Pfaff expression 2044 - 48. Measures required in case of inadmissible test readings

106
IV Stray current: Milliampere = mA
● Sewing machine plug remains in tester socket.
● Use clamp to attach test lead of testing appliance M 5013 to presser bar.
● Set knob for measuring range at "20 mA" (fig. 118).
● Meter reading: maximum 0.50 mA.