Dear Customer
You have made the right decision by choosing a measuring instrument from Testo. Thousands of customers
buy our high standard products every year. There are at least 7 good reasons for doing so:
1) Cost - performance ratio. Reliable quality at a fair price.
2) Extended warranty times of up to 3 years - depending on instrument.
3) We have the ideal solutions for your measuring tasks based on our expert experience gained
over 40 years.
4) Our high quality standard is confirmed by the ISO 9001 certificate.
5) Of course, our instruments carry the CE symbol required by the EU.
6) Calibration certificates for all relevant parameters. Seminars, advice and calibration on location.
7) Our after-sales service. Ask for more details.
The TESTO handheld pressure gauge testo 525 is a digital pressure measuring instrument with
integrated pressure sensor for the measurement of differential, relative or absolute pressures and
vacuum. Its versatile range of functions and high precision render it suitable for a wide range of
applications.
According the certificate of conformity the instruments meet the standard
according 2004/108/EEC
11
Introduction