特点 | 825 | 826 | 827 |
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 | |
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 n 扰动 n 检查仪表 n 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
|