Do you have a question about the TESTO 557s and is the answer not in the manual?
Measurement Channels | 4 |
---|---|
Connectivity | Bluetooth |
Protection Class | IP54 |
Pressure Measurement Accuracy | ± 0.5 % of full scale |
Temperature Measurement Range | -58 to 302 °F |
Display | LCD |
Temperature Measurement Accuracy | ±0.9 °F |
Battery Life | Up to 250 hours |
Data Transfer | Via Bluetooth to app |
Connections | 3 x 7/16" UNF |
Operating Temperature | -10 to 50 °C |
Storage Temperature | -20 to 60 °C |
Measurement Parameters | Pressure, temperature, vacuum |
Weight | Approx. 1.2 kg |
Pressure Measurement Range | -1 to 60 bar |
Explains the process of installing batteries for instrument power.
Describes the procedures for turning the instrument on and off.
Guides users through the initial setup configuration via the wizard.
Covers essential preparation steps before starting any measurement.
Details the correct method for operating the valve positioners on the manifold.
Introduces the various measurement modes available on the instrument.
Describes the Refrigeration application for determining system measuring values.
Explains how to remove foreign gases and moisture from refrigeration circuits.
Details how to perform a temperature-compensated leak tightness test on systems.
Explains how to calculate target superheat using the app and smart probes.
Describes the Compressor Test (DLT) mode requiring three temperature probes.
Explains how to measure temperature differences (Delta T) using two probes.
Lists the available measurement programs and applications within the Smart App.
Covers the Refrigeration application within the app for system measurements.
Explains how to calculate target superheat using the app and smart probes.
Guides users on performing a temperature-compensated leak test using the app.
Details the Evacuation application for removing moisture and gases from refrigeration circuits.
Explains the calibration process and recommendations for ensuring accuracy.
Offers advice on maintaining the instrument's measuring accuracy.
Lists and explains error codes displayed by the instrument.
Explains error codes specifically shown on the main screen.
Explains error codes that appear in the instrument's status view.