System Lock; User Defined Tests - palintest Photometer 7500 Operation Manual

NOTE: do not use sample dilution when measuring pH or
alkalinity

5.9 System Lock

To prevent unauthorised or inadvertent changes to the
System settings or log deletion a four digit code can be used
to lock several options.
The default code is set to 6812. To change the System Lock
code follow the on-screen prompts to choose a memorable
four digit number.
Then the System Lock is applied, the items accessible within
the System Mode are limited until the unlock code is entered.
Access is limited to viewing the result log, adjusting the
backlight, contrast and Bluetooth settings.

5.10 User Defined Tests

I
n addition to the many available calibrations/methods, the
Photometer 7500 Bluetooth provides additional capability for
up to 30 User Defined Tests. A User Defined Test is built
using a table of calibration data consisting of up to 10 data
pairs of absorbance and concentration.
Download or request a copy of Usertestbuilder.exe (suitable
for Windows operating systems) from our websites to define
the details and calibration data as shown below:
Connect the Photometer 7500 Bluetooth to the PC using the
USB cable provided, ensuring the instrument is set to Hard
Drive mode.
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