| 产品简介 ● 300~1000MHz ● 紧缩式设计，重量轻 ● 高频率稳定性（使用合成本振，参考振荡器的频率稳定性高达±1*10^-6） ● 宽动态范围（80dB） ● 自动增益校准 ● 场强的直接读取 ● 高精度显示（0.1dB步进） |
| Model | Ml522A | ||
| RF input | Nominal impedance 50Ω,N-type connertor | ||
| Frequency | Range | 300.0000to 999.9875MHz | |
| Display | Liquid crystal display,6 digits Minimumdigit:1kHz(0.5kHz is displayed using a symbol of.) |
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| Resolueion | 120kHz bandwidth | 12.5kHz | |
| 15kHz dandwidth | - | ||
| 8kHz bandwidth | - | ||
| Setting | Keyboard and FINE dial | ||
| Memory | Up to 100frequencies can be stored andrecalled | ||
| Reference frequency stability | ±1×0.000001 | ||
| Voltage measurement (E.M.F) | Minimum value | 14dBμV | |
| Maximum value | 100dBμV | ||
| Setting | C/N | ≥6B(at minimum value) | |
| Bandwidth | 120kHz | ||
| Accuracy*digital display) | ±2dB(≥minmum value+6dB) | ||
| Compariso oscillator | Pulse generator | ||
| Flekf strength measurement | Minimum value | 28 to 41dBμV/m | |
| Maximum value | 114 to 120dBμV/m | ||
| Setting | C/N | ≥6dB(at minmum value) | |
| Bandwidth | 120kHz | ||
| Type of antenna | Half-wave dipole | ||
| Selectivity | 6dB dandwidth | 8kHz bandwidth | - |
| 15kHz bandwidth | - | ||
| 120kHz badnwidth | 120±20kHz | ||
| Detuning characteristics | 8kHz bandwidth | - | |
| 15kHz bandwidth | - | ||
| Image ratio | ≥45dB | ||
| Residual spurious | ≤10dBμV(typical near 50,130,600,1000MHz) | ||
| Detection system | Average value | ||
| Measured lvel indication | Display:Liqued crystal display,4digits,Minmumdigit:0.1dB(on digital display),Up to 80dB(on analogdisplay) Unit:dBμV/m(on digital display) |
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| Monitor output | AM and FM can be heard from a loudspeaker,andearphone output terminal is also provided. | ||
| IF output | Level:≥85dBμVinput Impedance:50Ω Connector:BNC-type |
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| Discriminator output | Level:1V±20%(modulation rquency:2kHz,freequencydeviation:3.5kHz,into 100kHzload) Impedance:≤150Ω Connector:BNC-type |
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| Output for recorder | Level:1C±10%(at 80dB on digital display ,into 100kΩload) Impedance:≤150Ω Connector:3.5jack |
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| Ambient temperature | 0°to 50℃(operate),-20to 60℃(storage) | ||
| Power | 12Vdc:<700mA 100Vac,50/60Hz,≤26VA(using MZ114AAC Power Pack supplied) R14(SUM-2)dry battery(MZ110ABattery Pack) Ni-Cd dattery(optional MZ110B BatteryPack) |
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| Dimensions and mass | 210(W)×60(H)×175(D)mm,≤3kg(including MZ110A) | ||
| EMC*1 | EN55011:1991,Group1,ClassA EN50082-1:1992 |
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