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Three phase rail type electric energy meter DTS236-7C
The three-phase rail type electric energy meter DTS236-7C series adopts advanced electric energy metering chips and is designed in combination with ma
Product details
Main specification and technical parameter
2.1 Specification of electric energy meter:
|
name |
grade |
rated voltageUb |
Rated current（A） |
|
Three-phase four-wire Electronic energy meter |
0.5level 1.0level |
3x57.5/100V 3x220/380V
|
3×1.5（6）A 36400imp/kWh 5×20（） 3A 160010imp/kWh40×（ 3）15A 80060imp/kWh× 3（20）80A 400imp/kWh 3×30（100）A 400 |
|
imp/kWh × |
0.5（ 1.0） |
A 400 imp/kWh |
3Three phase three wire1.5Electronic energy meter6levellevel 33x100V 53x380V20×（ 3）10A406400imp/kWh× 3（15）60A 1600imp/kWh 3×20（80）A 800 3imp/kWh30×100（） |
A 400imp/kWh×（）
A 400
imp/kWh
×
|
（ |
）A 400imp/kWh |
Note: In the rated current column, the values before parentheses are the calibrated current valuesIbThe value in parentheses is the rated * high current value |
||
|
Imax |
. |
0.52.2 Technical Parameters |
12.2.1 Error Limit: |
|
|
Basic error limit of electric energy meter with balanced load |
current |
1.0 |
Power factor（1.0 |
COS1.5 |
|
Φ） |
Percentage error limit（ |
% |
）1.3 |
DC connection1.5 |
|
Connected through a transformer |
level1.3 |
level1.5 |
||
|
0.05Ib |
0.02 Ib |
1.0 |
±0.5 |
±1.0 |
|
0.1 Ib |
0.05 Ib |
0.5L |
±0.8 |
±1.0 |
|
0.8C |
±0.8 |
±1.0 |
||
0.1 Ib~1max
|
0.05 Ib~1max |
±±0.2 Ib~1max |
0.1 Ib~1max0.5L± |
||
|
± |
0.8C |
0.5± |
1± |
|
|
Basic error limit of electric energy meter with single-phase load |
current |
1.0 |
Power factor（1.5 |
COS2.0 |
|
Φ） |
Percentage error limit（ |
% |
）1.5 |
Direct Access2.0 |
Connected through a transformer
levellevel0.1 Ib~1max0.05 Ib~1max±
|
± |
0.2 Ib~1max0.50.1 Ib~1max |
0.5L1± |
|
± |
2.2.2 Start up |
At rated voltage, rated frequency, and |
|
COS |
Φ |
=1 |
Under certain conditions, when the load current of the electric energy meter reaches the specified value in the table below, the electric energy meter can start and continuously measure the electrical energy.
Instrument Typeaccuracylevel
accuracy
levelDirect access type0.003Ib0.004 IbConnected via transformer0.002 Ib0.003 Ib102.2.3 SubmersionWhen there is no current in the current circuit of the energy meter and the voltage applied to the voltage circuit is at the rated value115%The test output of the electric energy meter should not generate more than one pulse.2.2.4 Insulation performance
The waveform that all lines of the electric energy meter can withstand between the outer shell is1.2//50
μsThe peak value is6KV
Pulse voltage, continuous tests at different polaritiesSecondly, there is no occurrence of arc discharge or breakdown. The frequency that all circuits of the electric energy meter can withstand between the case or the metal parts that can be touched outside the case is50Hz
The actual sine waveform AC voltage2KVThe test lasted for one minute without breakdown.102.2.5 Working voltage limit:
370%~130%Ub
2.2.6 Power consumption: ≤
2W
and
10VA2.2.7 Display: LCD
display
2.2.8 Data Storage
:
After power failure, data should be saved at leastYear.Installation and use3.1 Installation precautions and methodsWhen the electric energy meter is taken out of the original packaging box, if damage is found to the inner packaging or outer shell, do not install or power on the meter. Please contact our technical service department
3.1.2 Experienced electricians or professionals are required to install the energy meter and ensure that they have read this manual thoroughly.
3.1.3 The electric energy meter should be installed in a ventilated and dry indoor area, using35mmDINStandard rail installation.
3.1.4 When installing wiring, follow the wiring diagram on the energy meter housing or the corresponding wiring diagram in this manual. It is recommended to use multi strand copper wire to avoid abnormal operation or burning of the energy meter due to poor contact.
3.2 Instructions for use
3.2.1 When using an electric energy meter in areas with frequent lightning strikes, lightning protection measures should be taken to avoid damaging the meter due to lightning strikes.3.2.2 The load capacity of an electric energy meter iszero point zero fiveIb~1max
|
(Direct access type) or 0.02 Ib~1max Exceeding this load capacity between (connected through transformers) will result in inaccurate measurement of the energy meter or burning of the current coil due to heating. 123456.01 3.2.3 When an electric energy meter is used with a transformer, that is, an electric energy meter connected through a current transformer must multiply its electric energy reading by the transformer multiplier to obtain the actual electricity consumption. |
43.2.4 Pulse indication: When the pulse indicator light is on, it indicates the detection of a power pulse (when there is a sampling signal, the pulse indicator light will light up approximately)
80ms
）
3.2.5 Data Display Board Format
The LCD display types are as follows:
Total energy consumption display
0.00-
For example, in the following figure: The total electricity value is
5123456.01KWh
currentassemblequantity of electricityKW hOutline drawing and wiring diagram
64.1 Outline drawing
4.2 Wiring diagramThree phase four wire, direct type (voltage 3X220/380V, current ≥ 3X5 (20) A)* Number end, for the incoming line endThree phase four wire, current mutual inductance type (voltage 3X220/380V, current 3X1.5 (6) A)* Number terminal, which is the current input terminal
Three phase three wire, direct type (voltage 3X220/380V, current ≥ 3X5 (20) A)* Number end, for the incoming line endThree phase three wire, current, voltage mutual inductance type (voltage 3X100V, current 3X1.5 (6) A)* Number terminal, which is the current input terminalAttention; Three phase four wire and three-phase cannot be used interchangeably.Measurement method
The electric energy meter is equipped with a photoelectric coupling type electric energy pulse test output port, located on the terminal box, which connects the testing equipment
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