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*美NORTH STAR 高壓探頭

更新時間:2024-09-12

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*美NORTH STAR 高壓探頭北京志鴻恒拓科技有限公司


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美NORTH STAR 高壓探頭

Voltage Probe Manual and Data

North Star Research Corporation

 

Standard Voltage Probe Data

High Voltage Probes Up to 400 kV

 

High Voltage Probes

High voltage measurements have a variety of different requirements, and our PVM series and VD series probes are designed for most of these requirements. The PVM probes are designed for wide bandwidth and ease of portability where a variety of measurements must be made. The VD series probes are designed for use at higher voltage ranges, and where physical stability is required.

Specialty Probes PVM series probes with PVM-5 on top and PVM-10 on the bottom

The design of the probes is unique. The probe comes fully adjusted without any requirement to further adjust the probe in the field. Stray capacitances internal to the probe are factory calibrated. Stray capacitances due to proximity effects are minimied by the unique conductor placement.

Low temperature and voltage coefficient resistors and capacitors are used throughout the probe to provide maximum measurement accuracy. The probe has a rugged nylon housing, and it is filled with dielectric oil for maximum high voltage stability.

Our PVM Series probes our available with either 1000:1 or 2000:1 calibration factors at the time of order.

Voltage Probe Specifications

PVM Series Portable High Voltage Probes to 60 kV DC

PVM series high voltage probes are designed for general use, and for exceptional high frequency response. The probes have applications ranging from automotive ignition to excimer laser system measurement to EMI measurement. They are factory calibrated, and they do not require adjustment. In general the probes are for use with 1 Megohm oscilloscopes, but we also offer an optional switch which can compensate for various measurement instruments such as 10 Megohm meters as well. These units are intended for a wide range of applications where portability and ease of use are essential.

 

Model Number

PVM-1

PVM-2

PVM-3

PVM-4

PVM-5

PVM-6

PVM-11 (PVM-10)

PVM-12

Max DC/Pulsed V (kV)

40/60

40/60

40/60

40/60

60/100

60/100

10/12

25/30

Max Frequency (Mh.)

80

80

40

110

80

80

50

80

Cable Impedance (ohms)

50

50

50

93

50

50

50

50

DC - 2 H.accuracy

<0.1%

<0.1%

<0.1%

<0.1%

<0.1%

<0.1%

<0.1%

<0.1%

2 H. - 200 H. accuracy

<1 %

<1. %

<2. %

<1. %

<1 %

<1 %

<1.5 %

<1.5 %

200 H. - 5 Mh. accuracy

<1.5%

<1.5%

<3%

<1.5%

<1.5%

<1.5%

<2.%

<2.%

> 5 Mh. Accuracy

<3%

<3%

<4%

<5%

<3%

<4%

<4%

<4%

Input R/C (Megohm/pf)

400/13

400/13

400/10

400/10

400/12

400/12

100(50)/15

300/7

Cable Length (ft./m)

15/4.5

30/9

100/30

15/4.5

15/4.5

30/9

15/4.5

15/4.5

Standard Divider Ratio

1000:1

1000:1

10,000:1

1000:1

1000:1

1000:1

1000:1 (100:1)

1000:1

Length (inches/cm.)

19/47

19/47

19/47

19/47

19/47

19/47

7/18

9/23

*美NORTH STAR 高壓探頭

Add -2 to any PVM-1 - PVM-6 or PVM-12 part number for 2000:1 ratio

VD Series High Voltage Probes 60 to 300 kV DC

Specialty Probes

VD series high voltage probes are floor standing high voltage probes which are designed for rugged day in - day out use. They are used in a wide range of applications ranging from evision tube manufacturing to radar to advanced particle accelerator applications. Resistors with an extremely low voltage coefficient of resistance are used, and all capacitors are temperature, frequency, and voltage stabilied for the best possible performance. The probes all have field defining toroids as a standard item in order to minimie the proximity effect (stray *美NORTH STAR 高壓探頭capacitance) and maximie the reproducibility of the measurement. The high and low frequency calibrations are carefully matched before shipment. Very high frequency cable effects are also carefully compensated so accurate measurements can be made even when the cable length exceeds the pulse duration. No adjustments are necessary once the probes have been factory calibrated.

Model Number

VD-60

VD-100

VD-150

VD-200

VD-300

VD-400

Max DC/Pulsed V (kV)

60/120

100/180

150/240

200/300

300/420

400/550

Max Frequency (Mh.)

20

20

20

16

12

8

Cable Length (ft.)

30

30

30

30

30

30

DC accuracy

<0.1%

<0.1%

<0.1%

<0.1%

<0.1%

<0.1%

10 H. - 1 Mh. Accuracy

1 %

1 %

1 %

2 %

2.5 %

3 %

>1 Mh Accuracy

3 %

3 %

3 %

3 %

4 %

4 %

Resistance (Megohms)

800

1600

2000

2800

4500

7000

Height (inches/cm.)

20/50

24/60

30/75

40/99

54/135

72/180

Diameter (in/cm.)

11/28

11/28

12/29

16/40

24/61

24/61

Capacitance (approx. pf)

27

25

27

24

20

16

Base Diameter(in/cm.)

10/25

10/25

12/30

20/50

30/76*

30/76

Standard Divider Ratio

10,000:1

10,000:1

10,000:1

10,000:1

10,000:1

10,000:1

 

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