105
• Remove the cuvet.
• Add the content of one packet
of HI 93708 reagent. Replace
the cap and shake gently un-
til dissolution is complete.
• Reinsert the cuvet into the instrument.
• Press TIMER and the display will show the countdown prior to the
measurement or, alternatively, wait for 10 minutes and press
READ DIRECT. In both cases “SIP” will blink during measurement.
• The instrument directly displays concentration in mg/L of nitrite
on the Liquid Crystal Display.
• To convert the reading to mg/L of nitrogen-nitrite (NO
2
–
-N)
concentration, multiply the reading by a factor of 0.304.
• To convert the reading to mg/L of sodium nitrite (NaNO
2
)
multiply the reading by a factor of 1.5.
Nitrite HR
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