SRM-362 High Accuracy Multifunction Standard Meter

 

Phase: 3

Accuracy: Class 0.05

AC voltage measurement: 0-660V

AC current measurement: 0-120A

With high accuracy and reliability, SRM-362 is used as standard reference meter to test electric meter, energy meter and all kinds of AC electric quantity. These make it widely applied in measurement center, power supply corporations, power stations, quality control departments, research institutions, universities, manufacturers of electric meters, etc.

 

 Main functions:

1. SRM-362 can be used as standard meter to test electric meter and energy meter, and also can measure all kinds of AC electric quantity;
2. Measure errors of single/three phase active and reactive energy meter, and standard deviation estimating value;
3. Measure Voltage, Current, Active power, Reactive power, Apparent power, Phase angle, Power factor, frequency and so on;
4. Measure distortion of Voltage and Current wave, 2nd ~127th harmonics and inter-harmonics content, and display harmonic bar graph and waveforms;
5. Measure power stability;
6. Real time display phasor diagram, easy to analyze wiring.

 

 Main features:

1. 8 inch color touch screen, interface friendly, easy to operate
2. Automatically switch to all Voltage and Current ranges, and no need to change wiring during measurement
3. High measuring resolution, Voltage and Current resolution superior to 2×10-5 , phase resolution 0.001°, frequency resolution 0.01Hz
4. Reactive power measurement includes 3P4W true reactive, 3P3W true reactive, 3 elements 90°artificial reactive, 2 elements 90°artificial reactive, 2 elements 60°artificial reactive etc. , which is suitable to test reactive power meter and reactive energy meter in various measuring principle
5. Equipped with RS232, Ethernet, and WiFi interface, SRM-362 can either support stand-alone operation, PC control or handy wireless terminal control
6. Automatically detect, diagnose and alarm for failure
7. Remotely updating online, easily achieve software updating
8. Output standard energy pulse, and the pulse constant can be set manually
9. Support local calibration at users’ side

 

Type:

SRM-362 contains 2 models with different accuracy below:

SRM-362C High Accuracy Multifunction Standard Meter, Class 0.05

SRM-362B High Accuracy Multifunction Standard Meter, Class 0.1

 

Technical Specification

AC Voltage Measurement

Range: 75mV, 750mV, 7.5V, 30V, 100V, 300V, 660V automatically switch

Stability: ≤100ppm/year

Measurement accuracy: 0.05%RG

AC Current Measurement

Range: 500μA, 2mA, 10mA, 50mA, 200mA, 500mA, 2A, 5A, 10A, 30A, 120A automatically switch

Stability: ≤100ppm/year

Measurement accuracy: 0.05%RG

Power Measurement

Active/reactive power measurement accuracy: 0.05%RG

Phase angle measurement

Measuring range: 0°~360°

Resolution: 0.001°

Measurement accuracy: 0.05°

Frequency measurement

Measuring range: 40Hz ~70Hz

Resolution: 0.001Hz

Accuracy: 0.002 Hz

Harmonic Voltage

Harmonic order: 2nd ~127th

Harmonic amplitude: 0~100%

Harmonic accuracy: when Uh≥1%Un, 5% Uh; when Uh<1%Un, 0.05% Un.

Harmonic Current

Harmonic order: 2nd ~127th

Harmonic amplitude: 0~100%

Harmonic accuracy: when Uh≥3%Un, 5% Uh; when Uh<3%Un, 0.15% Un

Energy error measurement:

Active energy basic error limit:

±0.05%RD (Voltage 15V~660V, Current 0.05A~120A, PF≥0.5)

±0.1%RD (Voltage 15V~660V, Current 0.02A~0.05A, PF=1)

Reactive energy basic error limit:

±0.1%RD (Voltage 15V~660V, Current 0.05A~120A, PF≥0.5)

±0.2%RD (Voltage 15V~660V, Current 0.02A~0.05A, PF=1)

Energy pulse

Energy pulse output:

Pulse constant setting range: (1~599999999) r/kWh (r/kvarh)

Max. output frequency: 10KHZ

Energy pulse input:

Pulse constant setting range: (1~599999999) r/kWh (r/kvarh)

Calibration pulse setting range: 1~999999

Max. input frequency: 10KHZ

Other parameters:

Power supply:                 90-265VAC/DC

Power frequency:            50Hz~60Hz

Power consumption:       100VA

Environment condition:    20℃~30℃，Humidity: RH≤85%

Storage environment:      -20℃~50℃

Size:                                400 (L)× 440(W)× 176mm(H)

Weight:                            15kg