2 Description of the instrument
11
The testo 191 T4 and testo 191 P1 data loggers have no thread. For
the probe shaft dimensions of the testo 191 data loggers, please refer
to the technical data in Section 6, Technical data.
2.4
Power supply
Large and small battery types are available for all testo 191 data loggers. For
information on installing and changing the batteries, please refer to Section 3.1
Installing the battery and 4.2 Changing the battery. Section 6 contains the
Technical data for the batteries.
1 Large battery (1/2 AA)
2 Small battery (2 x button cell)
2.5
Programming and readout unit
Communication between the testo 191 data loggers and the testo 191
Professional software occurs exclusively via the programming and
readout unit. See Section 3.3, Positioning the data logger in the
programming and readout unit.
Summary of Contents for 190 P1
Page 1: ...testo 191 data logger Instruction manual...
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