Clamp ammeter specs
On an inexpensive clamp ammeter, the DC current spec tolerance is 3.0% +6. What does the +6 mean?
Forum Discussion
Error is normally based on the range selected
3% + - 6
On a 100.0 range setting
% = 97.0 to 103.0
at one hundred amps reading, 100.0 on the dial
plus minus six digits 97.0 minus 6 = 96.4
to plus 103.6
Now, do you see why I squawk about my 5 digit voltmeters? 1.5% error = - 3 digits.
The cheapo Bang Good clamp on ammeter I have reads up to 40.00 on low scale and it is FAR more accurate than the hurricane destroyed Triplett that cost three times as much.
One amp resolution is fine for me at 500 amperes.
3% + - 6
On a 100.0 range setting
% = 97.0 to 103.0
at one hundred amps reading, 100.0 on the dial
plus minus six digits 97.0 minus 6 = 96.4
to plus 103.6
Now, do you see why I squawk about my 5 digit voltmeters? 1.5% error = - 3 digits.
The cheapo Bang Good clamp on ammeter I have reads up to 40.00 on low scale and it is FAR more accurate than the hurricane destroyed Triplett that cost three times as much.
One amp resolution is fine for me at 500 amperes.
