Hanna Instruments HI 9321 - Manual (Page 33)

3 3
HI 5412
Glass-body, single Calomel reference half-cell electrode, refillable
with 4mm plug with 1m (3.3') cable. Use: general purpose with
constant temperature range.
ORP electrodes:
HI 3131B
Glass-body, refillable, combination platinum ORP electrode.
Use: titration.
HI 3230B
Plastic-body (Ultem
® ), gel-filled, combination platinum ORP elec-
trode. Use: general purpose.
HI 4430B
Plastic-body (Ultem
® ), gel-filled, combination gold ORP electrode.
Use: general purpose.
120 mm
4.7"
12 mm
0.5"
HI 5412
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
Ultem ® is registered Trademark of "General Electrics Co."