Basic Info.
Model NO.
NRJF-3000
Power Source
220V or 380V, 50Hz
Number of Channels
2 Electrical Signal Interfaces, One External Synch
Sampling Accuracy
12bit
Frequency Range
80K-200kHz, 40K-300K
Nonlinear Error of The Range
5%
Measuring Range
0.1PC~100000PC
Relative Humidity
< 85%Rh
Altitude
<2000m
Temperature
-15 - 50 Centigrade
Sensitivity
0.1PC
Trademark
NANR
Transport Package
Plywood Case
Origin
Wuhan China
HS Code
9030339000
Model NO.
NRJF-3000
Power Source
220V or 380V, 50Hz
Number of Channels
2 Electrical Signal Interfaces, One External Synch
Sampling Accuracy
12bit
Frequency Range
80K-200kHz, 40K-300K
Nonlinear Error of The Range
5%
Measuring Range
0.1PC~100000PC
Relative Humidity
< 85%Rh
Altitude
<2000m
Temperature
-15 - 50 Centigrade
Sensitivity
0.1PC
Trademark
NANR
Transport Package
Plywood Case
Origin
Wuhan China
HS Code
9030339000
Product Desciption
1. Product Introduction
The partial discharge test system can meet the AC withstand voltage test, DC high voltage test and partial discharge test of high voltage transformer, switch, cable, lighting arrester and other high-voltage electrical products. It is an ideal partial discharge test equipment for power equipment manufacturers, high voltage test departments and electric power maintenance and installation unit.
The PD test system is composed with digital partial discharge detector, PD Free test transformer, power console, PD Free isolation transformer, PD Free coupling capacitor, PD Free protective resistor and DC high voltage divider.
2. Technical parameters
2.1 Main technical parameters:
3.2 Technical data sheet for independent input unit
(Due to the continuous update of products and the difference in capacity and voltage, the final product pictures will be different, and the final product will prevail.)
3. Product characteristics
1) This instrument adopts WINDOWS series operation platform, which can freely select elliptical, linear and sinusoidal display, two-dimensional and three-dimensional graphic analysis methods, spectrum window and QVF three-dimensional characteristic window, and can statically measure, observe and analyze the partial discharge pulse of the one-wave test voltage.
2) It can perform digital window opening operation, open window at any phase, single window, double window optional, and 360° rotation of ellipse to avoid the influence of interference on measurement.
3) Multi-channel measurement and digital differential technology can flexibly form a pulse polarity identification or balance measurement loop to effectively suppress interference pulse signals.
4) Advanced spectrum analysis processing can effectively reduce background interference.
5) Multiple input channels can be used to measure the six partial discharge signals (expandable) of the test sample at one time, which can easily analyze the source of the PD signal.
6) Band selection, gain conversion, spectrum analysis, and 2D and 3D graphic display are conveniently performed on the operating platform. In addition, the system can print or save a single graphic and save the continuous time graphic data for analysis.
4. About our company
The partial discharge test system can meet the AC withstand voltage test, DC high voltage test and partial discharge test of high voltage transformer, switch, cable, lighting arrester and other high-voltage electrical products. It is an ideal partial discharge test equipment for power equipment manufacturers, high voltage test departments and electric power maintenance and installation unit.
The PD test system is composed with digital partial discharge detector, PD Free test transformer, power console, PD Free isolation transformer, PD Free coupling capacitor, PD Free protective resistor and DC high voltage divider.
2. Technical parameters
2.1 Main technical parameters:
| Technical characteristics | |
| Number of channels | 2 electrical signal interfaces, one external synchronization interface |
| Sampling accuracy | 12bit |
| Range switching | 60Db, 50dB, 40dB, 30dB, 20dB, 10dB, 0dB, -10dB total 8 ranges |
| Frequency range | 80k-200kHz, 40k-300kHz |
| Nonlinear error of the range | 5% |
| Measuring range | 0.1pC~100000pC |
| Sensitivity | 0.1pC |
| Capacitance range of the products to be tested | 6pF~250µF |
| Test power frequency range | 50~400Hz |
| Display | |
| Display | 7" TFT true color touch LCD |
| Resolution | 800×480 |
| Storage | |
| Physical storage | 256MB DDR2 for running memory |
| SD card storage | Standard 16G card, can be upgraded to 32G, used to store test records and test data |
| Interface | |
| RS232 | RS232 used for synchronous transmission interface with PC |
| USB | It can be connected to an external mouse and keyboard, as well as an external mobile storage device |
| Power mode | AC 220V |
| Electrical signal interface | 2-way BNC interface for signal input |
| SMA interface | External synchronization interface |
| SD card slot | can insert SD card up to 32G |
| Network port: | Can be expandable |
| Grounding button | For external grounding |
| General description | |
| CPU | Main frequency 533MHz |
| System | WINCE6.0 |
| Operation temperature | -20ºC - 45ºC |
| Storage temperature | -20ºC - 60ºC |
| Dimension | 350mm (L)× 245mm (W)× 175mm (H) |
| Weight | 5.8kg |
3.2 Technical data sheet for independent input unit
| Input unit serial number | Turning capacitance Ct´ | Sensitivity Unbalanced input | Maximum current (RMS) | |
| Unbalanced input | Balance d input | |||
| 1 | 6pF-25pF-100pF | 0.01pc | 30mA | 0.25A |
| 2 | 25pF-100pF-400pF | 0.02pc | 60mA | 0.5A |
| 3 | 100pF-400pF-1500pF | 0.04pc | 120mA | 1A |
| 4 | 400pF-1500pF-6000pF | 0.08pc | 250mA | 2A |
| 5 | 1500pF-6000pF-0.025mF | 0.15pc | 0.5A | 4A |
| 6 | 6000pF-0.025mF-0.10mF | 0.3pc | 1A | 8A |
| 7 | 0.025mF-0.10mF-0.4mF | 0.5pc | 2A | 15A |
| 8 | 0.10mF-0.4mF-1.5mF | 1.0pc | 4A | 30A |
| 9 | 0.4mF-1.5mF-6.0mF | 1.5pc | 8A | 60A |
| 10 | 1.5mF-6.0mF-25mF | 2.5pc | 15A | 120A |
| 11 | 4.0mF-15mF-60mF | 5.0pc | 25A | 200A |
| 12 | 15mF-60mF-250mF | 10pc | 50A | 300A |
3. Product characteristics
1) This instrument adopts WINDOWS series operation platform, which can freely select elliptical, linear and sinusoidal display, two-dimensional and three-dimensional graphic analysis methods, spectrum window and QVF three-dimensional characteristic window, and can statically measure, observe and analyze the partial discharge pulse of the one-wave test voltage.
2) It can perform digital window opening operation, open window at any phase, single window, double window optional, and 360° rotation of ellipse to avoid the influence of interference on measurement.
3) Multi-channel measurement and digital differential technology can flexibly form a pulse polarity identification or balance measurement loop to effectively suppress interference pulse signals.
4) Advanced spectrum analysis processing can effectively reduce background interference.
5) Multiple input channels can be used to measure the six partial discharge signals (expandable) of the test sample at one time, which can easily analyze the source of the PD signal.
6) Band selection, gain conversion, spectrum analysis, and 2D and 3D graphic display are conveniently performed on the operating platform. In addition, the system can print or save a single graphic and save the continuous time graphic data for analysis.
4. About our company
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