TESTO 557 User Manual

testo 557 · Digital manifold
Instruction manual

TESTO 557 Specifications

General

Pressure Measurement Accuracy	±0.5 % of full scale
Temperature Measurement Accuracy	±0.5 °C
Vacuum Measurement	Yes
Automatic Heat Pump Mode	Yes
Connectivity	Bluetooth
Resolution	0.01 bar
Accuracy	±0.5 % of full scale
Interface	Bluetooth
Measurement Parameters	pressure, temperature
Display	LCD
Weight	1200 g

Summary

Safety and the environment

Ensure safety

Essential safety precautions for instrument operation, handling, and maintenance.

Specifications

Technical data

Comprehensive details on measurement parameters, ranges, resolution, and accuracy.

First steps

Inserting batteries/rechargeable batteries

Instructions for installing batteries and powering on the instrument.

Performing settings

Guides on setting units and parameters using the instrument's interface.

Using the manifold

Preparing for measurement

Covers instrument setup: power on, sensor connection, vacuum probe, Bluetooth, and mode selection.

Performing the measurement

Details on how to take measurements, including pressure application and value reading.

Tips and assistance

Questions and answers

Measurement parameters

Error reports