The main functions and features :
Meter circuit design and selection of the components are according as the tolerance of greater choice of environment, so we can guarantee long-term stability of a piece of work. Basically error will not affected by the frequency, temperature, high harmonics, and the installation of location is arbitrary. After sealing unit manufactured without adjustment, greatly reduced the power sectorf+s workload of testing and calibration, meter - button box with pulse interface light coupler facilitate error testing. Detection the constant of pulse output / kw.H to find weather it is the same as constant table marked on nameplate meter, meter also provides low-frequency pulse acquisition (opts). When the one phase of three-phase three-line network is broken, three-phase four-wire network with a two-phase power outages, the watt-hour meter still normal, and display the lost pressure. Power meter in the factory before carefully debugging and test the installation of qualified lead seals. Energy applies to an ambient temperature of -25 fp c to 70 fp c and relative humidity over 85% of the region.
Main technical parameters
Reference voltage 220/380v 3 *
Voltage reference 0.7 u un .2 b -1.
Current specifications 3 * 5 (20) a.
Reference frequency 50hz.
Grading accuracy 2.0
Starting current 0.4% ib.
Voltage power lines "0.8w
Communication transmission distance 5m.
Environmental conditions -25fï+70elative humidity -_85%
Automatic relay depth Data transmission speed
Center frequency Dimensions.
Current specifications 10-40a
Reference frequency 50hz.
Grading accuracy 2.0
Starting current 0.4% ib.
Voltage power lines "2w
Communication transmission distance 5m.
Environmental conditions -10f¦f+50f¦relative humidity
Automatic relay depth
Data transmission speed
Center frequency
Dimensions 166 * 123 * 74.
The main functions and features :
1. Energy measurement ways: total single-phase power meritorious =positive meritorious + reverse meritorious.
2. Right through infrared interface programming meter settings and copied sheet data to support meter reading with shrinking table, table factory default is bar code numbers.
3. After the blackout enter low-power work, in the blackout shows that the current state of total consumption, continuous 24-hour blackout revealed about the closure.
4. Meter procedural device to prevent the failure caused flight function, and after the failure to stop measurement.
Main technical parameters
Reference voltage 220v
Voltage reference 0.7 u un .2 b -1
Current specifications 10-40a
Reference frequency 50hz
Grading accuracy ++ level Starting current 0.4% ib
Voltage power lines "2w
Communication transmission distance 5 meters
Environmental conditions -25fªf+55fª Relative humidity 25f+95+¦
Automatic relay depth Data transmission speed
Center frequency Dimensions 150 * 122 * 56.5
Offer!!! we have immediate stock for 200, 000 units and final price offer based on quantity required. Details specification will be provided upon request.
Specifications:
Model Number: DD28
Accuracy: Class 2.0
Rated Voltage: 220 Volt
Rated Current: 10(30-40)Amp
Starting Current: 0.5%Ib
Rated Frequency: 50 Hz
Constant: 600 rev/kWH
Power Loss( Under no current): 2W
Meter Base: Black Clock Steel
Meter Main Cover: Non Transparent( Black Cover)
Meter Terminal: Short or Extended
Meter Terminal Material: Copper
Voltage Coil Material: Copper
Current Coil Material: Copper
Wire Protection: The Voltage and current coil connecting wire must be insulated with a cover on it
Magnet: Big Size Magnet suitable for 30 A to balance the rotation of the wheel.
Size and Dia. of Voltage and Current Coil: As per IEC design to bear 30 Amp continuous current
Meter Terminal Size: As per IEC norms with continuous current bearing capacity of 30 Ampere
Meter Register: 5 Digits ( 4 Integer , 1 Decimal)
Meter Bearing: Jewell
Quality: Excellent
Serial Number: Each DD 28 must have serial number on its name plate
Design Standard: GB/T15283-2008 & IEC 521
