Oakton 35631-00, Operating Instructions Manual

Page: 23 / 26

10. Specifications
Mode pH Temperature Conductivity TDS
0 to 19.99 µS 0.00 to 9.99 ppm
–2.00 to 0 to 100°C / 0 to 199.9 µS 10.0 to 99.9 ppm
Range 16.00 pH 32.0 to 212.0°F 0 to 1999 µS 100 to 999 ppm
0 to 19.99 mS 1.00 to 9.99 ppt
0 to 199.9 mS 10.0 to 199.9 ppt
0.01 µS, 0.1 µS, 0.01 ppm, 0.1 ppm,
Resolution
0.01 pH 0.1°C or °F 1 µS, 0.01 mS, 1ppm, 0.01 ppt,
0.1 mS 0.1 ppt
Accuracy ±0.01 pH ±0.5°C / ±0.9°F ±1% full scale ±1% full scale
up to 5 points offset in 0.1° up to 5 points up to 5 points
Calibration (pH 1.68, 4.01, increments (one point (one point
7.00, 10.01, 12.45) up to 5° per range) per range)
pH slope: 80 to 110%
Conductivity cell constant: K = 1.0
Conductivity/TDS temperature coefficient:
adjustable from 0.0 to 10.0% per °C
Conductivity/TDS normalization temperature:
adjustable from 15 to 30°C / 59 to 86°F
Conductivity-to-TDS conversion factor: adjustable from 0.4 to 1.0
Temperature compensation: automatic or manual from 0 to 100°C / 32 to 212°F
Display: dual LCD
Operating temperature: 0 to 50°C / 32 to 122°F
Power: four 1.5 V AAA batteries (included)
Battery life: > 200 hours continuous use
Probe connectors:
pH/mV: BNC connector
Conductivity/TDS/Temperature: notched six-pin connector
Dimensions:
Meter: 7.5"L x 3.5"W x 1.75"H
(19.1 cm x 8.9 cm x 4.5 cm)
Boxed: 9.2"L x 9.2"W x 2.75"H
(23 cm x 23 cm x 7 cm)
Probe: 6.8"L x 1.3" dia (17.3 cm L x 3.2 cm dia)
Weight:
Meter: 1.0 lb (0.5 kg)
Boxed: 2.0 lbs (0.9 kg)
45 44
9. Error Messages
LCD
Indicates Cause Solution
Display
Err Unrecognized input Wrong input in Release key. Select
annunciator from keypad selected mode. valid operations
depending on mode.
CAL & Err Calibration error Wrong value input Check your input value,
annunciators at calibration. clean probe.
blink Dirty probe. See Calibration sections or
Probe Maintenance section.
Battery
Low battery level Need new batteries Clean battery contacts.
indicator blinks or battery Replace batteries with fresh
connection is bad. ones, noting polarity.
If error persists, or the meter shows incorrect values, return the meter.
See “Warranty” and “Return of Items” on page 52.
For a complete diagram of the display, see page 4.