Standard Measurements - Philips pm2521 Operating Manual

W A R N I N G : l t m u s t b e b o r n e i n m i n d t h a t i n a l l m e a s u r e m e n t s
t h e . u t o
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o f t h e P R O B E - i n p u t i s r a i s e d
to the same potential as that of the o-input socket.
D o n o t t o u c h t h e z e r o $ o f t h e P R O B E - i n p u t d u r i n g a m e a s u r e m e n t .
6.4.1 .
Standard measurements
6.4. |.l. Direct voltage measurements (V-)
6 . 4 . M E A S U R I N G
G E N E R A L
D i r e c t v o l t a g e s c a n b e m e a s u r e d i n t w o w a y s v i z . :
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D i r e c t v o l t a g e m e a s u r e m e n t s ( s t a n d a r d m e t h o d ) ,
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D i r e c t v o l t a g e m e a s u r e m e n t s i n r e l a t i v e r e Í e r e n c e m o d e . T h e r e l a t i v e r e f e r e n c e m o d e o f f e r s t h e p o s s i b i l i t y
t o s e l e c t a p r e d e t e r m i n e d r e l a t i v e z e r o r e Í e r e n c e l e v e l . E a c h s u b s e q u e n t r e a d i n g w i l l i n d i c a t e t h e p o s i t i v e
o r n e g a t i v e d e v i a t i o n Í r o m t h e r e l a t i v e r e f e r e n c e v a l u e .
E x a m p l e :
Measured voltage e.g.: +1.0000 V in the relative reference mode +1.0000 V will be displayed as +O.O00O V.
The subsequent measured voltages are e.g. +1.1000 V and +0.9000 V.
T h e v a l u e s d i s p l a y e d w i l l b e r e s p e c t i v e l y + 0 . 1 0 0 0 V a n d - 0 . 1 0 0 0 V
D I R E C T V O L T A G E M E A S U R E M E N T S ( S T A N D A R D M E T H O D }
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S e l e c t f u n c t i o n V -
w i t h t h e f u n c t i o n s e l e c r o r .
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S e l e c t t h e m a n u a l o r a u t o m a t i c r a n g i n g m o d e w i t h p u s h b u t t o n A U T O / M A N * .
R e m a r k s :
M a n u a l r a n g i n g i s i n d i c a t e d w i t h a * o n t h e d i s p l a y .
I n a u t o m a t i c r a n g i n g m o d e t h e U P l e v e l i s 2 0 2 0 0 a n d t h e D O W N l e v e l i s 0 1 8 0 0 .
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S e l e c t i n m a n u a l r a n g i n g m o d e t h e c o r r e c t r a n g e w i t h p u s h b u t t o n s U P o r D O W N .
R e m a r k :
A v a i l a b l e r a n g e s a r e : 2 0 0 . 0 0 m V
2.0000 v
20.000 v
200.00 v
2000.0 v
O v e r l o a d i s i n d i c a t e d w i t h O L o n t h e d i s p l a y ( D i s p l a y > 2 1 0 0 0 ) .
I n r a n g e 2 0 0 0 V o v e r l o a d i s a l s o i n d i c a t e d a t 2 1 0 0 . 0 V . H o w e v e r , t h e m a x i m u m i n p u t v o l t a g e i s 1 0 0 0 V - ,
1 4 0 0 V p e a k .
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C o n n e c t t h e v o l t a g e s o u r c e t o t h e 0 a n d V t e r m i n a l .
R e m a r k :
The polarity indicated is the polarity of the V terminal with respect to the 0 terminal.
Voftages from 1 kV upto 30 kV can be measured with the HT probe PM9246.
Refer to chapter 6.4.2.'1 .