Hanna Instruments HI2550 - Page 59

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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 electrode.
Use: general purpose.