Control Unit - TESTO 454 Getting Started

36 Product description

3.2 Control Unit

3.2.1 Power supply
Power is supplied to the Control Unit via:
· Mains unit 230V/ 8V/ 1A, (0554 1084)
· Testo rechargeable pack NiMH (0515 0097)
· Commercially available batteries or rechargeable batteries (Type AA)
3.2.2 Control elements, Connections
Printer
Function keys
Keypad
PC interface (RS 232)
Testo databus
Probe socket
3.2.3 Display
Additional
reading desi-
gnations
Additional
functions
Status indicator
The following displays are possible:
Battery warning
Program running
Mains adapter connection
Built-in differential pressure probe
Status indicator System components
Readings
Location selection
Page selection
Program
Search for
components
on the Testo databus
Holder for touchpen
(option )
Battery compartment
(rear of instrument)
System
bar
Reading display: max.
6 values on one page
Function bar
Mains operation
Error message,
instrument ->diagnosis