Hanna Instruments HI 96822 - Manual (Page 9)

9
TO CHANGE MEASUREMENT UNIT TO CHANGE MEASUREMENT UNIT TO CHANGE MEASUREMENT UNIT TO CHANGE MEASUREMENT UNIT TO CHANGE MEASUREMENT UNIT
Press the RANGE key to select measurement units. The instrument toggles between the three
measurement scales each time the key is pressed and the primary display indicates “PSU”,
“PPt” and “S.G.”. When the instrument displays the screen with 4 dashes, the instrument is
ready for measurement. A number on the display indicates the selected unit: “1” denotes PSU, “2”
denotes PPT and “3” denotes Specific Gravity.
8 seconds
TO CHANGE TEMPERATURE UNIT TO CHANGE TEMPERATURE UNIT TO CHANGE TEMPERATURE UNIT TO CHANGE TEMPERATURE UNIT TO CHANGE TEMPERATURE UNIT
To change the temperature measurement unit from Celsius to Fahrenheit (or vice versa), follow this
procedure.
1. Press and hold the ON/OFF key continuously for approximately 8 seconds. The LCD will
display the “all segment” screen followed by a screen with the model number on the primary
display and the version number on the secondary display. Continue pressing the ON/OFF
key.
2. While continuing to hold the ON/OFF key, press the ZERO key. The temperature unit will
change from °C to °F or vice versa.
°C or °F
MAKING A STANDARD SOLUTION MAKING A STANDARD SOLUTION MAKING A STANDARD SOLUTION MAKING A STANDARD SOLUTION MAKING A STANDARD SOLUTION
Sodium Chloride solutions can be used to check the accuracy of the meter. The table below lists
several Sodium Chloride solutions and there expected ppt Seawater value.