User`s manual

Appendix A 1326B/E1411B Multimeter Specifications 193
Accuracy condition for table below: Autozero on, one-hour warmup. Within 90 days and ±5°C of
calibration temperature (module calibrated at 18°C to 28°C).
90-Day Accuracy vs. Aperture ± (% of reading + ohms)
Range 267/320 ms 16.7/20 ms 2.5 ms 100 µs 10 µs
256 .035% + 10 m .035% + 10 m .035% + 10 m .07% + 50 m .12% + 50 m
2 k .025% + 20 m .025% + 20 m .025% + 20 m .06% + 150 m .10% + 200 m
16 k .025% + 200 m .025% + 200 m .025% + 200 m .06% + 1 .1% + 2
131 k .025% + 1 .025% + 1 .025% + 1 .06% + 8 .1% + 16
1 M .025% + 10 .025% + 10 .025% + 10 .06% + 60 .1% + 120
Accuracy conditions for table below: Autozero on, one-hour warmup. Within 1 year and ±5°C of
calibration temperature (module calibrated at 18°C to 28°C).
1-Year Accuracy vs. Aperture ± (% of reading + ohms)
Range 267/320 ms 16.7/20 ms 2.5 ms 100 µs 10 µs
256 .05% + 10 m .05% + 10 m .05% + 10 m .085% + 50 m .135% + 50 m
2 k .04% + 20 m .04% + 20 m .04% + 20 m .075% + 150 m .115% + 200 m
16 k .04% + 200 m .04% + 200 m .04% + 200 m .075% + 1 .115% + 2
131 k .04% + 1 .04% + 1 .04% + 1 .075% + 8 .115% + 16
1 M .04% + 10 .04% + 10 .04% + 10 .075% + 60 .115% + 120
Temperature Coefficient
± (% of reading)/°C
Autozero Off Offset Error
(ohms)
Range
Temperature
Coeficient
10µs
Aperture
Range
Additional
Offset Error
256 0.004 0.014
256 40 m
2 k 0.002 0.01
2 k 40 m
16 k 0.002 0.01
16 k 300 m
131 k 0.002 0.01
131 k 300 m
1 M 0.002 0.01
1 M 3
Conditions: 0°C to (cal temp -5°C), (cal temp
+5°C) to 55°C
Conditions: Stable
environment, 24 hours, ± 1°C