• Modular design, strong anti-interference ability, it is used for interference test of static electricity, EMC and so on.
• 8 inch color touch screen, interface friendly, easy to operate
• Equipped with RS232, Ethernet, and WiFi interface, SPS-31 can either support stand-alone operation, PC control or handy wireless terminal control
• Self-protection, alarm and display overload location for equipment output overload, Voltage short-circuit, Current open-circuit
• Communicate with tested meter thru RS-232/485
• Customize Auto-calibration and inspection system of meters
• Automatically detect, diagnose and alarm the failure
• Remotely updating online, easily achieve software update
• Support local calibration by users

DC Voltage output
Range (4 wires): 100mV, 300 mV, 1V, 5 V, 20V
Range (2 wires): 100V, 300V, 1000V
Adjustment Range: (0~120) %RG; 1000V: (0~110) %RG
Adjust resolution: 0.01%RG, 0.1%RG, 1%RG, and 10% RG for option
Stability: 0.005%/2min
Ripple amplitude: ≤1%
Output load: 30V and upper gears: ≥10mA; 7.5V and below gears: ≥25mA
Measurement accuracy: 0.05%RG

DC Current Output
Range: 1mA, 3mA, 10mA, 30mA, 100mA, 300mA, 1A, 5A, 10A, 15A, 25A
Adjustment Range: (0~120) %RG
Adjust resolution: 0.01%RG, 0.1%RG, 1%RG, 10% RG
Stability: 0.005%/1min
Ripple resolution: ≤1%RG
Output load:  25A: 25VA, other ranges: ≥2V; 200mA and below ranges: ≥15V
Measurement accuracy: 0.05%RG

DC energy
DC energy basic error limit: 0.05%RD

DC Voltage measurement
Range: 75mV, 100 mV, 300mV, 1V, 3V, 10V, 30V, 100V, 300V, 100V, automatically switch ranges
Stability: 0.005%/1min (Class 0.05), 0.01%/1min (Class 0.1)
Basic error limit: 0.02%RG
Ripple measuring error: ±(5%RD + 0.1%), RD refer to ripple measured value
Resolution: 0.001%RG

DC Current measurement
Range: 2mA, 20mA, 200mA; 1A, 5A, 10A, 30A, automatically switch ranges
Stability: ≤100ppm/year
Basic error limit: 0.02%RG (2mA~1A), others: 0.1%RG
Ripple measuring error: ±(5%RD + 0.1%), RD refer to ripple measured value
Resolution: 0.001%RG

Other parameters:
     Power supply:               90-265VAC/DC
     Power frequency:          50Hz~60Hz
     Power consumption:     50VA
     Environment condition: 20℃~30℃, Humidity: RH≤85%
     Storage environment:   -20℃~50℃
     Size:                              600mm（L）× 440mm（W）× 176mm（H）
     Weight:                         15kg