Thank you so much for your help to explain.
But I'm afraid we sometimes mixed up "
residual" and "
offset of the range".
For the traditional resistance box, the function of residual is used for describing the accuracy in the format like
"±(n% + residual)" - "n%" is for base resistors while “residual” is for internal wires, switches and terminals.As for the output range,
it's ture for traditional resistance box that in general "residual" equals to "offset of the range".
While for QR10 and OS-260, we don't need "residual" to participate in the description of the accuracy,
since we just treat base resistors, internal wires, switches and terminals "equally". So we just say the accuracy is "
±n%".
As for the output range, for example, say QR10 is
1 Ω-1.2 MΩ. You might still insist
1 Ω is the residual, but I would say
1 Ω is just the
offset of the range. Since if this
1 Ω is residual, then the description of QR10 accuracy should be ±(n% +
1 Ω) -
however, accuracy description like this is incorrect for QR10.How's that for a solution ?
- your are not hiding anything
- what i request is what i get at the terminals
- if the residual drifts it can be calibrated away.
- no user calculations needed.
Cannot agree more. Honestly, I NEVER though this could be an "event".
To say the least, for QR10,
will there be any loss of advantage if we just delete that row on the comparison table?