Page 1 of 3, Document #2139
87/89 Series IV Extended Specifications
©1999 Fluke Corporation
Rev. B-4/99
Fluke 87/89 Series IV
True-rms Digital Multimeter
Extended Specifications
Nominal Specifications
Function |
Ranges/Description |
DC Voltage |
0 to 1000V |
DC Current |
0 to 10A (20A for 30 seconds) |
AC Voltage, True-rms |
15 mV to 1000V - 100 kHz bandwidth |
AC Current, True-rms |
25 μA to 10A (20A for 30 seconds) |
Resistance |
0 to 30 Mohms |
Conductance |
0 to 50 Nanosiemens |
Capacitance |
0.01 nF to 50 mF |
Diode Test |
3.1V |
Temperature |
-200°C to 1350°C (-328°F to 2462°F) |
Frequency |
0.5 Hz to 1000 kHz |
Accuracy (Basic DC V) |
0.025% |
(Basic AC V) |
0.4% |
Detailed Specifications
Accuracy is specified for a period of one year after calibration, at 18°C to 28°C (64°F to 82°F) with relative humidity to 90%. Accuracy specifications are given as ± ([% of reading] + [number of least significant digits])
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Accuracy |
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45 Hz- |
20 Hz- |
1 kHz- |
10 kHz- |
20 kHz- |
Function |
Range |
Resolution |
1 kHz |
45 Hz |
10 kHz |
20 kHz |
100 kHz |
AC mV 1,2 |
500.00 mV |
0.01 mV |
0.4% + 40 |
2% + 80 |
5% + 40 |
5% + 40 |
6% + 40 |
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3000.0 mV |
0.1 mV |
0.4% + 40 |
2% + 80 |
0.4% + 40 |
1.5% + 40 |
6% + 40 |
AC V 1,2 |
5.0000V |
0.0001V |
0.4% + 40 |
2% + 80 |
0.4% + 40 |
1.5% + 40 |
6% + 40 |
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50.000V |
0.001V |
0.4% + 40 |
2% + 80 |
0.4% + 40 |
1.5% + 40 |
6% + 40 |
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500.00V |
0.01V |
0.4% + 40 |
2% + 80 |
0.4% + 40 |
Not specified |
Not specified |
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1000.0V |
0.1V |
0.4% + 40 |
2% + 80 |
0.4% + 40 |
Not specified |
Not specified |
dBV |
-56 to -6 |
0.01 dB |
0.1 dB |
0.2 dB |
0.5 dB |
0.5 dB |
0.5 dB |
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-6 to +34 |
0.01 dB |
0.1 dB |
0.2 dB |
0.1 dB |
0.2 dB |
0.5 dB |
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+34 to +60 |
0.01 dB |
0.1 dB |
0.2 dB |
0.1 dB |
Not specified |
Not specified |
Features
Feature |
Description |
Dual Displays |
50,000 count primary display |
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5,000 count secondary display |
Backlight with 2 |
Bright white backlight for clear readings |
brightness selections |
in poorly lighted areas |
Fast Autorange |
Meter automatically selects best range - |
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instantly |
AC+DC True RMS, ac |
Choices for AC only, AC and DC dual |
rms specified to 100 kHz |
display, or AC+DC readings |
dBm, dBV |
User selectable impedance references |
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for dBm |
AutoHOLD |
Uses Touch Hold® feature to capture readings |
Continuity/Open Test |
Beeper sounds for Ohms readings below |
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threshold or for momentary |
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open circuit indication |
Fast Bar Graph |
51 Segments for peaking and nulling |
Duty Cycle/Pulse Width |
Measure time a signal is on or off in % |
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or milliseconds |
MIN MAX/Fast MIN MAX |
Record Maximum, Minimum, and Average |
with elapsed and |
values. Real Time for MAX or MIN, elapsed |
Real Time Stamp |
time for AVG. |
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Fast MIN MAX captures peaks to 250 μsec. |
Closed Case Calibration |
No internal adjustments needed |
Battery/Fuse |
Battery or fuse replacement without |
Access Door |
voiding calibration |
Hi-Impact Overmold Case |
Integrated Protective Holster provides |
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superior impact protection for your meter |
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Accuracy |
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45 Hz- |
20 Hz- |
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1 kHz- |
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20 kHz- |
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Function |
Range |
Resolution |
1 kHz |
45 Hz |
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20 kHz |
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100 kHz |
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AC μA |
500.00 μA |
0.01 μA |
0.75% + 20 |
1% + 20 |
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0.75% + 20 |
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6% + 4 |
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5.000 μA |
0.1 μA |
0.75% + 5 |
1% + 5 |
