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Dc voltage measurement, Ac voltage measurement, Dc current measurement – Atec Fluke-740 Series User Manual

Page 8: Resistance measurement, Frequency measurement, Dc voltage output, Dc current output, Resistance sourcing, Frequency sourcing

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DC voltage measurement

Accuracy (% of reading + % of full scale)

Range (full scale)

1 year

2 years

110.000 mV

0.025% + 0.015%

0.05% + 0.015%

1.10000 V

0.025% + 0.005%

0.05% + 0.005%

11.0000 V

0.025% + 0.005%

0.05% + 0.005%

110.000 V

0.05% + 0.005%

0.1% + 0.005%

300.00 V

0.05% + 0.005%

0.1% + 0.005%

Temperature coefficient: (0.001% reading + 0.0015% f.s.)/°C
from -10 °C to 18 °C and 28 °C to 50 °C
Input impedance: 5 MΩ
Common mode error: 0.008% f.s./(Common Mode Volt)
Maximum input voltage: 300 V rms

AC voltage measurement

Accuracy (% of reading + counts)

Frequency range

1 year

2 years

20 to 40 Hz

2% + 10

2% + 10

40 to 500 Hz

0.5% + 5

0.5% + 5

500 Hz to 1 kHz

2% + 10

2% + 10

1 to 5 kHz

10% + 20

10% + 20

Ranges: 1.1000, 11.000, 110.00, 300.0 V
Specifications apply for 10% to 100% of range
Input impedance: 5 MΩ and <100 pF
Input coupling: AC only
Temperature coefficient:
10% of spec/°C from -10 °C to 18 °C and 28 °C to 50 °C
Maximum input voltage: 300 V rms
Minimum input voltage: 0.5 V above 1 kHz

DC current measurement

Accuracy (% of reading + % of full scale)

Range (full scale)

1 year

2 years

30.000 mA

0.01% + 0.015%

0.02% + 0.015%

110.00 mA

0.01% + 0.015%

0.02% + 0.015%

Temperature coefficient: (0.001% reading + 0.002% f.s.)/°C
from -10 °C to 18 °C and 28 °C to 50 °C
Common mode error: 0.01% f.s./(Common Mode Volt)
Maximum input voltage: 30 V dc

Resistance measurement

Accuracy (% of reading + ohms)

Range (full scale)

1 year

2 years

11.000 Ω

0.05% + 50 mΩ

0.075% + 50 mΩ

110.00 Ω

0.05% + 50 mΩ

0.075% + 50 mΩ

1.1000 kΩ

0.05% + 0.5 Ω

0.075% + 0.5 Ω

11.000 kΩ

0.1% + 10 Ω

0.1% + 10 Ω

Temperature coefficient: (0.01% f.s. + 2 mΩ)/°C from -10 °C to 18 °C
and 28 °C to 50 °C
Common mode error: 0.005% f.s./(Common Mode Volt)
Maximum input voltage: 30 V dc
Continuity: Continuous tone <25 Ω, No tone >400 Ω

Frequency measurement

Accuracy

Range

1 year

2 years

1.00 to 109.99 Hz

0.05 Hz

0.05 Hz

110.0 to 1099.9 Hz

0.5 Hz

0.5 Hz

1.100 to 10.999 kHz

0.005 kHz

0.005 kHz

11.00 to 50.00 kHz

0.05 kHz

0.05 kHz

For frequencies <109.99 Hz, specification applies for signals with
slew rates >5 V/ms
Minimum amplitude for Hz measurement: (Squarewaves) 1 Hz to
1 kHz, 300 mV p-p; 1 kHz to 30 kHz, 1.4 V p-p; >30 kHz, 2.8 V p-p
Maximum input: 1 Hz to 1 kHz, 300 V rms; >1 kHz, 30 V rms
Input impedance: 5 MΩ

Measurement Function Specifications

Sourcing (Simulation) Function Specifications

DC voltage output

Accuracy (% of output + % of full scale)

Range (full scale)

1 year

2 years

110.000 mV

0.01% + 0.005%

0.015% + 0.005%

1.10000 V

0.01% + 0.005%

0.015% + 0.005%

15.0000 V

0.01% + 0.005%

0.015% + 0.005%

Temperature coefficient: (0.001% output + 0.001% f.s.)/°C
from -10 °C to 18 °C and 28 °C to 50 °C
Maximum output current: 10 mA
Loading: (0.001% f.s. +1 µV)/mA
Common mode error: 0.008% f.s./(Common Mode Volt)
Maximum input voltage: 30 V dc

DC current output

Accuracy (% of output + % of full scale)

Range (full scale)

1 year

2 years

22.000 mA

0.01% + 0.015%

0.02% + 0.015%

Current sink (sim-

0.02% + 0.03%

0.02% + 0.03%

ulate transmitter)

Specification applies from 2 to 22 mA; below 2 mA typical accuracy is
0.15% of full scale
Maximum burden voltage: 24 V
Temperature coefficient: (0.003% output + 0.003% f.s.)/°C
from -10 °C to 18 °C and 28 °C to 50 °C
Common mode error: 0.008% f.s./(Common Mode Volt)
Maximum input voltage: 30 V dc

Resistance sourcing

Accuracy (% of output + ohms)

Range (full scale)

1 year

2 years

11.000 Ω

0.01% + 20 mΩ

0.02% + 20 mΩ

110.00 Ω

0.01% + 40 mΩ

0.02% + 40 mΩ

1.1000 kΩ

0.02% + 0.5 Ω

0.03% + 0.5 Ω

11.000 kΩ

0.03% + 5 Ω

0.04% + 5 Ω

Temperature coefficient: 0.01% f.s./°C from -10 °C to 18 °C and
28 °C to 50 °C
Maximum and minimum current through source resistance:

Maximum

Minimum

11 Ω range:

3 mA dc

0.1 mA dc

110 Ω range:

3 mA dc

0.1 mA dc

1.1 kΩ range:

3 mA dc

0.01 mA dc

11 kΩ range:

1 mA dc

0.01 mA dc

Common mode error: 0.008% f.s./(Common Mode Volt)
Maximum input voltage: 30 V dc

Frequency sourcing

Accuracy

Range

1 year

2 years

0.00 to 10.99 Hz

0.01 Hz

0.01 Hz

11.00 to 109.99 Hz

0.1 Hz

0.1 Hz

110.0 to 1099.9 Hz

0.1 Hz

0.1 Hz

1.100 to 21.999 kHz

0.002 kHz

0.002 kHz

22.000 to 50.000 kHz

0.005 kHz

0.005 kHz

Waveforms: Squarewave w/50% duty cycle, sinewave
Amplitude: 0.1 to 10 V p-p
Amplitude accuracy: 3% of output + 0.5% of f.s., 1 to 1099 Hz; 10%
of output + 0.5% of f.s., 1.1 to 10.9 kHz; 30% of output + 0.5% f.s.,
11 to 50 kHz
Maximum input voltage: 30 V dc

8

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