- 12 -
4.
Check the sensor cap. If it is contaminated, clean it; If it is dried out,
hydrate it; If it is damaged, replace it.
9
Warranty
We warrant this instrument to be free from defects in material and workmanship and agree to repair or
replace free of charge, at option of Environmental Express, any malfunctioned or damaged product
attributable to responsibility of Environmental Express, for a period of THREE YEARS for the instrument,
TWO YEARS for the optical probe (excluding the sensor cap) and ONE YEAR for the sensor cap.
This limited warranty does not cover any damages due to:
(a)
Fails to install, operate or use the product in accordance with the instruction manual, or if the
product is damaged by abuse or incorrect use.
(b)
The sensor cap is damaged by external force and cannot work; or the electrode cable is damaged or
twisted due to external force.
(c)
Fails to maintain the product in accordance with the requirements of this manual and the industry
standard process.
(d)
Any unauthorized repairs, and the use of defective or incorrect components to repair the product.
(e)
Any modification of the product unauthorized by the company.
The product warranty period is the time for users to get free service after purchasing the product, not
the service life of the meter or electrode.
Appendix - 1 Table of Parameter Setting
Mode
Prompts
Parameter setting
items
Abbreviation
Description
Factory
Default
P4.0
DO
P4.1
Resolution
0.01-0.1 (mg/L, ppm)
0.1-1 ( % )
0.01 mg/L
P4.2
Salinity calibration
0-45 ppt
0.01
P4.3
Barometric pressure
adjustment
60-200 kPa
101.3
P4.4
DO unit
mg/L-ppm
mg/L
P4.5
Restore to factory
default setting
No-Yes
No
P6.0
Basic
Parameter
P6.1
Temperature unit
°C
-
°F
/
P6.2
Automatic lock-up
timing
/
Off-On
/
P6.3
Backlight timing
1-2-3-Off
/
P6.4
Automatic
power-off timing
10-20-30-Off
/
