Manual


XVII. CARE and MAINTENANCE
Ultrameter IIs should be rinsed with clean water after use. Solvents should
be avoided. Shock damage from a fall may cause instrument failure.
A. Temperature Extremes
           
cup area; this may cause damage. The pH sensor may fracture if the
Ultrameter II
be exercised not to exceed rated operating temperature.
Leaving the Ultrameter II in a vehicle or storage shed on a hot day
This will void the
warranty.
B. 
Dry Instrument THOROUGHLY.
Open instrument carefully. Carefully detach battery from circuit board.
         

screws, tighten evenly and securely.
NOTE:         
memory and all calibration settings are protected even during power
loss or battery replacement. However, loss of time and date may occur if

C. 
        
serial number of your instrument to ensure receipt of the proper type.
Complete installation instructions are provided with each replacement
sensor.
D. Cleaning Sensors
1. 
The conductivity cell cup should be kept as clean as possible. Flushing
with clean water following use will prevent buildup on electrodes.
However, if very dirty samples — particularly scaling types — are


electrodes, use isopropyl alcohol or a foaming non-abrasive household
II is again ready for
accurate measurements.
  
       II   
combination type that features a porous liquid junction. It should not be