特点 | 805 | 806 | 807 |
背光 | － | Backlight | Backlight |
中性线电流检测 | － | Neutral current capabilities | 100A Neutral Current Clamp included |
自动检测钳形适配器 | － | Auto-detect clamps | Auto-detect clamps |
可选FIFO内存 | － | Optional FIFO memory | Optional FIFO memory |
单相或三相测量 | Single or three-phase measurements | Single or three-phase measurements | Single or three-phase measurements |
真有效值 | True RMS | True RMS | True RMS |
数据存储（1M内存） | Data logging (1 MB memory) | Data logging (1 MB memory) | Data logging (1 MB memory) |
最大/最小/平均值 | Min/max/avg | Min/max/avg | Min/max/avg |
电能及谐波程序 | Energy and Harmonics | Energy and Harmonics | Energy and Harmonics |
PC机分析软件 | PowerVision Software | PowerVision Software | PowerVision Software |
可选程序 - 扰动 - 检查仪表 - 快速检查 | Optional programs Disturbances Check-Meter Fast-Check | Optional programs Disturbances Check-Meter Fast-Check | Optional programs Disturbances Check-Meter Fast-Check |
轻质便携设计 | Lightweight portable design | Lightweight portable design | Lightweight portable design |
便于使用的按键设计 | Easy-to-use push button operation | Easy-to-use push button operation | Easy-to-use push button operation |
密码保护屏幕设置 | Password protected on-screen setup | Password protected on-screen setup | Password protected on-screen setup |
160 x 160点阵式LCD | 160 x 160 pixel LCD | 160 x 160 pixel LCD | 160 x 160 pixel LCD |
RS-232 通信接口 | RS-232 interface | RS-232 interface | RS-232 interface |
用户数据采集 | Customized data collection | Customized data collection | Customized data collection |
实时时钟 | Real-time clock | Real-time clock | Real-time clock |
可编程设置，触发点及开始/停止时间 | Programmable trigger-points and start/stop time | Programmable trigger-points and start/stop time | Programmable trigger-points and start/stop time |
测量项目 | | | |
有功功率（kW） | Kilowatts | Kilowatts | Kilowatts |
视在功率（VA） | Voltamperes | Voltamperes | Voltamperes |
感性无功功率（kvarL） | Inductive reactive power | Inductive reactive power | Inductive reactive power |
容性无功功率（kvarC） | Capacitive reactive power | Capacitive reactive power | Capacitive reactive power |
功率因数（PF） | Power factor | Power factor | Power factor |
频率（Hz） | Frequency | Frequency | Frequency |
千瓦时（kWh） | Kilowatt hour | Kilowatt hour | Kilowatt hour |
每小时无功功率（kvarL，kvarC） | Reactive power per hour | Reactive power per hour | Reactive power per hour |
总谐波畸变（％THD） | Total harmonic distortion | Total harmonic distortion | Total harmonic distortion |
谐波因数分解至51次谐波 | Harmonic factorization to 51st harmonic | Harmonic factorization to 51st harmonic | Harmonic factorization to 51st harmonic |
自动量程 | Auto ranging | Auto ranging | Auto ranging |