JPK 3
9
Operation
5.3
Take a sample
ATTENTION
(see chapter “Security Advices and Dan-
gers in Case of Non-compliance”)
Danger of Scald!
Course of Action concerning the sam-
pling removal:
1
open cooling water inlet valve (on site)
and wait till the flowing out of a strong
cooling water jet of the cooler will take
place, minimum 1000 l/h (4.4 gpm US /
3.7 gpm UK). the cooling water tempera-
ture should lie at about 15°C (59°F).
2
Open the sampling water tap carefully
(ball cock equipped with red handle,
above the device) till a thin jet of the boil-
er water flows out, about 10 up to 30 l/h
(0.05 up to 0.13 gpm US / 0.04 up to 0.12
gpm UK). Flush the Erlenmeyer flask re-
peatedly in order to effectuate the sam-
pling removal.
ATTENTION
(see chapter “Security Advices and Dan-
gers in Case of Non-compliance”)
–
In the case of a too low cooling water
stream or a too high sampling water
stream there is a danger of scald!
–
In the case of non-insulated wires
above the sample water cooler there
is burn danger!
3
Removal of the sampling water.
By means of escaping splashing water
a short-circuit can occur on electric de-
vices.
4
Turn off the sample water tap.
5
Close the cooling water inlet valve.
6
After having brought to an end the sam-
pling analysis the cleaned Erlenmeyer
flask can be put on the sampling removal
tube in order to store it.
Fig. 4:
Take a sample
