Fluke 18B+ - Measure AC and DC Voltage

15B+/17B+/18B+
Calibration Manual
8
LED Test and Continuity Threshold
Function Illumination Range Measurement Range Resolution Accuracy
LED V
F
Test
[1]
(LED Test
Socket)
1.00 V to 6.00 V NA NA NA
LED V
F
Test
[2]
(Test Leads) 1.00 V to 6.00 V 1.00 V to 6.00 V 0.01 V 10 %
[3]
Continuity Threshold NA NA NA 70 Ω
[1] Open circuit test voltage is ±12 V and short-circuit current is <±5 mA (typical).
[2] Open circuit test voltage is ±12 V and short-circuit current is <±3 mA (typical).
[3] VF measurement with driving current under 2.2 mA ±0.4 mA.
Input Characteristics
Function
Overload
Protection
Input Impedance
(Nominal)
Common Mode
Rejection Ratio
Normal Mode
Rejection Ratio
AC Volts 1000 V
[1]
>10 MΩ, <100 pF
>60 dB at dc,
50 Hz or 60 Hz
_
AC Millivolts 400 mV >1 MΩ, <100 pF
>80 dB at dc,
50 Hz or 60 Hz
_
DC Volts 1000 V
[1]
>10 MΩ, <100 pF
>100 dB at dc,
50 Hz or 60 Hz
>60 dB at
50 Hz or 60 Hz
DC Millivolts 400 mV >1 MΩ, <100 pF
>80 dB at dc,
50 Hz or 60 Hz
_
[1] 10
6
V Hz Max