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  • 产品型号:Model 2500A
  • 更新时间:2023-01-02

简要描述:Graphical Color Display

Isolated inputs

0.020?Phase Accuracy

0.001?Phase Resolution
On Board Reference Generator

80 dB harmonic rejection

Wide frequency response

IEEE-488, USB

产品详情

Description

The Model 2500A Phase Angle Voltmeter replaces the very popular Model 2500 PAV. With the latest and most advanced DSP technology, this instrument provides a new level of performance and user friendliness. In addition, the 2500A Phase Angle Voltmeter is considerably less expensive than other “traditional” PAVs.  By keeping classic measurements, "at the touch of a button", the Model 2500A behaves more like an instrument and less like a computer. The unit is extremely easy to use yet contains a host of features and performance characteristics that set it apart from all others.

Specifically targeted at Synchro/Resolver and LVDT/RVDT applications this instrument makes measurements of Phase Angle, In-Phase, Quadrature, Fundamental and Total a breeze. All parameters can be displayed simultaneously on a bright high resolution color graphical display.  The Model 2500A even includes a built-in oscilloscope for viewing input waveforms.

Isolated inputs allow null, ratio and gain measurements of key parameters and a reference offset facilitates bridging measurements. A sensitive null meter is also included. An optional on-board reference generator has enough power to drive most LVDT/Synchro references. This feature can eliminate the need for an external reference; although the unit can be used with an external generator if so desired.  The Model 2500A also includes pre-defined LVDT/RVDT functions such as (A-B)/(A+B) and (A-B)/Ref.

But the 2500A Phase Angle Voltmeter goes further. By using an external shunt, it can also, measure power, power factor, THD, harmonics, and impedance.

Typical Displays
    
Multifunction Display In Phase with Nullmeter Oscilloscope
Multifunction Display In Phase with Nullmeter    Oscilloscope   

Specifications

Channels 2, galvanically isolated
Measurement Total, Fundamental, In-phase, Quadrature, Ratio,
Frequency and Phase plus Null Meter

Voltage Input Ranges

20mV rms to 630V rms in ?decade ranges or
Autoranging
Resolution 5 digits voltage, 6 digits phase
Phase Input Ranges 0.00?- 360?or ?80?o:p>
Frequency Range, Total 20Hz to 1MHz
Frequency Range, Fundamental Modes 20Hz to 100KHz
Optional DC Recorder Output +/- 2 VDC full scale
  
Voltage Accuracy: % of reading +% of full scale/Over frequency and Voltage range
Range 20-2K 2K-5K 5K-20K 20K-50K 50K-100K 100K-300K 300K-1M
20mV 0.06+0.05 0.09+0.10 0.15+0.10 0.30+0.20 1.50+0.50 - -
63mV 0.06+0.05 0.09+0.10 0.15+0.10 0.30+0.20 0.04+0.50 - -
200mV-20V 0.05+0.05 0.05+0.10 0.10+0.10 0.20+0.20 0.40+0.50 1.2+1.0 4.5+1.0
63V 0.05+0.05 0.05+0.10 0.10+0.10 0.20+0.20 0.40+0.50 1.2+1.0 -
200V-630V 0.12+0.05 0.12+0.10 0.12+0.10 0.40+0.20 1.20+0.50 - -

Fundamental modes to 100KHz.  Add 30礦 to Total mode specs.

        
Phase Accuracy
20Hz to 2KHz ?.02?o:p>
2kHz to 5kHz ?.03?o:p>
5kHz to10kHz ?.04?o:p>
10kHz to 20kHz ?.05?o:p>
20kHz to 50kHz ?.10?o:p>
50kHz to 100kHz ?.20?o:p>
 
 
Common Mode Rejection Ratio (CMRR) 5Hz to 1KHz
1kHz to 5kHz
5kHz to 32 kHz
32kHz to 150KHz
126dB
110dB
100dB
91dB
Harmonic Rejection 80dB (even and odd)
Max input 650Vrms
Input impedance 1 M // 30pF (excluding. Leads)
Coupling AC
Nulling Sensitivity 1 Micro Volt
      
Optional Reference Generator
Frequency 20Hz to 20kHz 
Output Voltage 10mV to 115Vrms
Accuracy* Frequency:        ?.01% Amplitude:      ?% (20Hz to 20kHz), no load
Resolution Frequency:        5 digits Amplitude:      4 digits
Maximum Output Current (Peak)


0 to 12.00V 0.5A
12.01 to 30.00V  0.2A

30.01 to 120V

0.05A
Output Impedance (nominal)


 
  20Hz to 2.7kHz 2.7kHz to 20kHz
0 to 12.00V 4 Ohms  1 Ohms
12.01 to 30.00V 25 Ohms 6 Ohms
30.01 to 120V 400 Ohms 100 Ohms
*Accuracy can be improved significantly by using voltage tracking loop mode.  Consult factory for details.
    
General
Display High Resolution Color TFT
Digital Interface IEEE-488.2,  USB
Size Approximay 19" W (Rack Mountable) x 3.5" H x 13” D
Temperature range Operating: 0?to 40癈
Within specification: 23??癈
Weight Approximay 13 pounds
Power supply 100 to 260V rms, 47 to 63Hz,  30VA max.
Warranty 1 year
    
Options
Option Number Ordering information example:
01:   Signal Generator Model 2500A with signal generator, DC output, and front/rear inputs:
Order:  2500A-01-02-03
02:   Front and Rear Inputs
03:   DC Recorder Output

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