Product Description of Electrical testing and measurement device GF312B2 portable three phase standard meter, with English version display, CE, ISO9001: 2008, IEC approved

GF312B2 portable three phase standard meter is high accuracy 0.02%. Specially suit for electric power departments, measuring and quality examining departments and electric lab.
Features
High accuracy up to 0.02%
Metal structure, strong and reliable
Waveform display function
Vector diagram function
Energy accumulating function
Suit for testing in the field
Specifications
Test Voltage
Range30V 560V
Error± 0.02% (30V 560V)
± 0.05% (5V 30V)
Harmonic2ND -- 51st
Test Current
Range (direct connection)20mA 120A
Error (direct connection)± 0.02% (100mA 120A)
± 0.05% (20mA 100mA)
Harmonic2ND -- 51st
Power measure error
Active power (direct connection)± 0.02% (0.1A 120A)
± 0.05% (0.02A 0.1A)
Reactive power (direct connection)± 0.05% (0.1A 120A)
Energy measure error
Active energy (direct connection)± 0.02% (0.1A 120A)
± 0.05% (0.02A 0.1A)
Reactive energy (direct connection)± 0.05% (0.1A 120A)
Phase angle
Range0º ~360º
Error± 0.02º
Frequency
Range45Hz 65Hz
Pulse output
Energy constant1~250000
Pulse ratio1: 1
Output level5V
Pulse input
Input channel1
Input level5 24V
Input frequency Max. 2MHz
Display
Resolution 7"STN (800× 480)
Function
Vector diagram Yes
Waveform Yes
Energy accumulationYes
Communication portRS232, USB
Communication with PCYes
Other
Voltage Supply wayExternal power
Voltage Supply45~450V, 50/60Hz ± 2Hz
Power consumption13VA
Ambient temperature-10° C -- 40° C
Relative humidity30% -- 80%
Dimensions (W× H× D) (mm)365× 269× 151
Weight (kg)4kg