Time Measurements - Philips pm2521 Operating Manual

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22
2 . 1 . 1 0 . T i m e m e a s u r e m e n t s
( s )
Seconds I io1 rc2 103 rc4
105
R e s o l u t i o n
1 0 0 p s i n t h e 1 0 ' s r a n g e
N u m b e r o f r e p r e s e n t a t i o n u n i t s
9 9 9 9 9
A c c u r a c y f o r t i m e m e a s u r e m e n t 5
+ ( 0 , 0 0 5 % o Í r e a d i n g + 0 , 0 0 1 % o f r a n g e )
C o u n t i n g f r e q u e n c y
1 0 0 k H z
H o l d o f f t i m e
1 0 m s
S t a r t
B y a c r o s s i n g o f t h e t r i g g e r l e v e l
S t o p
B y a c r o s s i n g o f t h e t r i g g e r l e v e l o r b y d e p r e s s i n g p u s h b u t t o n
S T O P / R E S E T
R e s e t
B y d e p r e s s i n g p u s h b u t t o n S T O P / R E S E T
S e n s i t i v i t y
D C . . . i p s p u l s e
: 1 0 0 m V
' l p t s
. . . 1 0 0 n s p u l s e : 2 0 0 m V
T r i g g e r m o d e s ( S t a r t i s t o p )
O n p o s i t i v e g o i n g c r o s s i n g s o Í t h e + t r i g g e r l e v e l
O n n e g a t i v e g o i n g c r o s s i n g o f t h e - t r i g g e r l e v e l
With data hold probe PM 9263
O n p o s i t i v e a n d n e g a t i v e c r o s s i n g s o Í t h e + t r i g g e r l e v e l
O n n e g a t i v e a n d p o s i t i v e c r o s s i n g s o f t h e - t r i g g e r l e v e l
T r i g g e r l e v e l a d j u s t m e n t
W i t h t h u m b w h e e l a t t h e f r o n t o f t h e P M 2 5 2 ' l
R a n g e s

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