Datasheet > U1174A

U1174A

更新时间： 2022-04-11 05:00:57

品牌	Logo	应用领域
惠普 - HP		/
页数	文件大小	规格书
10页	327K
描述
Handheld Digital Multimeter (DMM)

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U1174A 数据手册

Electrical Specifications

AC specifications

True rms AC voltage and AC current specifications

Accuracy (% of reading +

Burden voltage/

shunt

counts of least significant digit)

Function

Range

600 mV

6 V

Resolution

0.1 mV

0.001 V

0.01 V

45 Hz to 500 Hz

500 Hz to 1 kHz Where (applicable)

Voltage

1.0% + 3

2.0% + 3

4.0% + 3

1.0% + 3

2.0% + 3

60 V

600 V

0.1 V

0.01 μA

0.1 μA

0.001 A

0.01 A

600 (VZ_LOW

60 μA²

600 μA²

6 A³

)

Current¹

1.5% + 3

< 2.5 V/1 kΩ

< 0.2 V/0.005 Ω

< 0.4 V/0.005 Ω

1.5% + 3

10 A^{3, 4}

1.5% + 3

Notes for true rms ac voltage specifications:

1. Overload protection: 600 Vrms. For millivolt measurements, 600 Vrms for short circuits with < 0.3 A current.

2. Input impedance: 10 MΩ (nominal) in parallel with < 100 pF.

3. VZ_LOWinput impedance: 3 kΩ (nominal).

Notes for ac current specifications:

1. AC current measurement not available for U1231A model.

2. Overload protection for 60 μA to 600 μA range: 600 Vrms for short circuits with < 0.3 A current.

3. Overload protection for 6 A to 10 A range: 11 A/1000 V; 10 × 38 mm fast-acting fuse.

4. Specification for 10 A range: 10 A continuous. Add 0.3% to the specified accuracy when measuring signals > 10 A to 20 A for 30 seconds maximum.

After measuring currents > 10 A, cool down the multimeter for twice the duration of the measured time before proceeding with low current

measurements.

Capacitance specifications

Accuracy (% of reading +

counts of least significant digit)

U1231A/U1232A/U1233A

Range

1000 nF

10 μF

100 μF

1000 μF

10 mF

Resolution

1 nF

0.01 μF

0.1 μF

1 μF

0.01 mF

Measuring rate (at full scale)

4 times/second

1 time/second

1.9% + 2

0.1 time/second

Notes :

1. Overload protection: 600 Vrms for short circuits with < 0.3 A current.

2. The accuracy of for all ranges is specified based on a film capacitor or better, and after the Null function is used to subtract the test lead resistance

and thermal effect (by shorting the test leads).

3. The maximum display is 1200 counts.

1 2 345 6 7...10

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