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NF回路设计株式会社授权香港力高仪器有限公司为香港及华南地区一级代理商，授权长沙力高捷创仪器有限公司为华中区一级代理商，代理产品为品牌下所有对中国市场销售的电源产品、电子仪器产品、电子模块产品及其他测试与测量产品。
NF 产品选型索引：
| NF | Function Modules and Component : | |
| Filter Amplifier Oscillator Phase Dectector | ||
| Signal Generator | ||
| Function Generator | ||
| New | WF1973 | Multifunction Generator |
| New | WF1974 | Multifunction Generator |
| WF1943B | 1CH 15MHz Arbitrary waveform,14BIT,64K word | |
| WF1945B | 1CH 15MHz Arbitrary waveform,16BIT,64K word | |
| WF1944B | 2CH 15MHz Arbitrary waveform,14BIT,64K word | |
| WF1946B | 2CH 15MHz Arbitrary waveform,16BIT,64K word | |
| WF1965 | 1CH 50MHz Arbitrary waveform,14BIT,32K word | |
| WF1966 | 2CH 50MHz Arbitrary waveform,14BIT,32K word | |
| Clock Generator Clock Synthesizer | ||
| CK1615 | 1kHz to 100MHz,resolutioin 1mHz | |
| CK1620 | 1kHz to 500MHz,resolutioin 1mHz | |
| LCR Meter | ||
| ZM2353 | LCR Meter | |
| ZM2354 | LCR Meter | |
| AC Voltmeter/Noise Meter | ||
| M2170 | True RMS AC voltmter | |
| M2174 | AC voltmeter/Noise meter | |
| M2177 | Auto-ranging AC voltmeter/Noise meter | |
| Lock-in Amplifier/Preamplifier | ||
| Lock-in Amplifier | ||
| LI-5630 | Digital Lock-in Amplifier - 1mHz to 100kHz, 2nV full-scale Phase stability : 0.01°/°C, Gain stability : ±100ppm/°C Time Constant (at minimum) : 10μs, Built-in oscillator | |
| LI-5640 | Multifunction Digital Lock-in Amplifier | |
| 5610B | 2-phase Lock-in Amplifier - 0.5Hz to 200kHz, 100nV full-scale Two phases, Auto setting function, Built in oscillator | |
| LI-575 | Synchrotrack Lock-in Amplifier - 0.5Hz to 200kHz, 100nV full-scale,Completely free from harmonic influences | |
| Preamplifier | ||
| SA-200F3 | SA series Low Noise Preamplifier | |
| SA-220F5 | Low Noise FET Amplifier | |
| SA-230F5 | Low Noise Amplifier | |
| SA-400F3 | Low Noise Differential Amplifier | |
| SA-420F5 | Low Noise Differential FET Amplifier | |
| SA-421F5 | Low Noise Differential FET Amplifier | |
| SA-430F5 | Low Noise Differential Amplifier | |
| Isolation Amplifier | ||
| 5325 | Isolation Amplifier | |
| Light Chopper | ||
| 5584A | Light Chopper | |
| Filter | ||
| 3611 | Multifunction Filter | |
| 3624 | Dual channel programmable filter | |
| 3625 | Dual channel programmable filter | |
| 3627 | Dual channel programmable filter | |
| 3628 | Dual channel programmable filter | |
| FV-628B | Wide range decade filter | |
| 3660A | HF programmable lowpass filter | |
| CD Player Evaluating Filter | ||
| 3346A | CD Player Evaluating Filter | |
| Mix-tape Band-pass Filter | ||
| DV-12 | Mix-tape Band-pass Filter | |
| Multichannel Filter (built-in module) | ||
| 3314 | Resister Tunable Filter | |
| 3315 | Resister Tunable Filter | |
| 3316 | Resister Tunable Filter | |
| 3334 | Voltage Tunable Filter | |
| 3344 | Programmable Filter | |
| DV-04 | Fixed Frequency Filter | |
| Frequency Response Analyzer | ||
| FRA5022 | Frequency Response Analyzer 0.1mHz to100kHz Slim case (2U) optimal for rack systems | |
| FRA50602 | Frequency Response Analyzer 0.1mHz to 2MHz, high accuracy and multifunction | |
| FRA50615 | Frequency Response Analyzer Highest-end model of FRA 0.1mHz to 15MHz, high accuracy and multifunction | |
