4 | Installation
8 / 24 Instruction Manual VACTEST TPP900_EN_en
1 = Jack plug 2.5 mm ; 12 … 15 VCD
2 = AGND
NOTE
The battery can be left in the gauge when the external power supply is used. A re-
chargeable battery will not be loaded but can remain in the gauge.
4.4 USB Interface
The USB port can be connected to a PC via VacTest explorer to read out stored measure-
ment data, transmit measurement values or configure the gauge.
Connector type:
Mini USB Type B
1 = VCC ; +5 V
2 = Data -
3 = Data +
4 = GND
5 = GND