.1 Description
DEM8900-1/DEM8900-2/DEM8900-3 (short form for DEM8900) is designed by adopting the updated microprocessor and digital signal processing technology, which can be applied for monitoring the electrical system. DEM8900 can measure and analyze the real time electrical parameters, such as I,kWh,kvarh., Meanwhile, DEM8900 has functions of multi-tariff,RS485 communication ( MODBUS protocol),analog output, remote input and electrical pulse output.
All our instruments fulfill all important requirements and regulations concerning electromagnetic compatibility and safety isolation (IEC61000, IEC1010 standard and EN61010 standard). The devices have been developed, manufactured, and tested in accordance with Quality Assurance System ISO 9001.
1.2 Measured parameters
Note 1. DEM8900-1 measure current, active energy, active power (optional, with analog output)
2. DEM8900-2 measure current, reactive energy, reactive power (optional, with analog output)
3. DEM8900-3 measure Current, active energy, reactive energy, active/reactive power (optional, with analog output)
1.3 EMC and Safety standard
IEC61000-4-2 (GB/T17626.2)
IEC61000-4-8 (GB/T17626.8)
IEC61000-4-4 (GB/T17626.4)
IEC61010-1 (GB/T4793.1).
Exterior Size:91*91*72mm
0.5KGS.
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Three Phase Energy Meter with following features - Dual Source - Prepaid Function with inbuilt relays - Whole Current - Load Curtailment - Modbus/RS485 Protocol Communication - 10-60 Amps Customization as per requirement also possible
Product description Three-phase electric energy meter calibrator is used for grid corporation of measurement and energy test center, management department of power supply bureau, national energy measurement of testing authorities, and also used to test each kind of single/three-phase kWh meter of industries and mining enterprises as well as electric meter manufacturers. Meanwhile, the calibrator also can be used as one high-precision standard power source. Technical index Electrical parameters Accuracy 0.05%, 0.1% Power Supply One Phase AC 180-265V, frequency 50/60Hz. AC Voltage Output Range(U1,U2,U3) 57.7V, 100V, 220V, 380V or 69.3V, 120V, 240V, 480V( optional) Adjustment range (0-120)%RG(1) Adjustment �neness 0.01%RG, 0.1%RG, 1%RG, 10%RG as optional. Electrical parameters - continued AC Voltage Output - continued Stability 0.01%/120s Distortion 0.3% (Non-capacitive load) Output load each phase 25VA Measuring accuracy 0.05%RG AC Current Output Range(I1,I2,I3) 200mA, 1A, 5A, 20A, 100A Adjustment range (0-120)%RG Adjustment �neness 0.01%RG, 0.1%RG, 1%RG, 10%RG as optional. Stability
DESCRIPTION Adopting large scale IC and SMT processes,the DTSD1088 DLMS meter is made to accurately total active/reactive energy,forward and reverse active/reative energy and maximum demand.And in real-time it also measures and takes in process parameters like active/reactive power,apparent power,Voltage,current,power factor,frequency and so on,and implements time-of-use control,automatic stroge of reading-day demand,and records load profile and events.And with infrared,RS485,PLC communications equipped,the DTSD1088 DLMS meter is an ideal device to realize time-of use energy measurement and efficient processing in ease.It complies with applicable standards of IEC62052-11,IEC62053-21,IEC62053-61,IEC62054-21,IEC62056-61,IEC62059-11,IEC62059-21. FEATURES 1. Energy measurement (separate and total):Forward and reverse,active,four-quadrant,time-of use,sub-phase. 2. Demand record 3. Real-time parameters 4. Data archive 5. Data freezing 6. Events record 7. Optional infrared,PLC,M-BUS,Ethernet,GPRS communication
DESCRIPTION DTSD1088 three phase multifunctional meter is made to accurately measures total active/reactive energy, forward and reverse active/reactive energy and maximum demand. And in real-time it also measures and takes in process parameters like active/reactive power, apparent power, voltage, current, power factor, frequency and so on, and implements time-of-use control, automatic storage of reading-day demand, and records of load profile and events. DTSD1088 meter realizes time of use energy measurement and efficient processing in ease. It complies with applicable standards of IEC62052-11, IEC62053-21, IEC62053-23, IEC62053-661, IEC62054-21, IEC62056-61, IEC62059-11 and IEC62059-21. FEATURES 1.Customized meter design for Finland Utility. 2.Special terminal block connection for easy wiring. 3.Terminal cover &front cover with detecting features. 4.With backup battery for RTC. 5.Load Profile(Optional) 6.MD measurement 7.Over-load protection: Automatic power-off as load exceeds the specified value(optional) 8.With optical communication port(IEC1107) 9.Open protocol: DLMS/COSEM(Optional)
DESCRIPTION DTSD1088 three phase multifunctional meter is made to accurately measures total active/reactive energy, forward and reverse active/reactive energy and maximum demand. And in real-time it also measures and takes in process parameters like active/reactive power, apparent power, voltage, current, power factor, frequency and so on, and implements time-of-use control, automatic storage of reading-day demand, and records of load profile and events. With infrared, RS485, PLC and GPRS communication equipped, DTSD1088 meter realizes time of use energy measurement and efficient processing in ease. It complies with applicable standards of IEC62052-11, IEC62053-21, IEC62053-23, IEC62053-661, IEC62054-21, IEC62056-61, IEC62059-11 and IEC62059-21. FEATURES 1.Functional LCD displays(menu driven, scrolling function, IR remote control mode) 2.Events record: Power-on/power-off (latest ten time), power quality monitoring(10 times), meter cover open(10 times recorded and can be read by MDM software). 3.Load curve recording: Active/reactive energy, voltage(3 phases), current(3 phases), power factor(3 phases) and time stamp(DD/MM/HH/YY) 4.External relay 5.Over-load protection: Automatic power-off as load exceeds the specified value(optional) 6.RTC, broadcast time synchronization via communication interface(could be set by GPS time via the MDM) 7.Optional multi-communication: PLC based on OFDM according to CENELEC standards(A-band), GPRS(SIMCOM-chip), RS485, integrated M-Bus(extended connection to gas and water meters) according to OMS standard. 8.Open Protocol: DLMS/COSEM 9.Advanced AMI integration (Optional)