Fluke 15B+ - Core Functions and Features; Auto Power and Backlight Off; Range Selection Modes

15B+/17B+/18B+
Calibration Manual
6
Accuracy Specifications
Accuracy is specified for 1 year after calibration, at operating temperatures of
18 °C to 28 °C, relative humidity at 0 % to 75 %. Accuracy specifications take the
form of: ±([% of Reading] + [Number of Least Significant Digits]).
AC and DC Voltage
Function Range Resolution
Accuracy
15B+ 17B+ 18B+
AC Volts (40 Hz – 500 Hz)
[1]

4.000 V
40.00 V
400.0 V
1000 V
0.001 V
0.01 V
0.1 V
1 V
1.0 % + 3 1.0 % + 3 1.0 % + 3
AC Millivolts

400.0 mV 0.1 mV 3.0 % + 3 3.0 % + 3 3.0 % + 3
DC Millivolts

400.0 mV 0.1 mV 1.0 % + 10 1.0 % + 10 1.0 % + 10
DC Volts

4.000 V
40.00 V
400.0 V
1000 V
0.001 V
0.01 V
0.1 V
1 V
0.5 % + 3 0.5 % + 3 0.5 % + 3
[1] All ac, Hz, and duty cycle are specified from 1 % to 100 % of range. Inputs below 1 % of range are not specified.
AC and DC Current
Function Resolution
Accuracy
15B+ 17B+ 18B+
AC Current μA
(40 Hz – 400 Hz)

0.1 μA
1 μA
1.5 % + 3 1.5 % + 3 1.5 % + 3
AC current mA
(40 Hz – 400 Hz)

0.01 mA
0.1 mA
1.5 % + 3 1.5 % + 3 1.5 % + 3
AC current A
[1]
(40 Hz – 400 Hz)

0.001 A
0.01 A
1.5 % + 3 1.5 % + 3 1.5 % + 3
DC current μA

0.1 μA
1 μA
1.5 % + 3 1.5 % + 3 1.5 % + 3
DC current mA

0.01 mA
0.1 mA
1.5 % + 3 1.5 % + 3 1.5 % + 3
DC current A
[1]

0.001 A
0.01 A
1.5 % + 3 1.5 % + 3 1.5 % + 3