1. Page 1 March 2007 CheckSource 2.3 Portable Power Phantom Load

2. Page 2 March 2007  1 mA... 6 A / 8 VA / Phase  Phase shifter -180°... +180°  Stability better than 0.03 % (30 min) 0.1 % (1 h)  Single phase supply  50 VA (typical)  65 VA (maximum) Options:  CALSOFT Software Advantages / Benefits

3. Page 3 March 2007 Connections [1] Current outputs I1, I2, I3 [5]Voltage Connection N (internal connected) [2]Current inputs I1*, I2*, I3* [6]Supply from measuring voltage [3]Fuses for current connection[7]Supply mains socket [4]Voltage Connection U1, U2, U3

4. Page 4 March 2007 Connections [8] Fuse for supply voltage[12]Cursor keys [9]RS232 serial line interface [13]Enter key [10]LCD display [14]Alphanumeric keypad [11]Menu card keys

5. Page 5 March 2007 Connections Supply voltage connection Supply from mains socket Supply from measuring voltage in 4-wire network Supply from measuring voltage in 3-wire network 88 min … 264 max VAC, 45 … 65 Hz U(R-N) = U(U1-N): 88 min … 264 max VAC U(R-T) = U(U1-U3): 88 min … 264 max VAC

6. Page 6 March 2007 Operation Concept SymbolsDisplayControl Keys 

7. Page 7 March 2007 Operation of the Source 1 2

8. Page 8 March 2007 Operation of the Source Load Point Activation ON / OFF Current Source  Load Point Definition  Definition of reference  values Imax, In Load / save load point  Back to Menu Source 

9. Page 9 March 2007 Operation of the Source Switch ON / OFF Current Source

10. Page 10 March 2007 Operation of the Source Load Point Definition

11. Page 11 March 2007 Operation of the Source Definition of reference values Imax, In

12. Page 12 March 2007 Operation of the Source Load / save load point

13. Page 13 March 2007 Installation of the Instrument 1 2

14. Page 14 March 2007 Installation of the Instrument Basic settings of the instrument Display contrast  Input of clock time  Input of date  RS232 baud rate  Back to Menu Installation 

15. Page 15 March 2007 Connection Examples 3-phase 4-wire network

16. Page 16 March 2007 Connection Examples 3-phase 3-wire network

17. Page 17 March 2007 Connection Examples 1-phase 2-wire network

18. Page 18 March 2007 Connection Examples 3-phase 4-wire Instrument transformer installation

19. Page 19 March 2007 Connection Examples 3-phase 3-wire Instrument transformer installation