Gold Member Since 2015
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Beijing Tengcontrol Technology Co., Ltd.

Modbus Network Power Meter, Power Meter, 3 Phases AC/DC Multifunctional Meter with RS485 manufacturer / supplier in China, offering Tengcon Modbus Network Power Meter (NPM-502), Tengcon T-9011 Rtd Input PLC Controller, Tengcon T-960 PLC Controller with 3phases Electrical Measurement and Protection and so on.

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Supplier Homepage Product Power Monitoring RTU Tengcon Modbus Network Power Meter (NPM-502)

Tengcon Modbus Network Power Meter (NPM-502)

Purchase Qty.:
(Pieces)
1-20 21-50 51+
FOB Unit Price: US $118 US $110 US $105
Purchase Qty. (Pieces) FOB Unit Price
1-20 US $118
21-50 US $110
51+ US $105
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Transport Package: Cartons Packed, Inner Box, Outer Export Carton
Payment Terms: T/T, Paypal, Western Union

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Basic Info
  • Model NO.: NPM-502
  • Electric Equipment: Three-phase Three-wire
  • Certification: RoHS, ISO, CE
  • Brand Name: Tengcon
  • Measuring Voltage Range: 0-400V
  • Dimensions: 96*96*110 Mm
  • Input Power Supply: AC 85-265V or DC 9-36V
  • Protocol: Modbus ,2 RS485
  • Origin: Beijing China
  • Usage: Multi-Functional Energy Meter, Watt-Hour Meter, Meter for Industry and Home Use, Standard Electric Energy Meter, Prepayment Meter, Reactive Energy Meter, Multi-rate Watt-hour Meters, Maximum Demand Meter
  • Type: Power Meter
  • Customized: Customized
  • Measuring Current Range: 0-5A
  • Operating Temperature: -25~55 (Centigrade Degree)
  • Mount: Standard Rail or Bolts
  • Warranty: 3 Years
  • Trademark: TENGCON
Product Description

Products Introduction of Network Power Meter:
 
NPM502 Network power meter(hereinafter referred to as NPM502 instrument)which is specially developed General data acquisition module with a very high performance and stability for our users to Water supply automation control, the urban water treatment automatic control, thermal network pipeline automation control, the oil transfer station, hot water boiler, industrial steam boiler monitoring, water Wells, pumping station remote control.
 
NPM502 instrument can Indicate a field parameters to be Used as a separate module ,and also can extend as RS485 communication port.When more than 32 sets NPM502 instrument need to be used,one SCM communication management module need to be added, and collect the data ,then send to upper machine .SCM Communication management module support MODBUS and other standard protocols,and can be ordered by user's requirements.
 

 Specification :

Three Lines LED indicate accurately 3 phase voltage,3 phase current,active power,reactive power,frequency, 
power factor,harmonic,3 phase electrical degrees,the inverter output and etc.

2 RS485, MODBUS RTU protocol, Scalable

FFT arithmetic, 1-15 harmonic calculation 

Surface Mounting Technology, No external bus, high Electromagnetic Compatible(EMC)

Standard surface mounting,Outline Dimension:96 x 96 x 110(mm)hole size:92 x 92(mm)

Parameters:

Analog input

Measuring method:

Three - meter method, Angle or star connection

Capacity: 

one line

Measuring object:

Three phase voltage and line voltage, three phase current

Input Voltage :

0-400V(0-100V customizable) allow overload 50% for a long time,
Ensure 150% linear range

Input Current:

0-5A  allow overload 120% for a long time,twice over current
at a moment,Ensure 200% linear range   

Sampling Speed:

Sampling 32 points per cyclic wave

Calculated Quantities:

UA,UB,UC(Or UAB,UAC,UBC),IA,IB,IC,PA,PB,PC,QA,QB,QC,P,Q,F,
COS,3I0;

Data refresh rate:

40MS

The measuring ac frequency:

20~65HZ  ,Ensure precision during 45~55HZ,Within the scope of
 other frequency error maybe have difference

Frequency measurement precision

±0.01HZ± 1 digit

Precision: 

0.5% FS ± 2 digit  (not including harmonic,3I0,The negative sequence 
current)

 
 

Display Range

Three phase voltage: < 24000V

Three Phase Current: < 12000A

Three-phase active power:  < 300000KW (The absolute value)

Three-phase reactive power:  < 300000KVar (The absolute value)

The power factor:  The actual value

Frequency:   Actual frequency, accurate to 0.01 Hz, range:35 - 65 Hz

The total active:  < 900000KW (The absolute value)

Total reactive: < 900000KVar (The absolute value)

The electricity: < 5000000000 KWh (when reach ,starting from 0 to count again)

 
 

  Communication

Capacity:      2 port

Interface method: RS485, or RS232 (Optional)

Protocol :     MODBUS

 
 

Operation Condition

Mounting:

Standard surface mounting

Operation Temperature : 

-25ºC~55ºC

Storage Temperature:

-40ºC~70ºC

Operating humidity:

<85% RH(20±5ºC)

Atmospheric:

86~108Kpa

Size:

96×96×110mm

Power Supply:

AC 85~265V 50HZ~60HZ or DC 24V ± 30 %

Power Consumption:

< 5W 

Working environment:

No explosions, no corrosive gas and conductive dust, no serious mold exists, 
no violent  vibration and impact sourceIf you need to work in such environment,
 please take the corresponding protective measures

 Rely on the hardware, software and network technique, Tengcon Technology devoted to manufacture industrial automation core products and systems with more than 30%of employee are focus in Research & Development. Tengcon has deep and wide experience in various signal acquisition, especially on electric signal acquisition, and also, familiars with all main protocol like MODBUS, IEC8705, PROFIBUS DP, CAN, PROFINET etc., and knows the ropes of IEC61131 and technology of Programmable Logic Controller development as well as IEEE1588 and Clock Synchronization Technology in Ethernet, we are also robust on antiinterference and lightning protection technology to ensure the reliability of every product delivered to customer.

Tengcon Technology proposed a new advanced concept of Complete Distributed Network Control System, in that the control system is constructed via absolutely new theory. It can be applied to construct the SCADA (Supervisory Control and Data Acquisition), PLC (Programmable Logic Controller) and DCS (Distributed Control System). Typical product were developed based on these is T9 series which were launched in market already. More than 100 thousands of product have been delivered to customers and got widely and good customer acceptance in past years. 

All these products are being used in various industries in 18 counties. They showed strong reliability in different systems and wide environment include High Speed Rail, oil and gas field, power monitor and control system, kind of automatic production line, Building Management System,city lighting control system, vehicle monitoring, agricultural farms etc. we are keeping to develop and provide first class of product to all the customer in worldwide.
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