Durability is, beneath the strength, one of the most important properties of concrete. It depends on the type of building and the environmental conditions. it is especially in road construction that a high resistance to freeze-thaw cycles is of major importance and is thus one of the major criteria in testing.The CDF-/CIF test set-up enables the freeze-thaw test to be carried out in accordance with CDF recommendations from RILEM. The advantage of this test method is in the very good reproducibility of the results that are given. With this test procedure, the weathered quantity of a surface is measured by a number of freeze-thaw cycles. The test specimens are thereby placed in a solution of sodium chloride to stress the surface. The result gives an estimate for the resistance to freeze-thaw cycling for the concrete being tested. ASTM C666 compliant.
Features
- A big colored TFT-display with touch screen for the graphical display of the temperature recordings
- New controller with self-test functions and and a easy to use human-machine interface
- Internet and network interface for controlling the machine from every PC word wide
- Silent due to the hermetic encapsulated cooling machine, and a noise insulated machine housing
- Two reliable, high quality redundant magnetic valves with low voltage control.
- Self test of all liquid levels, coolant low and high pressures, over-temperature and supply voltages
- Automatic circuit breakers for each electrical component
- Redundant semiconductor and mechanical switch for the electrical heating unit.
- All tubes and valves are Armaflex® isolated to keep dry during freeze thaw cycles.
- All wet parts made of stainless steel, copper or brass
- Basic construction made of powder coated aluminum
Technical Specifications
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test cab dimensions
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(W x L) 171 x 55 cm
for 10 container GN-B 1/2 or 15 containers GN-B 1/3
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temperature range
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-20°C to 20 °C
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max. temp. deviation
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< ( 0,5 K
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dimensions
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L x W x H 220x80x120 cm
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required room
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L x W 350×160 cm
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power
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6 kW
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required fuse
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3 x 32 A
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weight
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550 kg
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environment conditions
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10 .. 26 °C, max. humidity 60 %
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Hoskin Environnement
Hoskin Géotechnique
Hoskin Instrumentation
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