User Manual – Rev AJ California Instruments
1.3 Different Model Series
There are two versions of the MX Series product, Series I and Series II. This user manual
covers both MX model series with top level assembly part numbers 7003-400 (Series I) and
7003-422 (Series II). The difference between the Series I and the Series II is the controller used.
The Series II uses a newer controller design but retains backward compatibility with the Series I
products. The part number is shown on the model / serial number tag on the back of the MX
series. All Series II will have a firmware revision of 4.0 or higher. The firmware revision is
displayed briefly at power up on the LCD display and can also be queried over the bus by using
the *IDN? command.
Differences between the two model series are restricted to:
Reduced number of measurement calibration coefficients on Series II.
Increased measurement sampling rate on Series II.
Maximum DC offset range in AC+DC mode is 250Vdc on Series I, 220Vdc on Series II
Where relevant, differences are highlighted throughout the user manual.
12 MX Series
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