OPERATING INSTRUCTIONS
WHAT’S IN THE CASE
The UV254SD comes fully assembled in a carrying case along with a UVA probe, a UVC
probe, a 2 GB SD memory card and this user’s manual.
Figure 1 shows all of the controls and indicators on the front, back, top, bottom and right
side of the UV254SD. It also shows the main components of the supplied UVA and UVC
probes. Familiarize yourself with their positions and functions before moving on to the setup
procedure.
Fig. 1. The controls and indicators
and other physical features of the UV254SD and its
two supplied probes
4
1-1 Liquid-crystal display
1-2 POWER/ESC button
1-3 FUNC./HOLD/NEXT button
1-4 REC/ENTER button
1-5 SET
▼
button
1-6 LOGGER
▲
button
1-7 Socket for UVA and UVC probes
1-8 Socket for Type K or Type J
thermocouple
1-9 SD card socket
1-10 RS232 output jack
1-11 RESET button
1-12 Socket for 9VDC AC adapter
1-13 Battery compartment cover
1-14 Battery compartment cover screws
1-15 Kickstand
1-16 Tripod attachment nut
1-17 UVC probe plug
1-18 UVC sensor housing
1-19 UVC sensor
1-20 UVA probe handle
1-21 UVA sensor
1-22 UVA probe plug
1-23 UVA sensor cap
TOP
RIGHT
SIDE
BACK
UVC
PROBE
UVA
PROBE
BOTTOM
FRONT