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testo 552 – Digital vacuum gauge

Extremely precise, rugged and practical: the testo 552 digital vacuum gauge. Ideal for evacuating refrigerant systems or heat pumps.

Product benefits:

The only digital vacuum gauge of its kind with maintenance-free yet high-precision absolute pressure sensor
2 400 hours of battery power for 100 days of continuous operation
Extremely precise, extremely rugged, extremely practical – with visual alarm and backlit display
Measures pressure and calculates the evaporation temperature of H2O automatically

Product description

The testo 552 is a high-precision digital vacuum gauge designed to provide you with absolutely reliable readings. It has all the measuring functions you need for evacuating refrigerant systems and heat pumps and is built to last and tough enough to take the odd knock.

The testo 552 is also the only digital vacuum gauge on the market with an absolute pressure senor which – in contrast to other sensor technologies – is maintenance-free while still being able to provide you with 100 percent reliable readings.

Broj artikla: Order No. 0560 5520.

Absolute Pressure

Technical data Measuring range 1100 to 0 mbar / 825080 to 0 micron Accuracy 0 to 1.33 hPa / 0 to 1000 micron : up to ±10 micron 0 to 200 hPa / 0 to 150000 micron : ±0.3% FS = ±0.6 hPa 200 to 1100 hPa / 150000 to 825080 micron : ±0.3% FS = ±3.3 hPa Resolution 0.01 hPa / 10 micron Overload absolute: 6.0 bar / 87 psi (relative: 5.0 bar / 72 psi)

General technical data

Technical data Protection class IP42 Warranty 2 years Battery type 2 AA Battery life 2,400 h (approx. 130 h with backlighting activated) Connection 2 x 7/16“ UNF; 1 x MiniDIN (connection to testo 570) Dimensions 250 x 165 x 55 mm Operating temperature -20 to +50 °C Parameter mbar; micron Measuring rate 0.5 s Storage temperature -20 to +50 °C Weight 500 g