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 Ω .035% + 10 mΩ .035% + 10 mΩ .035% + 10 mΩ .07% + 50 mΩ .12% + 50 mΩ
2 kΩ .025% + 20 mΩ .025% + 20 mΩ .025% + 20 mΩ .06% + 150 mΩ .10% + 200 mΩ
16 kΩ .025% + 200 mΩ .025% + 200 mΩ .025% + 200 mΩ .06% + 1 Ω .1% + 2 Ω
131 kΩ .025% + 1Ω .025% + 1Ω .025% + 1Ω .06% + 8 Ω .1% + 16 Ω
1 MΩ .025% + 10 Ω .025% + 10 Ω .025% + 10 Ω .06% + 60 Ω .1% + 120 Ω
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 Ω .05% + 10 mΩ .05% + 10 mΩ .05% + 10 mΩ .085% + 50 mΩ .135% + 50 mΩ
2 kΩ .04% + 20 mΩ .04% + 20 mΩ .04% + 20 mΩ .075% + 150 mΩ .115% + 200 mΩ
16 kΩ .04% + 200 mΩ .04% + 200 mΩ .04% + 200 mΩ .075% + 1 Ω .115% + 2 Ω
131 kΩ .04% + 1Ω .04% + 1Ω .04% + 1Ω .075% + 8 Ω .115% + 16 Ω
1 MΩ .04% + 10 Ω .04% + 10 Ω .04% + 10 Ω .075% + 60 Ω .115% + 120 Ω
Temperature Coefficient
± (% of reading)/°C
Autozero Off Offset Error
(ohms)
Range
Temperature
Coeficient
10µs
Aperture
Range
Additional
Offset Error
256 Ω 0.004 0.014
256 Ω 40 mΩ
2 kΩ 0.002 0.01
2 kΩ 40 mΩ
16 kΩ 0.002 0.01
16 kΩ 300 mΩ
131 kΩ 0.002 0.01
131 kΩ 300 mΩ
1 MΩ 0.002 0.01
1 MΩ 3 Ω
Conditions: 0°C to (cal temp -5°C), (cal temp
+5°C) to 55°C
Conditions: Stable
environment, 24 hours, ± 1°C