4. MEASURING PROCEDURE
1)Power supply installation :
* The meter's power supply should install the batteries
and connect " AC to DC adapter " together.
* The batteries are the backup power of " Clock ", if meter
install the batteries only and not connect the " AC to DC
adapter ", meter only can measure the input mA value
and the function of SD card data logger is disable, it also
can not show other function.
Batteries
Install the batteries into the battery compartment :
* Loose the " Screw of the battery cover " ( 3-9, Fig. 1 )
and take away the " Battery Cover " ( 3-8, Fig. 1 ) from
the meter.
* Replace with DC 1.5 V battery ( UM4/AAA, Alkaline/Heavy
duty type ) x 6 PCs, and reinstate the cover.
* Make sure the battery cover is secured after changing
the battery.
AC to DC adapter
* The " AC to DC adapter " is the standard accessory.
* Plug the output plug of " AC to DC adapter " into
the " DC 9V power adapter input socket " ( 3-13, Fig. 1 )
2)Connect the measured 4-20 mA signal wires to
4-20 mA CH 1 input plug ( 3-18, Fig. 1 )
4-20 mA CH 2 input plug ( 3-19, Fig. 1 )
4-20 mA CH 3 input plug ( 3-20, Fig. 1 )
please make the attention of the wire's
polarity ( +, - ).
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