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3 electrical connections – Thermo Fisher Scientific Alpha pH 800 User Manual

Page 12

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5

3 ELECTRICAL

CONNECTIONS

3.1

Connection Diagram






ENSURE
that the power cable is physically separated from the power
supply.



Si

g

na

l

Ou

tput

Hold Input

Relay B

R

elay

A

P

ow

e

r

M

a

i

n

s

p

H

m

A

-

+

P

E

/

S

P

E

A

C:

N

L

1

2

5

4

3

6

7

8

9

10

11

12

13

14

15

17

15

1

6

*

) ind

i

c

ated c

o

ntact positions are for currentless condition

s

P

t 1

0

0

Poten

ti

a

l

M

atc

h

ing Pin (P MP)

Signal Input pH/ORP

S/

V

P

E

/

S

pH

1

8

1

9 20

2

1 2

2

S/

S

/

BNC