Hanna-instruments HI 99121 Manuale Utente Pagina 1
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SPECIFICATIONS Instruction Manual HI 99121Soil pH Test Kitwww.hannainst.com
32PRELIMINARY EXAMINATIONRemove the test kit from the packing material and examine itcarefully to make sure that no damage has occurred duringshipping
54pH is the measure of the hydrogen ion concentration [H+]. Soilcan be acid, neutral or alkaline, according to its pH value.Fig. 1 shows the relations
76High pH levels can depend on different elements, hence, thereare different methods for its correction.- Soils rich with limestone:Add organic matter
98ORGANIC SUBSTRATEpH measurements of organic substrates is important ingreenhouses and nursery growing pots. pH should be checkedat the outset to mak
1110HOUSE PLANTSPreferred pH Range Preferred pH RangeAbutilon 5.5-6.5 Gardenia 5-6African violet 6-7 Geranium 6-8Anthurium 5-6 Hibiscus 6-8Araucaria 5
1312To connect the probeWith the meter turned off, connect the HI 1292D probe to the DINsocket on the top of the meter by aligning the pins and pushin
1514"7.01" (or "6.86") - "OK 1", and an audible signal is produced.After 1 second, the meter automatically returns to th
MAN99121R3 09/05TECHNICAL SERVICE CONTACTSAustralia:Tel. (03) 9769.0666 • Fax (03) 9769.0699China:Tel. (10) 88570068 • Fax (10) 88570060Egypt:Tel.
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