更新時間：2024-09-12
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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 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.
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.
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
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 |
北京志鴻恒拓科技有限公司
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