2.2
Model 503 Control Features
1. Jaw assembly - Ø 1.18" (28mm)
2. Safety barrier – anti-slip guard
3. Lever for jaw opening/closing
4. Rotary range selector switch
5. LCD display with bargraph
6. COM (Black) input terminal jack
7. Positive (Red) input terminal jack
8. Data hold & ranging button (Blue)
9. DC zero button (Blue)
10. Battery compartment cover
Clamp-on Meter Models 501 and 503
7