Nova-Tech pH-Dissolved Oxygen Meter - Manual (Page 32)

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11. 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.
* See “Warranty” and “Return of Items” on page 67
If an error message appears in the primary
display (the upper row of larger digits),
switching off the meter and switching it
on again may eliminate the error message.
If error persists, or the meter shows incorrect
values, return the meter.
For a complete diagram of the display,
see page 5.
12. Specifications
Mode pH mg/l (ppm) % saturation Temperature
Range -2 to 16 pH 0.00 to 0.0 to 200.0% 0.0 to 50.0°C /
20.00 mg/l (ppm) 32.0 to 122.0°F
Resolution 0.01 pH 0.01 mg/l (ppm) 0.1% 0.1°C / 0.1°F
Accuracy ±0.01 pH ±1.5% full scale ±1.5% full scale ±0.3°C / ±0.5°F
Calibration up to 5 points: one or two points (100% and 0% saturation); offset up to
pH 1.68; 4.01; plus separate mg/l (ppm) slope ±5°C or ±10°F
7.00; 10.01; 12.45
Temperature compensation: automatic from 0 to 50°C
Salinity correction:
Range: 0.0 to 50.0 ppt
Resolution: 0.1 ppt
Method: Key in manually and automatic correction
Barometric pressure correction:
Range: 500 to 1499 mm Hg / 66.6 to 199.9 kPa
Resolution: 1 mm Hg / 0.1 kPa
Method: Key in manually and automatic correction
DO Probe type: galvanic probe
Display: dual LCD
Backlit display: select from eight levels of brightness
Operating temperature: 0 to 50°C
Power: four 1.5 V AAA batteries (included)
Battery life: > 100 hours continuous use
use of backlit display decreases battery life
Dimensions:
Meter: 7.5"L x 3.75"W x 2.25"H (19 x 9.5 x 5.7 cm)
Boxed: 9.2"L x 9.2"W x 2.75"H (23 x 23 x 7 cm)
DO Probe: 6.8"L x 1.3" dia (173 mm L x 32 mm dia) with 10-ft cable
pH Electrode: 6.0"L x 1.0" dia (152 mm L x 25 mm dia) with 10-ft cable
Weight:
Meter: 1.0 lb (0.5 kg)
Boxed: 2.0 lbs (0.9 kg)
http://www.novatech-usa.com/Products/Laboratory-Equipment-Supply-Products Tel: (281) 359-8538 Toll Free:(866) 433-6682