Model Number

DEM041AL

Model DEM041AL watt hour meters is a kind of three phase four wire three tariffs (time-sharing billing)active energy meter, the meter completely accord with relevant technical requirements of class 1 three phase active energy meter stipulated in international standard IEC 62053-21. It can accurately and directly measure 50Hz or 60Hz active energy consumption from three phase four wire AC electricity net. This meter has seven digits LCD monitors shows various consumption data and information. And there are far infrared and RS485 communication module in it. It is use for setting and reading the meter. Contact with all kind of AMR system conveniently. It has following features: Good reliability, small volume, light weight, specious nice appearance, convenient installation, etc. This meter has already got the patent certificate from Chinese national Intellectual Property Office at present. Patent certificate NO. ZL 2006 3 0107349.1, any other country patent certificate are in assessing.

 -35mm standard DIN rail installation, complying with standard DIN EN50022. Or front 
   board setting (mounting holes center distance 63 mm), users can choose any one by 
   themselves. 
-DEM041AL watt hour meters-Ten pole width (Modulus 12.5mm), complying with standard JB/T7121-1993.
-DEM041AL watt hour meters-Have three tariffs, may select 12 daily period of times. You can set the date arbitrary which 
   can automatically read the meter every month. May select single tariff function in weekend. 
   (Please specified when ordering)
-DEM041AL watt hour meters-There is a clock and Maintenance-free backup lithium batteries in it. Battery capacity 
   detection and display all the time.It can keep the electricity data for 12 months. The data 
   can be kept forever after power cut off.
-DEM041AL watt hour meters-May select cycle display (default) or push the button itemized display, we can set the cycle 
   display, it can display 14 data at most. Can select the data which displayed. The decimal 
   median which displayed can choose set one or two.
-DEM041AL watt hour meters-There is a polarity port of pulse output passive closed and a no polarity port of pulse 
   output passive distant, the output rate is 10 or 100 imp/kWh (can select), Complying with 
   standard IEC 62053-31 and DIN 43864.
-DEM041AL watt hour meters-There are far infrared and a port of RS485 communication data. It is use for setting and 
   reading the meter. Set and operation have password protection, communication protelot 
   complying with standard DL/T645-1997.
-DEM041AL watt hour meters-Ten LED instructions respectively power state, signal of power impulse, the direction of 
   the trend of load current, the state rates just now and the data communications state.
-DEM041AL watt hour meters-Single direction three components measure three phase four wire active power 
   consumption. It is nothing with direction of the trend of load current. Complying with 
   standard IEC 62053-21.
-DEM041AL watt hour meters-Standard configuration type S connection (Inlet from bottom, outlet from top) for direct 
   connect to use, we can also choose another type of connection, and use CT (Product 
   Configuration code is AN) and PT & CT (Product Configuration code is AP) for operation.
-DEM041AL watt hour meters-Standard configuration extended terminals cover, may select short terminals cover, in 
   order to protect to use electricity safely. (Product Configuration code is AM).

-DEM041AL watt hour meters