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HI 2031B Glass body, semimicro, conic tip, refillable, combina-

tion. Use: semisolid products.

FC 100B PVDF body, double junction, refillable, combination.

Use: general purpose for food industry.

FC 200B PVDF body, open junction, conic shape, Viscolene, non-

refillable, combination. Use: meat, cheese.

FC 210B Glass body, double junction, conic shape, Viscolene,

non-refillable, combination. Use: milk, yogurt.

FC 220B Glass body, triple ceramic junction, refillable, combina-

tion. Use: food processing.

ORP ELECTRODES

All electrode part numbers ending with B are supplied with BNC

connector and 1 m (3.3') cable.

HI 3131B Glass body, refillable, combination, platinum sensor.

Use: titration.

HI 3230B Plastic body, gel-filled, combination, platinum sensor.

Use: general purpose.

HI 4430B Plastic body, gel-filled, combination gold sensor.

Use: general purpose.

For a complete list of available pH and ORP electrodes, consult the

Hanna General Catalog or visit www.hannainst.com

OTHER ACCESSORIES

ChecktempC Pocket-size thermometer (range -50.0 to 150.0°C)

HI 710005 115 Vac/12 Vdc power adapter, US plug

HI 710006 230 Vac/12 Vdc power adapter, European plug

HI 76405 Electrode holder

HI 7662 Temperature probe with 1 m (3.3') cable

HI 8427 pH/ORP electrode simulator with 1 m (3.3') coaxial

cable and BNC connector

HI 931001 pH/ORP electrode simulator with LCD, 1 m (3.3')

coaxial cable and BNC connector

HI 8072 1M KNO

electrolyte, 4 x 30 mL (FDA approved bottle)

HI 7082 3.5M KCl electrolyte, 4 x 30 mL, for double junction

electrodes

HI 8082 3.5M KCl electrolyte, 4 x 30 mL, for double junction

electrodes (FDA approved bottle)

ORP SOLUTIONS

HI 7091M Reducing pretreatment solution, 230 mL bottle

HI 7091L Reducing pretreatment solution, 500 mL bottle

HI 7092M Oxidizing pretreatment solution, 230 mL bottle

HI 7092L Oxidizing pretreatment solution, 500 mL bottle

HI 7020M Test solution, 200-275 mV, 230 mL bottle

HI 7020L Test solution, 200-275 mV, 500 mL bottle

HI 7021M Test solution, 240 mV, 230 mL bottle

HI 7021L Test solution, 240 mV, 500 mL bottle

HI 7022M Test solution, 470 mV, 230 mL bottle

HI 7022L Test solution, 470 mV, 500 mL bottle

pH ELECTRODES

All electrode part numbers ending with B are supplied with BNC

connector and 1 m (3.3') cable.

HI 1043B Glass body, double junction, refillable, combination.

Use: strong acid/alkali.

HI 1048B Glass body, annular open junction, refillable, combina-

tion. Use: wine processing.

HI 1053B Glass body, triple ceramic junction, conic shape, refill-

able, combination. Use: emulsions.

HI 1083B Glass body, micro, Viscolene, non-refillable, combina-

tion. Use: biotechnology, micro titration.

HI 1110B Glass body, single junction, gel-filled, combination.

Use: general purpose.

HI 1131B Glass body, single junction, refillable, combination.

Use: general purpose.

HI 1230B Plastic body, double junction, gel-filled, combination.

Use: general, field.

HI 1330B Glass body, semimicro, single junction, refillable, com-

bination. Use: laboratory, vials.

HI 1331B Glass body, semimicro, single junction, refillable, com-

bination. Use: flasks.

HI 1332B Plastic body, double junction, refillable, combination.

Use: general purpose.

HI 1413B Glass body, single junction, flat tip, Viscolene, non-

refillable, combination. Use: surface measurement.

Brand	Hanna Instruments
Model	pH 21
Category	Measuring Instruments
Language	English

Hanna Instruments pH 21 User Manual

Table of Contents

Questions and Answers:

Hanna Instruments pH 21 Specifications

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