Mô tả
Extremely precise, rugged and practical: the testo 552 digital vacuum gauge. Ideal for evacuating refrigerant systems or heat pumps.
Product benefits:
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The only digital vacuum gauge of its kind with maintenance-free yet high-precision absolute pressure sensor
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2 400 hours of battery power for 100 days of continuous operation
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Extremely precise, extremely rugged, extremely practical – with visual alarm and backlit display
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Measures pressure and calculates the evaporation temperature of H2O automatically
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