Section IV. OPERATION UNDER USUAL CONDITIONS
The following items contained in this kit must be removed and protected from temperatures below 320F (0°C):
Three bottles TDS/conductivity standard solution.
Three bottles NTU primary standard.
One bottle wide range pH indicator solution.
One bottle demineralizer resin.
One pH electrode.
These chemicals can be rendered useless and equipment damaged if allowed to freeze.
OPERATION OF TOTAL DISSOLVED SOLIDS TEST SET.
Open case and carefully remove equipment and supplies as needed. Note location for repacking.
Set up the meter. See figure 2-5.
With meter off, adjust pointer (I) to zero by turning meter zero adjust screw (2).
Observe correct polarity when installing battery. Incorrect connection can damage the equipment.
Remove bottom cover (3) by carefully prying it off total dissolved solids meter (4) and connect AC to
DC adapter (5) or install a battery (6) as appropriate. Be sure battery removal clip (7) is in place prior
to installing battery. Check battery condition per following procedures. Attach bottom cover if AC to
DC adapter was connected.
(a) Adjust range switch (8) to S position.
(b) Press button (9) and adjust the master calibration control (10) to maximum. Pointer (1) must
indicate full scale or above. If not, replace battery (6).
(c) Press button (9) and adjust the master calibration control (10) until the meter reading matches the
internal standard value on label attached to bottom cover (3). Attach bottom cover.