Hanna Instruments HI 4521 - Manual (Page 7)

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HI 4521/4522 DESCRIPTION
FRONT PANEL
REAR PANEL
1) Liquid Crystal Display (LCD)
2) Main Keyboard
3) USB connector
4) ON/OFF switch
5) Power adapter socket
6) RS232 serial communication connector
7) Conductivity probe connector
8) Temperature probe socket
9) BNC electrode connector for pH/ORP/Ion measurements
10) Reference input socket
F U N C T I O N A L D E S C R I P T I O N F U N C T I O N A L D E S C R I P T I O N F U N C T I O N A L D E S C R I P T I O N F U N C T I O N A L D E S C R I P T I O N F U N C T I O N A L D E S C R I P T I O N
110
pH ELECTRODES
All electrodes part numbers ending in B are supplied with a BNC connector and 1 m (3.3') cable, as shown
below:
HI 1043B
Glass-body, double junction, refillable, combination
pH electrode.
Use: strong acid/alkali.
HI 1053B
Glass-body, triple ceramic, conic shape, refillable, combination
pH electrode.
Use: emulsions.
HI 1083B
Glass-body, micro, Viscolene, non-refillable, combination
pH electrode.
Use: biotechnology, micro titration.