Sper-scientific 300036 Lab Digital Refractometer - Clinical Manual do Utilizador descarregar pdf (Página 5)

3-E. Scale Selection: Press the SCALE button to toggle

though the scales. The ▼ symbol indicates the active scale.

3-F. High/Low Range Limit Alert: A red light will flash

when the measurement is outside of the range limit.

 Setting the High Range Limit Alert

 With the unit on, press the FUNC button as needed until

H.LYand the flashing H-Limit icon is displayed.

 Press the READ button and the last digit flashes.

 Use the ▼ and the ◄ buttons to set the high range limit.

 Press the READ button activate the function.

 Press the FUNC button as needed to return to the

measurement screen.

 Deactivating the High Range Limit Alert

 Press the FUNC button as needed until H.Ln appears.

 Press the Read button to deactivate the function.

 Press the FUNC button as needed to return to the

measurement screen.

 Setting the Low Range Limit Alert

 With the unit on, press the FUNC button as needed until

L.LYand the flashing L-Limit icon is displayed.

 Press the READ button and the last digit flashes.

 Use the ▼ and the ◄ buttons to set the low range limit.

 Press the READ button activate the function.

 Press the FUNC button as needed to return to the

measurement screen.

 Deactivating the Low Range Limit Alert

 Press the FUNC button as needed until L.Ln appears.

 Press the Read button to deactivate the function.

 Press the FUNC button as needed to return to the

measurement screen.

3-G. Zero Checking: Perform Zero Checking if the unit has

sustained a shock, is subjected to temperature changes, or

seems inaccurate.

 Fill the prism window with a standard solution. This should

be the same temperature as the solution to be tested.

 With the unit on, press the ZERO button. A refractive index

between 1.3329~1.3331 indicates that the unit is accurate.

 If the unit is out of range, a flashing crosshair symbol

will be displayed, indicating that recalibration is required.

 Press any button to exit this function.

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Sper-scientific 300036 Lab Digital Refractometer - Clinical Manual do Utilizador Página 5