1. General Introduction
TM2 for a high voltage (6KV/10KV) acquisition metering is modularly designed with special dual-isolated and dual-insulated chamber internally, in which an amorphous current transformer with wide range of detection and high precision and good linearity is used. The external design is based on the outdoor standard, it is suitable for severe outdoor environment for resistance of low and high temperature, acid and salt and rapid maintenance is guaranteed.
2. Main Functions
★Detection of Electric Energy: it can be used for detecting the time-sharing forward and backward active electricity and reactive electricity, power factor, instantaneous electricity (current, voltage, power etc), time-sharing metering the four-quadrant reactive electric energy.
★Data Storage Function: it is used for data recording with time mark (month, date, hour, minute) , total storage space not less than 2M byte. Data are always kept after electricity is shut off.
★Wireless voltmeter checking: The metering unit is internally arranged with RS485, RS232, Bluetooth, GPRS/CDMA communication module; it can meet the demands of wireless voltmeter checking in different distance.
★Indication of Rate of Charges: LED is used in the voltmeter for timing display of rate of the charges rate at present and accumulated electricity.
★For Local and Remote Maintenance: The metering unit can be used for local and remote maintenance, can be used for inquiring practical parameters and real-time data, setting the parameters and on-line programming.
★Monitoring Function: Load Monitoring: When the load is more than a given value, audio and shining alarming and electrical relay output can be set. The events of demands of recent ten times are recorded, such as zero clearing, program, phase failure, excessive voltage, voltage loss, current loss, reverse phase sequence, overload, current imbalance, time calibration, power-failure and power up.
★Interference-resisting Function: Excess DL614-97 and related IEEE standard.
3. Technical Parameters
Data Accuracy: active power 0.2 order /0.5 order, reactive power one order /two order (Optional ).
Measuring range of wide current: 0.01~200A.
Range of Operating Voltage: Ue ± 30%.
Range of Operating Frequency: 50HZ ± 10%.
Rated Voltage: 6-10KV.
Power Consumption: less than 10W.
Operating Environment: Operating temperature:-30℃~+80℃;
Humidity : < 85% (20℃±5℃.)
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