Foreword
2
Foreword
Foreword
Dear Testo Customer,
We are delighted that you have chosen a product from Testo. We hope that the product
will give you a long period of satisfaction and will aid you in your work.
If problems should occur which you cannot rectify yourself, please consult our service
department or your dealer. We will endeavour to provide fast and competent assistance
to avoid lengthy down times.
Need help?
Do you have a question about the 521 and is the answer not in the manual?