Display Screen
2002/12/12 12:12:12
MENU
MEMORY
START
h
g
f
120s No:003
|
|
1
.
08
mg/m3
|
|
e
c
d
a
b
a
.
Date & Time-------- Current date & time
b
.
Measurement mode-------- Time for measurement can be set to 120s, 24s or at random
by users (10~3600s).
c
.
Storage record -------- It displays current record number with 500 data to be
stored at most. When measurement is over, “STORE” will be blinked,
prompting the data can be stored. Press “MEMORY” key to store the data.
d
.
Surplus of cleaning -------- As the crystal absorbs more and more dust, this
item becomes smaller to the right. When the crystal dust exceeds 10
μ
g
“cleaning” will be blinking here, the crystal must be cleaned.
e
.
Concentration value -------- Upon measurement, the value will be blinked
f
.
Status of operation -------- upon cleaning and starting for the stability of the crystal
frequency, “wait” is blinked upon energization, “ready” is shown and upon
measurement residual time will be displayed.
g
.
High voltage pointer --------Upon energization at high voltage, the high voltage will be
shown when the pointer enters into the black part in the middle of the frame, the status
of operation will turn to “ready”. Then measurement can begin.
h
.
Cell mark -------- Power of cell is shown section by section.
Key
Menu key
Upward key
MEAS
CLN
High voltage key
Downward key
Measurement start key
SET
Set key
Memory Key
4