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0.75% + 10 |
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2% + 40 |
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AC mA |
50.000 mA |
0.001 mA |
0.75% + 20 |
1% + 20 |
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0.75% + 20 |
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9% + 40 |
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400.00 mA3 |
0.01 mA |
0.75% + 5 |
1% + 5 |
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1.5% + 10 |
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4% + 4 |
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AC A |
5.0000A |
0.0001A |
1.5% + 20 |
1.5% + 20 |
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6% + 40 |
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Not specified |
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10.000A4 |
0.001A |
1.5% + 5 |
1.5% + 5 |
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5% + 10 |
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Not specified |
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Accuracy |
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Accuracy Dual Display AC or AC+DC8 |
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20 Hz- |
45 Hz- |
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1kHz- |
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Function |
Range |
Resolution |
DC |
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45 Hz |
1 kHz |
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20 kHz |
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DC mV |
500.00 mV |
0.01 mV |
0.03% + 26 |
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2% |
+ 80 |
0.6% + 40 |
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3000.0 mV |
0.1 mV |
0.025% + 5 (89-IV) |
2% + 80 |
0.6% + 40 |
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0.025% + 10 (87-IV) |
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6% + 405 |
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DC V |
5.0000V |
0.0001V |
0.025% + 10 |
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2% |
+ 80 |
0.5% + 40 |
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50.000V |
0.001V |
0.03% + 3 |
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2% |
+ 80 |
0.5% + 40 |
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500.00V |
0.01V |
0.1% + 2 |
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2% |
+ 80 |
0.5% + 40 |
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Not specified |
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1000.0V |
0.1V |
0.1% + 2 |
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2% |
+ 80 |
0.5% + 40 |
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Not specified |
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DC μA |
500.00 μA |
0.01 μA |
0.25% + 207 |
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7% |
+ 10 |
7% + 10 |
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9% + 40 |
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5.000 μA |
0.1 μA |
0.25% + 2 |
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1% |
+ 10 |
0.75% + 10 |
2% + 40 |
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DC mA |
50.000 mA |
0.001 mA |
0.15% + 10 |
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1% |
+ 10 |
0.75% + 10 |
2% + 40 |
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400.00 mA3 |
0.01 mA |
0.15% + 2 |
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1.5% + 10 |
1.5% + 10 |
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3% + 40 |
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DC A |
5.0000A |
0.0001A |
0.5% + 10 |
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7% |
+ 20 |
7% + 20 |
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12% + 40 |
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10.000A4 |
0.001A |
0.5% + 2 |
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1.5% + 10 |
1.5% + 10 |
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3% + 40 |
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1For the 5,000 count mode, divide the number of least significant digits (counts) by 10.
2A residual reading of 8 to 80 digits with leads shorted, will not affect stated accuracy above 5% of range.
3500.00 mA for 30 seconds maximum.
44.20A overload for 30 seconds maximum.
5DC 5V range, -3dB typical @ 10 kHz.
6In RF field of 3V/m, add 100 counts from 100 to 120 MHz, 60 counts from 270 to 300 MHz, 40 counts from 320 to 335 MHz.
7In RF field of 3V/m, add 200 counts from 80 to 95 MHz.
8See AC conversion notes for AC mV and V.
Above specifications are subject to change without notice.
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