D e lt a M u lt i- C ir c u i t P o w e r M e t e r D P M - M A11 2 1 U s e r M a n u a l
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1.1
Foreword
Thank you for using this product, this meter interface installation manual provides information on the
DPM-MA1121
meter. The
DPM-MA1121
multi-function control smart meter is used for power distribution
(power system) monitoring and control in various industries. Suitable for measuring CAT II power system
Before using, please carefully read this manual to ensure that it is used correctly. The following matters
must be observed before you have read this manual
：
The installation environment must be free of moisture, corrosive gases and flammable gases.
When wiring, please follow the wiring diagram to explain the construction.
The grounding project must be implemented, and the grounding must be carried out in accordance with
the current state.
Do not dismantle the meter or change the wiring while power is on.
Do not touch the power supply during power-on operation to avoid electric shock.
If you still have problems using it, please contact your dealer or our customer service center. Due to the
constant improvement of the product, please contact your dealer or the website (http://www.delta.com.tw/ia/) to
download the latest version when the content specifications are corrected.
1.2
Outward & Instructions
The DPM-MA1121 has a liquid crystal display screen that displays five measurement data per page
