Thank you for selecting products of JIANGSU SFERE ELECTRIC CO., LTD. For your
convenience of purchasing and safely, correctly and efficiently use of this product,
please read this user manual carefully and pay attention to following points when
using this product.
CAUTION
：
The device must be installed and maintained by professionals;
The input signal and power supply must be cut off before any internal or
external operation of the device,
A suitable voltage detection device must be always used to confirm that
there is no voltage at all parts of the meter;
The electrical parameters provided to the device must be within the rated
range
The following conditions will cause damage to the device or abnormal operation
of the device:
The voltage of auxiliary power supply is out of range;
The frequency of auxiliary power supply is out of range;
◆
The polarity of current or voltage input is incorrect;
The communication plug is removed with the power on;
The terminals are not connected as required.
Please don’t touch the terminals
when the meter is in operation!
The latest version of this manual can be downloaded on our company's homepage,
and some corresponding test software downloads are also provided. If you need
the electronic version of the user manual, please contact our technical service
department.
