MAINTENANCE
Handling
DO NOT lay instrument on display with wet electrode since the liquid may
enter the instrument case through the base of the electrode creating a
short or circuit board damage. Shake the instrument vigorously after each
use to remove ALL water from the side of the pH electrode and inside of
the conductivity electrode.
Cleaning
Both electrodes are equipped with protective caps. The bottle on the pH
electrode protects the glass bulb inside the plastic sleeve, protects
it from contamination and prevents it from drying out. The red cap on
the conductivity electrode prevents fluid from entering the electrode
when only pH is being measured and reduces the need for cleaning. Clean
both electrodes before storing to prevent build-up of sediment and to
assure long life.
SPECIFICATIONS
pH
Range: 0 to 14
Accuracy: ▒0.01 pH
Temperature Compensation: Automatic 0░ to 70░C
Conductivity Range
DSPH-1: 0 to 19,999 ╡mhos
TDS-4: 0 to 1,999; 0 to 19,999; 0 to 199,999 ╡mhos
Resolution: 10 ppm or 10 ╡mhos
Accuracy: ▒2% of span
Temperature Compensation: Automatic 0░ to 50░C
Power: 9V alkaline battery
Dimensions: 6 1/4" x 1 1/4" x 2 1/4" (158.75 x 31.75
x 57.15 mm)
Weight: 8.5 oz (241 g)
Figure
5
pH Values Common Industrial and Household products
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