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True-rms Multimeter
Specifications
17
Hz (V or A input)
[2]
99.99 Hz 0.01 Hz
0.1 % + 2 115, 117
999.9 Hz 0.1 Hz
9.999 kHz 0.001 kHz
50.00 kHz 0.01 kHz
99.99 kHz 0.01 kHz
Notes:
[1] All ac ranges except Auto-V LoZ are specified from 1 % to 100 % of range. Auto-V LoZ is specified from 0.0 V. Because inputs below 1 % of range are not
specified, it is normal for this and other true-rms meters to display non-zero readings when the test leads are disconnected from a circuit or are shorted
together. For volts, crest factor of 3 at 4000 counts, decreasing linearly to 1.5 at full scale. For amps, crest factor of 3. AC volts is ac-coupled.
Auto-V LoZ, AC mV, and AC amps are dc-coupled.
[2] AC Volts Hz is ac-coupled and specified from 5 Hz to 99.99 kHz. Minimum input required above 50.00 kHz typically is >1.1 vac sine. Minimum input typical
and not specified. AC Amps Hz is dc-coupled and specified from 45 Hz to 5 kHz.
[3] W>10 A unspecified.Duty cycle: >10 A to 20 A, 30 seconds on, 10 minutes off.
[4] 113 only: All
k CHEK voltage ranges are specified from 60 counts to 100 % of range. Because inputs <60 counts are not specified, it is possible and
normal for this and other true-rms meters to display non-zero readings when the test leads are disconnected from a circuit or are shorted together. Crest
factor of 3 at 4000 counts, decreasing linearly to 1.5 at full scale.
[5] 113 only: After measuring voltage, a wait time of 1 minute is required to maintain accuracy of ohms, capacitance, diode test, and continuity.
Table 7. Input Characteristics (110, 114, 115, 117)
Function Input Impedance (Nominal)
Common Mode Rejection Ratio
(1 kΩ Unbalanced)
Normal Mode
Rejection
Volts AC >5 MΩ <100 pF >60 dB at dc, 50 or 60 Hz 0.5 % + 2
- - -
Volts DC >10 MΩ <100 pF >100 dB at dc, 50 or 60 Hz 0.5 % + 2
- - -
Auto-V LoZ ~3 kΩ <500 pF >60 dB at dc, 50 or 60 Hz
- - -
Open Circuit Test Voltage Full Scale Voltage Short Circuit Current
Ohms <2.7 V dc
to 6.0 MΩ 40 MΩ
<350 μA
<0.7 V dc <0.9 V dc
Diode Test <2.7 V dc 2.000 V dc <1.2 mA
Table 6. Accuracy Specifications (cont.)
Function Range Resolution
Accuracy
± ([% of Reading] + [Counts])
Model
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