23
HI1330B
Glass-body, semimicro, single junction, refillable, combination
pH
electrode. Use: laboratory, vials.
HI1331B
Glass-body, semimicro, single junction, refillable, combination
pH
electrode. Use: flasks.
HI1230B
Plastic-body (
PES
), double junction, gel-filled, combination
pH
electrode. Use: general, field.
HI2031B
Glass-body, semimicro, conic, refillable, combination
pH
electrode.
Use: semisolid products.
HI1332B
Plastic-body (
PES
), double junction, refillable, combination
pH
elec-
trode. Use: general purpose.