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 µmhos
TDS-4: 0 to 1,999; 0 to 19,999; 0 to 199,999 µmhos
Resolution: 10 ppm or 10 µmhos
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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