会员登录
购物车
商品分类
浏览过的商品
Dual Phase Lock-In Amplifier 双相锁相放大器and chopper斩波器(Edmund Optics)
| Specification Table | |
 |
|
| Frequency Range | 10Hz to 100kHZ |
| Input | High or low impedance differential or single ended via front panel BNC |
| Sensitivity | 3µV to 1V (for 1V output) switched in 1, 3, 10 steps |
| Input Impedance | 1012 ohms parallel with 1nF, AC coupled |
| Maximum Inputs | ±16V before input protection comes into operation |
| Gain Accuracy | 1% |
| Gain Stability | 200ppm/°C |
| Dynamic Range | 60 dB |
| Time Constant | selectable: 100µs, 300µs, 1ms, 3ms, 10ms, 30ms, 300ms, 1s, 3s, 10s, 30s |
| Front Panel Outputs | X, Y, or R switchable output |
| Rear Panel Outputs | X, Y, and R separate outputs |
| Phase Control | 90° steps plus fine shift range 0° to 100° |
| Phase Drift | 0.1°/°C |
| Trigger | Sine: 100mV RMS min (15V max) Pulse: 5V, 95% mark/space ratio min |
| Acquisition Time | 10s max |
| Operating Temperature | 0°C to 50°C (32°F to 122°F) |
| Dimensions | 440mm W x 87mm H x 190mm D |
DUAL PHASE LOCK-IN AMPLIFIER  |
NT55-784 | $2,100.00 |
| OPTICAL CHOPPER |
NT55-783 | $1,150.00 |
|
Chopper | |
|
|
| Frequency Range | 5Hz to 20kHZ (using different discs) |
| Stability | Better than 0.01%/°C |
| Frequency Stability | Long Term: better than ±0.1% of reading within 10% to 100% of max. frequency |
| Frequency Control | Internal: via ten turn potentiometer External: via BNC connector for 0V to 15V |
| Control Unit Dimensions | 254mm W x 76mm H x 178mm D |
| Control Unit Weight | 2.6 kg |
| Display | 5 digit digital display of current chopping frequency |
| Reference Output | 5V HCT TTL pulse via BNC socket |
| Chopper Head Dimensions | 73.0mm H x 75.0mm L x 32.0mm W without blade |
| Blade Dimensions | 102mm Dia. x 0.5mm Thk. |
| Blade Aperture (Dia.) | Max 98mm, Min 34mm (46mm for 200 Slots) |
| Blade Material | Half hard brass with chemically blackened finish |
| Reference Pick-Up | IR LED and phototransistor pair with Schmitt Trigger |
| Mark-Space Ratio | 1:1 when using one blade |
| Blade | Frequency (Hz) | Max Beam Aperture* | Phase Jitter, Max | Stock Number |
| 2 Slots | 5 - 200 | 77.0mm | ±0.2° | #56-066 |
| 5 Slots | 12.5 - 500 | 30.8mm | ±0.5° | #56-067 |
| 10 Slots | 25 - 1,000 | 15.4mm | ±1.0° | #56-068 |
| 30 Slots | 75 - 3,000 | 5.1mm | ±3.0° | #56-069 |
| 200 Slots | 500 - 20,000 | 0.8mm | ±20.0° | #56-070 |
我们也提供美国斯坦福研究系统公司的产品，不过价格美国斯坦福研究系统公司的产品较高