Datasheet

The remarkable testo 635 instruments offer easy
humidity, equilibrium moisture, and pressure
dewpoint measurements in seconds. Five
probe inputs ensure maximum flexibility: 2 via
cable connection and 3 via wireless connection.
All are displayed on the large, backlit display for
easy viewing including differential and mean
values. Three funciton buttons provide access
to advanced instrument features. The optional
Testo printer provides wireless infrared printing
of all channels for on-site documentation.
Timed interval printing (ie. 1x per minute) makes
longterm monitoring easy and repeatable. The
635-2 has the added value of large memory
to 10,000 values and includes software and
computer cable.
AAddddiittiioonnaall ffeeaattuurreess::
 Record up to 10,000 values
 Analyze data via Testo’s Comfort
software (included)
 Selectable “User profiles” can be
stored by location etc.
 User-defined timed-interval cycles
(between 1 sec and 24 hrs.).
 Display the dewpoint difference
between ambient air and surfaces,
(t635-2)
 Precision pressure probes down to -76°F
pressure dewpoint for checking
compressed air lines, dryers, etc.
Introducing the
testo 635 Series
The 635 is rugged by design and able to stand
up to daily measuring tasks. The rubberized
housing, offers protection against dirt and
impact and will help protect your instrument.
The large illuminated display is recessed for
better protection.
The 635 is also equipped with a convenient
carrying strap plus two powerful magnets in
back that allow secure hands free operation.
Rugged enough for
everyday use