Ac+dc voltage (true rms), Amperes (amp), Peak – Fluke Biomedical 190M User Manual

Page 125: Frequency (hz), Duty cycle (duty)

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Specifications

Automatic Scope Measurements

8

115

All accuracies are valid if:

The waveform amplitude is larger than one division

At least 1.5 waveform periods are on the screen

AC+DC Voltage (True RMS)

Maximum Voltage
with 10:1 probe ................................................... 1000 V
direct (1:1) ............................................................. 300 V

Maximum Resolution
with

10:1

probe

......................................................

1

mV

direct (1:1) ........................................................... 100 µV

Full-Scale Reading .................................... …1100 counts

Accuracy
DC to 60 Hz ..................................

±

(1.5 % + 10 counts)

60 Hz to 20 kHz ............................

±

(2.5 % + 15 counts)

20 kHz to 1 MHz ..............................

±

(5 % + 20 counts)

1 MHz to 25 MHz ...........................

±

(10 % + 20 counts)

At higher frequencies, the test tool’s frequency roll off
starts affecting accuracy.

Amperes (AMP)

With Optional Current Probe or Current Shunt

Ranges .............................. same as VDC, VAC, VAC+DC

Probe Sensitivity .................. 100 µV/A, 1 mV/A, 10 mV/A,

100 mV/A, 400 mV/A, 1 V/A, 10 V/A, and 100 V/A

Accuracy ........................... same as VDC, VAC, VAC+DC

(add current probe or current shunt accuracy)

Peak

Modes .................... Max peak, Min peak, or peak-to-peak

Maximum Voltage
with

10:1

probe

....................................................

1000

V

direct

(1:1)

..............................................................

300

V

Maximum Resolution
with 10:1 probe ..................................................... 10 mV
direct

(1:1)

...............................................................

1

mV

Full Scale Reading .......................................... 800 counts

Accuracy
Max peak or Min peak ................................

±

0.2 division

Peak-to-peak

..............................................

±

0.4 division

Frequency (Hz)

Range ...................................... 1.000 Hz to full bandwidth

Full Scale Reading .......................................... 999 counts

Accuracy
1 Hz to full bandwidth ......................

±

(0.5 % +2 counts)

(5 s/div to 10 ns/div and 10 periods on the screen).

Duty Cycle (DUTY)

Range ...................................................... 4.0 % to 98.0 %

Resolution .............................. 0.1 % (when period > 2 div)

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