User`s manual

Appendix A 1326B/E1411B Multimeter Specifications 191
Accuracy conditions for table below: Autozero on, one hour warmup. Within 1 year and ±5°C of
calibration termperature (module calibrated at 18°C to 28°C).
1-Year Accuracy vs. Aperture ± (% of reading + volts)
Range 267/320 ms 16.7/20 ms 2.5 ms 100 µs 10 µs
125 mV .033% + 5 µV .033% + 5 µV .033% + 10 µV .075% + 30 µV .125% + 60 µV
1V .023% + 10 µV .023% + 15 µV .023% + 15 µV .065% + 100 µV .110% + 200 µV
8 V .020% + 50 µV .020% + 50 µV .020% + 80 µV .065% + 750 µV .110% + 1.5 mV
64 V .025% + 1 mV .025% + 1 mV .025% + 1 mV .065% + 5 mV .110% + 20 mV
300 V .025% + 5 mV .025% + 5 mV .025% + 5 mV .065% + 30 mV .110% + 80 mV
Temperature Coefficient
± (% of reading)/°C
Autozero Off Offset Error
(volts)
Range
Temperature
Coeficient
10µs
Aperture Range
Additional
Offset Error
125 V 0.003 0.013 125 V 20 µV
1 V 0.001 0.01 1 V 20 µV
8 V 0.001 0.01 8 V 20 µV
64 V 0.001 0.01 64 V 1 mV
300 V 0.001 0.01 300 V 1 mV
Conditions: 0°C to (cal temp -5°C), (cal temp
+5°C) to 55°C
Conditions: Stable
environment, 24 hours, ± 1°C