Fluke 26 III User Manual

Series III Multimeter
Specifications
5
Table 1. Specifications (cont.)
Function Range Resolution Accuracy Burden Voltage (Typical)
? (45 Hz to 1 kHz) 4.000 mA 0.001 mA ±(1.5 %+4) 11 mV/mA
40.00 mA 0.01 mA ±(1.5 %+2) 11 mV/mA
4 A 0.001 A ±(1.5 %+4) 0.03 V/A
10.00 A* 0.01 A ±(1.5 %+2) 0.03 V/A
A 4.000 mA 0.001 mA ±(0.5 %+5) 11 mV/mA
40.00 mA 0.01 mA ±(0.5 %+2) 11 mV/mA
4 A 0.001 A ±(0.5 %+5) 0.03 V/A
10.00 A* 0.01 A ±(0.5 %+2) 0.03 V/A
Frequency** 99.99 0.01 Hz ±(0.01 %+1)
(1 Hz to 20 kHz) 999.9 0.1 Hz ±(0.01 %+1) Not Applicable
9.999 kHz 0.001 kHz ±(0.01 %+1)
20.00 kHz 0.01 kHz ±(0.01 %+1)
* Overload, 20 A for 30 seconds
** For rectangular waveforms 25 % ≤ duty cycle ≤ 75 % . V ac ≤ 1 kHz.
Frequency Counter Sensitivity and Trigger Level
Input Range* Minimum Sensitivity (RMS Sine Wave)
500 Hz to 20 kHz 1.0 Hz to 500 Hz**
400 mV ac Not Applicable Not Applicable
4 V ac 0.3 V 0.7 V
40 V ac 3 V 7 V
400 V ac 30 V 70 V
1000 V ac 300 V Not Applicable
* Maximum input for specified accuracy = 10 x Range or 600 V.
** Display rattle for sine waves below 500 Hz = 5 counts.
Function Overload
Protection*
Input Impedance
(Nominal )
Common Mode
Rejection Ratio
(1 kΩ Unbalance)
Normal Mode
Rejection
L 1000 V dc
1000 V ac rms (sine)
>10 MΩ,
<100 pF
>120 dB at dc,
50 Hz, or 60 Hz
>60 dB at 50 Hz
or 60 Hz
m
L 1000 V dc
1000 V ac rms (sine)
10 MΩ,
<100 pF
>120 dB at dc,
50 Hz, or 60 Hz
>60 dB at 50 Hz
or 60 Hz
K 1000 V dc
1000 V ac rms (sine)
>10 MΩ,
<100 pF
>60 dB, dc to
60 Hz
(ac-coupled)
e Open Circuit
Test Voltage
Full Scale Voltage Short Circuit Current
<4.0 MΩ <40 MΩ
1000 V dc,
1000 V rms (sine)
<1.3 V dc <450 mV dc <1.3 V dc <250 µA
G 1000 V dc,
1000 V rms (sine)
<3.1 V dc 2.45 V dc 600 µA typical
*10
7
V-Hz max.

Fluke 26 III Specifications

General

Brand	Fluke
Model	26 III
Category	Multimeter
Language	English