Interfaces; Usb Interface; Voltage Supply - Testo 845 Bedienungsanleitung

30 3. Product description
Display
Display
+ °C/°F
+ °C/°F
+ %
+ °C/°F
+ °Ctd
+ °C ∆td

3.2 Interfaces

USB interface

The mains unit (accessory) for the voltage supply of the instrument can be
connected via the USB interface on the underside of the instrument.
Measurement / instrument data can be exchanged with a PC via the
USB interface. The measuring instrument is a HighPower instrument, an addi-
tional USB-hub may be necessary!
Probe socket(s)
Plug-in thermocouple probes type K can be connected via the probe socket on
the underside of the instrument.

3.3 Voltage supply

The voltage supply is provided by two mignon batteries (included in delivery) or
rechargeable batteries or via a USB mains unit (accessories). Rechargeable
batteries cannot be charged in the instrument.
Functions
Temperature reading IR
Temperature reading contact probe
Ambient humidity value in % relative humidity
Ambient temperature reading
Ambient dewpoint
Dewpoint distance