Pfaff hobbylock 783 - Electrical Safety Test with Metratester

22 Electrical safety test with Xetratester III
I Mains voltage test: volts (V)
* For all following tests insert plug of Metratester in mains
socket.
* The left lamp for the mains voltage must light up continuously
(Fig. 68).
* Press right grey button. The right indicator lamp for the neutral
wire must light up.
* Touch left metal button for finger contact: the right lamp for
the neutral wire. must not light up.
* Insert sewing machine plug in left socket of Metratester.
* Set switch at 2S0V (scale I).
* Run machine
* Reading: 220V + 10%
or: 110V + 10%
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II Appliance current: amperes (A)
Leave sewing machine plug in left socket (Fig.69).
Set switch at SA.
Run machine.
Reading: 220V + 10%
or: 110V + 10%
III Insulation resistance test: ohms (Q)
Insert sewing machine plug in right socket (Fig. 70).
Set switch at MQ (Scale II).
Reading: S MQ min.
IV Leakage current: amperes (A)
Leave sewing machine plug in right socket (Fig. 71).
Set switch at rnA (scale III).
Reading: O.S rnA max.
Etsy seller: PFANTOM