| Arbitrary | ||
| WF1943B | 1CH 15MHz Arbitrary waveform,14BIT,64K word | |
| WF1945B | 1CH 15MHz Arbitrary waveform,16BIT,64K word | |
| WF1944B | 2CH 15MHz Arbitrary waveform,14BIT,64K word | |
| WF1946B | 2CH 15MHz Arbitrary waveform,16BIT,64K word | |
| WF1965 | 1CH 50MHz Arbitrary waveform,14BIT,32K word | |
| WF1966 | 2CH 50MHz Arbitrary waveform,14BIT,32K word | |
| Power Supply and Power Control Products | ||
| AC Power Source | ||
| DP series | Programmable AC/DC Power Source 1.5kVA to 12kVA | |
| ES series | Programmable AC/DC Power Source 2kVA to 60kVA | |
| EC1000S | Programmable AC/DC power supply | |
| EPO series | Programmable AC/DC Power Source | |
| Power Amplifier | ||
| Bipolar DC Power Supply | ||
| BP4610 | Bipolar DC Power Supplywith Built-in Sequential Signal Source | |
| BP4620 | Bipolar DC Power Supplywith Built-in Sequential Signal Source | |
| High Speed Bipolar Amplifier | ||
BA series | ||
| BA4825 | 2MHz High Speed Bipolar Amplifier | |
| BA4850 | 50MHz High Speed Bipolar Amplifier | |
| HSA series | ||
HSA42011 | High Speed Bipolar Amplifier DC to 1MHz | |
HSA42012 | High Speed Bipolar Amplifier DC to 1MHz | |
HSA42014 | High Speed Bipolar Amplifier DC to 1MHz | |
HSA42051 | High Speed Bipolar Amplifier DC to 500kHz | |
HSA42052 | High Speed Bipolar Amplifier DC to 500kHz | |
HSA42101 | High Speed Bipolar Amplifier DC to 10MHz | |
| As-161 | High Speed Bipolar Amplifier | |
| 6 models, DC to 100kHz/150kHz, 60V/30V, 30A/60A/120A/240A for Vehicle Electric and Electronic Components | ||
| High Voltage Power Amplifier | ||
| HVA4321 | High Voltage Power Amplifier ±10kVpeak / ±10mApeak , 500V/ms | |
| 4305 | High Voltage Power Amplifier ±500V | |
| Precision Power Amplifier | ||
| 4502 | DC to 20kHz ±200V 2.1Arms Precision Power Amplifier | |
| 4502 | DC to 20kHz ±200V 4.2Arms Precision Power Amplifier | |
| 4510 | DC to 20kHz ±200V 8.3Arms Precision Power Amplifier | |
| 4520A | DC to 20kHz ±200V 16.7Arms Precision Power Amplifier | |
| 4521 | Booster for 4521 ±200V 16.7Arms Precision Power Amplifier | |
| Electronic Load | ||
| Electronic DC Load | ||
| Low-loss Simulated Electronic Load | ||
| As-513 | Low-loss Simulated Electronic Load | |
| Power Test Instruments | ||
| RX4717W | Single-phase Voltage, Single-phase Current Protective Relay Tester | |
| RX4718W | Three-phase Voltage Protective Relay Tester | |
REX4723W | Three-phase Current Protective Relay Tester | |
REX4741W | Protective Relay Test Controller | |
| 2717 | Power Multimeter | |
RX4763 | 3-phase Voltage Current Standard | |
| Function Modules | ||
| Oscillator modules | ||
| CG-102R1 | Oscillator modules 20Hz to 20kHz 0.005% max(70Hz to 10kHz) | |
| CG-102R2 | Oscillator modules 1kHz to 100kHz 0.005% max(2kHz to 50kHz) | |
| CG-202R3 | Oscillator modules 100kHz to 1MHz -50dB typ. (1MHz) | |
| CG-302R1 | Oscillator modules 20Hz to 20kHz 0.005% max(70Hz to 10kHz) | |
| CG-302R2 | Oscillator modules 1KHz to 100kHz 0.005% max(2kHz to 50kHz) | |
| CG-402R1 | Oscillator modules 20Hz to 20kHz 0.1% max(200Hz to 100kHz) | |
| CG-402R2 | Oscillator modules 1kHz to 100kHz 0.1% max(200Hz to 100kHz) | |
