
The Rapid Freeze-Thaw Cabinet is used to measure the resistance of concrete to deterioration caused by repeated cycles of freezing and thawing in water. The system is designed to test up to eighteen 3" x 4" x 16" (76 x 102 x 406cm) concrete specimens simultaneously, with one being a control. The cabinet includes 17 Standard, H-3185T sample trays and 1 Standard, H-3185TS sample tray, which has a built-in spout on each end of the tray. Key features of system include:
Up to eight freeze-thaw cycles are possible within a 24-hour period. But the exact number of cycles is dependent upon the time required for the temperature at the center of the control prism to from 40 to 0°F (4.4 to -17.8°C) and then back to 40°F (4.4°C). The temperature at the center of the control specimen is cycled by means of a 3/4 HP (0.6KW) refrigeration unit and electric resistance heaters with fully automatic controls. An electric temperature recorder with 24-hour, 7-day week chart is incorporated into the unit to accurately maintain a record of the control specimen temperature throughout the testing period.
For corrosion resistance and long service life, the system features a stainless steel, 84" x 34" x 11" (213 x 86 x 30cm) cabinet construction with 3" (76mm) insulation on all sides. The internal test compartment measures 6" x 26" x 74" (15 x 66 x 188cm). A 30-amp circuit is required for operation.
Meets ASTM C666, procedure A; and AASHTO T161, procedure A.
Order H-3195 freeze-thaw molds separately. Shipping wt. 950 lbs. (431kg); 29 cu. ft.
|H-3185B.3||Thermocouple Replacement for H-3185B|
|H-3195||Freeze-Thaw Specimen Mold|
|H-3198M||Freeze-Thaw Specimen Mold for 100 x 100 x 400mm Specimens|
|H-3185T||Stainless Steel Sample Positioning Tray - Stainless Steel Sample Positioning Tray|
|H-3185TM||Stainless Steel Sample Positioning Tray - Stainless Steel Sample Tray|
|H-3185TS||Stainless Steel Sample Positioning Tray with Spout|
|H-3185.1||7-Day Chart Paper - 7-Day Chart Paper (100/Bx), -20 to +80°F|
|H-3185.1AC||7-Day Chart Paper - 7-Day Chart Paper (60/Bx), -30 to +10°C|
|H-3185.1AF||7-Day Chart Paper - 7-Day Chart Paper (60/Bx), -20 to +50°F|
|H-3185SH||Replacement Heating Element|
|H-3185.3A||Pen Replacement Kit, (1) per kit|