Nova-Tech pH-Dissolved Oxygen Meter - Manual (Page 35)

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17. Warranty
OAKTON warrants this meter to be free from significant deviations in material
and workmanship for a period of three years from date of purchase. OAKTON
warrants this probe to be free from significant deviations in material and
workmanship for a period of six months from date of purchase. If repair or
adjustment is necessary and has not been the result of abuse or misuse within
the warrantied time period, please return—freight prepaid—and correction will
be made without charge. OAKTON alone will determine if the product problem
is due to deviations or customer misuse.
Out-of-warranty products will be repaired on a charge basis.
18. Return of items
Authorization must be obtained from our Customer Service Department before
returning items for any reason. When applying for authorization, please include
data regarding the reason the items are to be returned. For your protection, items
must be carefully packed to prevent damage in shipment and insured against possi-
ble damage or loss. We will not be responsible for damage resulting from careless or
insufficient packing. A restocking charge will be made on all unauthorized returns.
NOTE: We reserve the right to make improvements in design, construction, and
appearance of products without notice.
16. Appendix 3: Factory Default Settings
Resetting the meter to factory default settings clears all calibration data and returns
other setup functions to the default settings shown in the table below. However, the
following settings will remain as you have set them:
• temperature unit of measure (°C or °F)
• The temperature offset calibration value
• the LCD contrast setting
See pages 38, 46 and 55 for directions on setting all modes of this meter to factory
default settings.
Program Function Options/settings Default
Clr Memory clear yes/no no
dPr Pressure units Hg or Pa Hg
Barometric pressure adjust from 500-1499 mm Hg 760 mm Hg
Salinity adjustment adjust from 0-50 ppt 0 ppt
OFS Set % saturation offset up to ±10% no offset
CAL View calibration data — – – –
ELE View pH electrode offset — 0.00 mV
View pH electrode slope — 100.0%
View DO probe slope — 1.000
View % saturation offset — 0 % offset
View mV value of DO probe
@ 100% saturation — 37.0 mV
View mV value of DO probe
@ 0% saturation — 0.3 mV
COF Ready indicator/auto endpoint on/off Ready on only
Select mg/l or ppm units mg/l or ppm mg/l
Select temperature units °C or °F retains settings
LCd Adjust backlit display levels 0 to 8 (brightest) 8
rST Reset to factory default yes/no no
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