eutech-instruments cyberscan con 11 conductivitytds meter Manuel D’Utilisation

Instruction Manual 

 

CON 11/110 

 

67

 

No display when 
‘ON’ key is pressed 

a)  Batteries not in place 
b)  Batteries not in correct polarity (+ 

and – position) 

c) Weak 

batteries 

d)  No AC power to adapter (if this 

optional accessory is used) 

a)  Check that batteries are in 

place and making good 
contact 

b)  Re-insert batteries with correct 

polarity 

c) Replace 

batteries 

d)  Check power to AC adapter 

Unstable readings 

a)  Air bubbles in electrode. 
b) Dirty electrode 
c)  Electrode not deep enough in 

sample 

d)  External noise pickup or induction 

caused by nearby electric motor 

e)  Electrode guard not attached 
 

a)  Tap electrode to remove 

bubbles, move electrode away 
from bubbles is present in 
sample 

b)  Clean the electrode and re-

calibrate  

c)  Make sure sample entirely 

covers the electrode sensors 

d)   Move or switch off interfering 

motor.  

e)  Attach electrode guard 

Slow response 

a)  Dirty / Oily electrode  

a)  Clean electrode. See 

“Electrode Care & 
Maintenance”, page 65 

Meter is not 
responding to key 
press. 

a)  HOLD mode in operation 
 

a)  Press the HOLD/ENTER key 

to cancel the HOLD mode 

ATC indicator blinks 
and temperature 
display shows “Ur” 

a)  Improper attachment of electrode 

to the meter 

b)  electrode built-in temperature 

sensor cable connection has 
broken 

a)  Check that the electrode 

connects properly to the meter 

b) Replace electrode