4 9
PVDF
®
is registered Trademark of “Pennwalt Corp.”
PEI
®
is registered Trademark of “General Electric Co.”
110 mm
4.3"
12 mm
0.5"
FC 911
FC 911B
Plastic-body (PVDF
®
), double junction, refillable with built-in amplifier, combination
pH
electrode. Use: very high humidity.
HI 1413B
Glass-body, single junction, flat tip, Viscolene, non-refillable, combination
pH
electrode. Use: surface measurement.
ORP ELECTRODES
HI 3131B
Glass-body, refillable, combination platinum
ORP
electrode.
Use: titration.
HI 3230B
Plastic-body (PEI
®
), gel-filled, combination platinum
ORP
electrode.
Use: general purpose.
HI 4430B
Plastic-body (PEI
®
), gel-filled, combination gold
ORP
electrode.
Use: general purpose.
Consult the Hanna General Catalog for a complete and wide selection of electrodes.
110 mm
4.3"
12 mm
0.5"
HI 1413
150 mm
5.9"
12 mm
0.5"
"S" VERSION
HI 3131
120 mm
4.7"
12 mm
0.5"
HI 3230
"S" VERSION
120 mm
4.7"
12 mm
0.5"
HI 4430
"S" VERSION