General Data; Conversion Characteristics (Adc); Visual Representation Of The Display; Operating Conditions In Accordance With Iec 359 - Philips pm2521 Operating Manual

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24
2 . 2 .
G E N E R A L D A T A
2.2.1 .
Conversion characteristics (ADC)
T y p e o Í c o n v e r s i o n
L i n e a r
O p e r a t i n g p r i n c i p l e
R e p e t i t i v e t r i g g e r e d
R a n g e s e t t i n g
A u t o m a t i c a l l v
M a n u a l b y m e a n s o f p u s h b u t t o n s U P a n d D O W N
P o l a r i t y s e t t i n g
A u t o m a t i c a l l y i n t h e f u n c t i o n s V , A , o C . t r i g g e r l e v e l , d B a n d
Z E R O S E T
2.2.2.
Visual representation of the display
N u m b e r o f d i g i t s
3 % i n f u n c t i o n s A . . = 7 a n d A - ,
4% in functions V -
V -,
oC,
O and -}
5 i n f u n c t i o n s H z a n d s .
R a n g e c h a n g i n g
4lz digit function
3% digit function
R a n g e u p
R a n g e d o w n
20200 ! 20
0 1 8 0 0 1 2 0
2020 ): 2
0 1 8 0 1 2
M e a n s o f r e p r e s e n t a t i o n o f t h e o u t p u t v a l u e
L i q u i d c r y s t a l d i s p l a y ( L C D ) , h e i g h t 1 3 m m
R e Í l e c t i v e . l i t f r o m f r o n t s i d e
M e a n s o f p o l a r i t y r e p r e s e n t a t i o n
A u t o m a t i c + - a n d - i n t h e L C D
M e a n s o f f u n c t i o n r e p r e s e n t a t i o n
W i t h t h e f u n c t i o n s e l e c t o r o n t h e t e x t p l a t e
M e a n s o f u n i t r e p r e s e n t a t i o n
A u t o m a t i c i n t h e L C D
m V , V , k H z , M H z , s , o c , f r , k O , M A , t t A , m A , A a n d d b
M e a n s o f o v e r l o a d r e p r e s e n t a t i o n
L C D i n d i c a t e s O L
M e a n s o Í d e c i m a l p o i n t r e p r e s e n t a t i o n
A u t o m a t i c , d e p e n d i n g o n t h e s e l e c t e d r a n g e i n t h e L C D
M e a n s o f r a n g i n g r e p r e s e n t a t i o n
A u t o m a t i c i n L C D
*
f o r m a n u a l r a n g i n g
M e a n s o f r e l a t i v e r e f e r e n c e r e p r e s e n t a t i o n
A u t o m a t i c i n L C D
Z,S
D a t a h o l d
W i t h o p t i o n a l D a t a H o l d p r o b e P M 9 2 6 3
W i t h p u s h b u t t o n S T O P i n f u n c t i o n s
R a n g e h o l d
W i t h A U T O / M A N * r a n g i n g p u s h b u t t o n
2.2.3.
Operating conditions in accordance with IEC 359
2.2.3. l. Climatíc conditions
I n a c c o r d a n c e w i t h G r o u p I o f I E C 3 5 9 w i t h e x t e n s i o n o f t h e t e m p e r a t u r e l i m i t s
Temperature
Reference temperature
23 oC I 1 oC
R a t e d r a n g e o f u s e
+ 0 o C . . . + 4 5 o C
U p p e r t e m p e r a t u r e l i m i t
+ 4 5 o C
L i m i t r a n g e o f s t o r a g e a n d t r a n s p o r t
- 4 0 o C . . . + 7 0 o C
H u m i d i t y
R e l a t i v e h u m i d i t y
2 o y o . . . 8 0 % R H , n o n - c o n d e n s i n g
2.2.3.2. Mechan ical conditions
l n a c c o r d a n c e w i t h G r o u p 2 o f I E C 3 5 9

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