Using The Wiretrol Pipet - Hach DR2400 Manual

Using the Wiretrol
Figure 1 Wiretrol Pipet
1.
Wet the orange
®
Teflon tip of the Wiretrol
plunger in the sample,
and carefully insert it into
the end of the capillary
tube with the colored
band on it.
TPHSoil_None_Other_IMM_Eng_Ody.fm
®
Pipet
The Wiretrol Pipet can accurately measure small quantities of liquids. It consists
®
of two parts: a Teflon
1 to determine the quantity measured at each line on the capillary tube.
The plunger can be re-used; the capillary tubes must be discarded after one use.
2.
Push the tip to the
other end of the capillary
tube until it barely
extends beyond the end
of the capillary tube.
TPH (Total Petroleum Hydrocarbons)
-tipped plunger and a calibrated capillary tube. Use Figure
3.
Submerge the
capillary tube below the
surface of the liquid to be
pipetted. Slowly and
smoothly draw the
Wiretrol plunger up until
the bottom of the plunger
tip reaches the
appropriate volume line.
Note: Touch the end of the
tube to the side of the vessel to
release drops on the capillary
tube tip.
TPH (Total Petroleum Hydrocarbons)
4.
To discharge the
pipet, place the tip of the
capillary tube below the
surface of the solution
and push the Wiretrol
plunger down in one
smooth motion. Change
capillary tubes for each
calibrator and sample.
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