Hanna Instruments HI 99121 - Manual (Page 6)

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HOUSE PLANTS
Preferred pH Range Preferred pH Range
Abutilon 5.5-6.5 Gardenia 5-6
African violet 6-7 Geranium 6-8
Anthurium 5-6 Hibiscus 6-8
Araucaria 5-6 Jasmine 5.5-7
Azalea 4.5-6 Kalanchoe 6-7.5
Begonia 5.5-7.5 Mimosa 5-7
Camellia 4.5-5.5 Orchid 4.5-5.5
Croton 5-6 Palms 6-7.5
Cyclamen 6-7 Peperomia 5-6
Dieffenbachia 5-6 Philodendron 5-6
Dracaena 5-6 Yucca 6-7.5
Freesia 6-7.5
Range (*) -2.00 to 16.00 pH
-5.0 to 105.0°C / 23.0 to 221.0°F
Resolution 0.01 pH / 0.1°C / 0.1°F
Accuracy ±0.02 pH
(@20°C/68°F) ±0.5°C up to 60°C; ±1°C outside
±1°F up to 140°F; ±2°F outside
Temperature Compensation Automatic
pH Calibration Automatic, 1 or 2 point
with 2 sets of memorized buffers
Probe (included) HI 1292D pH/temperature probe
Battery Type / Life 3 x 1.5V AA (IEC LR6) / approx. 1500 hours
Auto-off After 8 minutes of non-use
Environment 0 to 50°C (32 to 122°F); RH 100%
Dimensions 150 x 80 x 36 mm (5.9 x 3.2 x 1.4”)
Weight 210 g (7.4 oz.)
(*) The temperature range is limited to 80°C (176°F) if using the
HI1292D probe.
To clean the meter, use water only.
pH METER SPECIFICATIONS