Model No.︰SY3102
Brand Name︰SONGYANG
Country of Origin︰China
Unit Price︰
Minimum Order︰1 pc
General:
l Class 0.02% /0.05% for active and reactive energies, over the entire load range & independent of the measuring mode.
l There are three ports for pulses to output. And its constants can be set automatically or manually. Types of constants can be set also: active power, reactive power, apparent power, voltage, and current.
l Adjustment of electric energy error: it can adjust the estimate value of standard deviation and computation error of electric energy meters as well as calibration device for energy meter. Moreover, counts of pulse and constants of meters to be checked can be set automatically so as to work effectively. Especially for the multiconstant standard meter and the energy meter calibration device, it will be more convenient. By adopting the use of special compensation techniques, errorbeating would not be large because of the small load (the low frequency of the energy pulses). It can display the current error, the value of the standard deviation estimate and the average error.
l Multiple ports for communication: RS485, RS232, USB, and baud rate can be set when using asynchronous communication.
l The measuring range can be switched manually or automatically.
Key Function:
n It has ability to measure AC voltage, current, power (active power, reactive power, apparent power) and electric energy in fourquadrant with connection modes such as 1P2W and 3P4W (Y) / 3P3W (Δ). In addition, it can measure reactive power and electric energy with ways of true reactive, crossphase reactive power, artificial neutral point of reactive.
n Display RMS voltage, current of each input
n Display frequency & phase angle between voltage & current and defined reference
n Display power factor of each phase
n Display active power & reactive power of each phase
n Display total active, reactive & apparent power
n Display phase sequence
n Integration time can be set between 1 to 99
n Harmonic: analyze the harmonics of voltage and current up to 51st times
n Display of vector diagram.
n Waveform display, harmonic analysis, distortion calculation. Display of frequency spectrum, it can display the amplitude, contents and phase of the harmonic. Frequency spectrum can be enlarged
n Measurement of space magnetic induction intensity.
n Measurements of voltage drop of the device’s dotted terminal.
n Measurement of the constant and frequency of the meter to be adjusted.
n Measurement of power of fundamental wave.
n It can adjust errors of three different kinds of meters (active power, reactive power, apparent power, voltage, and current).
n It can check the comprehensive error of device composed of three singlephase meters.
n It can be used as three singlephase standard meters.
n With storage function, it can store 30 groups of data records which can be searched and browsed according to the condition
Specification:
l Signal range
Voltage: 1  560V (phase voltage)
Current: 1mA  120A (240A)
Frequency: 40  70Hz
Input pulse: max. 2MHz (TTL)
Output constant: with automatic constants, the frequency of the output pulse is 60 KHz when at rated range.
l Accuracy
n Voltage measurement (RMS):
Accuracy: 0.02% Rd (class0.02) 0.05% Rd (class0.05)
Measurement drift: 50ppm.
Measuring range: there are five ranges of 30V, 60V, 120V, 240V and 480V; it can be changed by automatic or manual.
n Current measurement: accuracy:

Class 0.02 
Class 0.05 

Accuracy 
50mA120A or 100mA to 200A 
0.02% Rd 
0.05% Rd 

1mA50mA 
0.04% Rg 
0.05% Rg 


Drift 
50mA120A or 100mA to 200A 
70ppm /year 
140ppm /year 

1mA50mA 
200ppm /year 
400ppm /year 
Measuring range: 12 ranges are 12.5mA, 25mA, 50mA, 100mA, 250mA, 500mA, 1A, 5A, 10A, 20A, 50A, and 100A; it can be shifted automatically.
n The measuring accuracy of the active/reactive power and the active/reactive electric energy: (Referred to the value read off with optimum range selection)

Class 0.02 
Class 0.05 

Accuracy 
50mA120A (or 100mA to 200A) at PF=0.5i, 0.8c and 1 
0.02% 
0.05% 
1mA50mA at PF=0.5i, 0.8c and 1 
0.04% 
0.10% 

Drift 
50mA120A or 100mA to 200A) 
100ppm /year 
200ppm /year 
1mA50mA 
200ppm year 
400ppm /year 
n The measuring accuracy of the appearance power and the appearance electric energy:
Class 0.02: 0.02% (50mA … 120A) 0.04% (2mA … 50mA)
Class 0.05: 0.05% (50m … 120A) 0.10% (2mA … 50mA)
(Referred to apparent power irrespective of measurement type)
Appearance power/energy measurement drift:
Class 0.02: 100ppm (50mA … 120A) 200ppm (2mA … 50mA)
Class 0.05: 200ppm (50mA … 120A) 400ppm (2mA … 50mA)
n Frequency measurement:
Measuring range: 40  70Hz;
Resolution: 0.0001Hz;
Accuracy: ±0.01Hz.
n Phase measurement:
Measuring range: 0  359.999° (0  ±180°);
Resolution: 0.001°;
Accuracy: ±0.01°.
n Measurement of the harmonic voltage:
2  10 orders: where harmonic content ≤30%, error is 0.1%;
11  21 orders: where harmonic content ≤30%, error is 0.2%;
22  51 orders: where harmonic content ≤30%, error is 0.5%.
n Measurement of the harmonic current:
2  51 orders: where harmonic content ≤50%, error is 0.1%.
l Input impedance
Voltage input impedance: ≧750KΩ
Current input impedance: 0.001Ω.
l Work environment
Normal temperature type: 15 – 30degree;
Temperature coefficient: U<5ppm/K, I<5ppm/K, P<7.5ppm/K;
Warmuptime: 30 minutes.
Wide temperature type: 100C  43ºC;
Temperature for testing: 23±1 ºC
Humidity: 45  80%R.H
Power supply: 240V/120V ±15% 50Hz/60Hz ±1%
Power consumption: ≤50VA.
l Volume: 355 × 185 × 145 mm.
Weight: 7.5 kilograms.
Functions and Features︰ The SY3102 three phase reference standard is one of the most versatile reference instruments ever. The SY3102 has a typical accuracy of ±0.02% @ PF=1 for all measurement functions across its entire operating range, with a maximum worst case accuracy of ±0.04%. This worst case accuracy specification includes the variables of stability, power factor, traceability uncertainty and test system errors.