YOKOGAWA EXA100 Series Quick Manual Download Page 1

[

] key

[

] key

This Quick Manual briefly explains the operation, 
calibration and routine maintenance of the EXA Series 
SC100 Converter and the dedicated conductivity sensor, 
SC10XB. Please read the appropriate user's manuals 
thoroughly before using this system.

References: User's Manuals

SC100 Panel Mount Conductivity Converter:

IM 12D11A01-01E

SC10XB Conductivity Sensor:

IM 12D11C01-01E

1. Key Operations

• To cancel the operation: Simultaneously press [

] and

   [

] keys.

• To move from measurement display to setup display :
  Hold down [

ENT

] key for at least 3 sec.

• To move from measurement display to calibration display :
  Hold down [

] key for at least 3 sec.

• To move from setup/calibration display to measurement 
  display :
  Hold down [

] key for at least 3 sec.

Main functions of keys

[

ENT

] key : Confirms the status or setting.

[

] key: Moves up a menu item or increases the setting.

[

] key: Moves down a menu item or decreases the setting.

2. Start-up

For start-up instructions, refer to the SC100 Panel Mount 

Conductivity Converter's User's Manual, IM 12D11A01-01E.

3. Calibration 
  

 (Using Standard Calibration Solution)

Refer to Chapter 6 of the SC100 Panel Mount Converter's
User's Manual, IM 12D11A01-01E.

SC100 Panel Mount Conductivity Measurement System

[Quick Manual]

Status Display

• Status of 
  contact output 
  (specified by
   suffix code)

[

ENT

] key

Main Display

• Conductivity reading 
   during measurement
• Setting and data during 
   calibration/setup

Sub-Display

• Temperature during 
  measurement
• Parameter during setup

LED

LED

Number

Alphabet

Alphabet

Z

M

Y

L

X

K

9

W

J

8

V

I

7

U

H

6

T

G

5

S

F

4

R

E

3

Q

D

2

P

C

1

O

B

0

N

A

Display and Operation Keys

Alphanumeric Display Table

IM 12D11A01-11E  1st Edition: Mar. 2003

EXA100 Series

* Conductivity meter does not require calibration using standard solution as routine maintenance if the 
   correct cell constant has been defined upon start-up.
* For details on the calibration using standard solution, refer to Section 6.5 of the SC100 Panel Mount 
  Converter's User's Manual, IM 12D11A01-01E.

LED

µ

S/cm

mS/cm

CANCEL

MEAS

CAL

SET

S4

S3

S2

S1

ENT

SC100

EXA

* Calibration should be performed if the cell constant has changed due to prolonged operation.

Press [

ENT

key once.

Water

Calibration 
Display Top

Replace the sensor in the process.

Calibration result 
is reflected to the 
measured value.

Main display stops 
flashing and sub-display 
is flashing.

Set the conductivity 
value of the standard 
solution using [

] and 

[

] keys.

Press [

] key 

for 3 sec.

Measurement 
Display

1st digit in Main 
display is flashing.

Wait until reading 
has stabilized.

Press [

] key 

for 3 sec.

Measurement 
Display

Press [

ENT

] key twice. 

Main and sub displays 
flash upon each press.

Rinse the conductivity 
sensor well with water 
or appropriate solution.

Standard solution

Press [

ENT

key once.

µ

S/cm

mS/cm

mS/cm

EXA

SC100

S1

S2

S3

S4

mS/cm

µ

S/cm

EXA

SC100

ENT

S1

S2

S3

S4

SET

CAL

MEAS

CANCEL

µ

S/cm

mS/cm

CANCEL

MEAS

CAL

SET

S4

S3

S2

S1

ENT

SC100

EXA

µ

S/cm

mS/cm

S4

S3

S2

S1

SC100

EXA

Wipe thoroughly after rinse, 
and then soak the sensor in 
the standard solution.

µ

S/cm

mS/cm

mS/cm

EXA

SC100

S1

S2

S3

S4

Decimal point 
is flashing.

Move the decimal point 
using [

] and [

] keys. 

Press [

ENT

] key to confirm.

µ

S/cm

mS/cm

EXA

SC100

S1

S2

S3

S4

µ

S/cm

mS/cm

EXA

SC100

S1

S2

S3

S4

µ

S/cm

mS/cm

EXA

SC100

S1

S2

S3

S4

Data updated

µ

S/cm

mS/cm

S4

S3

S2

S1

SC100

EXA

Press [

ENT

key once.

Press [

ENT

key once.

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