Hanna Instruments HI 93710 - Manual (Page 44)

44
• Fill one graduated mixing cylinder up to the
25 mL mark with deionized water.
• Add the content of one packet of HI 93746 TPTZ reagent, close
the cylinder and agitate for 30 seconds. This is the blank.
• Fill a cuvet with 10 mL of the blank up
to the mark and let it sit for 3 minutes.
• Replace the cap, insert the blank into
the holder and make sure that the notch
on the cap is positioned securely into
the groove.
• Press ZERO and "SIP" will appear on the display.
• Wait for a few seconds and the display will
show "-0.0-". Now the meter is zeroed and
ready for measurement.
• Fill one graduated mixing cylinder up to the
25 mL mark with the sample.
• Add the content of one packet of HI 93746 TPTZ reagent, close
the cylinder and agitate for 30 seconds.
12
3
6
9
30"
ZERO
IRON LOW RANGE IRON LOW RANGE IRON LOW RANGE IRON LOW RANGE IRON LOW RANGE MEASUREMENT MEASUREMENT MEASUREMENT MEASUREMENT MEASUREMENT
Iron LR
12
3
6
9
30"
10 mL