A series
I
04
Ion selective electrode, standard solutions, ionic strength adjuster
Conductivity electrode, conductivity standard solutions
Dissolved oxygen electrode, electrolyte solution, membrane cap
Temperature probe
Index:
Model
/
Components
1
2
3
4
5
6
7
A120/130
•
•
•
•
A131
•
•
•
•
A150/151
•
•
•
•
A180/181
•
•
•
A131-Cn cyanide and A131-S sulfide ion meters do not provide
above solutions
Meter Overview
1
Sensor connections
2
Display
3
Membrane keypad
Connectors
1
Socket for pH, ORP or ion selective electrode (BNC)
2
Socket for reference electrode (3.5 mm jack)
3
Socket for 4-pole conductivity electrode (6-pin DIN)
4
Socket for 2-pole conductivity electrode or dissolved oxygen
electrode (6-pin DIN)
5
Socket for temperature probe (3.5 mm jack)
6
USB-B interface to the computer or printer
7
Socket for power adapter
Keypad
Key
Function
•
Switch the meter on or off
•
Return to measurement mode
•
Select the measurement mode
•
Press and hold the key to set the temperature
•
Start calibration
•
Press and hold the key to enter the setup menu
•
Lock or unlock the measurement
•
Print a measurement
•
Store current reading to memory
•
Increase value or scroll up the menu items
•
View the data log or calibration log
•
Decrease value or scroll down the menu items
•
Confirm the calibration or displayed option