2017 可程式多功能瓦特表 / 高解析度机种
不论在评估或量测一般家电、办公室自动化设备或工业用设备上的电源转换、传输效率或功率量测,弹性与人性化的设计使你的使用上得心应手。本系列数位功率表具有8个电压档位,8个电流档位,及64个瓦特档位,极高的解析度是你最佳的选择。
产品特点
.基本+/-
0.1%的准确度
.电压、电流与瓦特皆为True RMS 量测
.电压及电流具有手动或自动的换档功能,及自动换档之频率量测
.使用4 1/2位类比数位转换器为基准,提供高准确度、高解析度及高稳定度的量测
.使用3个多工的显示器,可依所需来选择,且均可选择所有的量测功能(Wrms,
Arms, Wrms,
PF, VA, VAR, Hz)
.具有电压三段、电流三段及瓦特九段的输入档位选择
.自动保存关机前之设定状态,开机后自动回复原先设定
.输入电流峰值超过档位警告
下列功能只支援2017,
2018, 2019机种
.具有PT与CT比例乘算功能(0.0010 至 1000.0之间)
.各显示器皆具有独立的比较器功能设定
.具有面板功能设定的储存与唤回功能
.具有显示频均功能
.显示保留功能
.提供标准RS-232C介面
系列规格
Item |
Voltage |
Current
|
Input Circuit Type | Resistive voltage divider | Shunt input |
Rated Input (range rms) | 5/10/20/50/100/200/500/600V |
2017:
25m/50m/125m/250m/500m/1.25/2.5/5A |
Input Impedance | Approx. 1MΩ |
2017: Approx. 40mWΩ |
Max. Input (at 50/60Hz) | 600Vrms |
2017: 5Arms/12.5Apeak |
Range Selection | 2016: Auto Range, 2017/18/19 : Manual or Auto with LED Indicated | |
A/D Conversion | 4 1/2 Digits ADC | |
Input Filter | 2016: None, 2017/18/19 : 1KHz low pass Filter | |
Input Terminal | 2016/17/18: Screw Terminal, 2019: Binding Post Terminal |
量测功能
Item |
Voltage / Current |
Effective Power
|
Frequency Range | 2016/17 : 10Hz to 50KHz, 2018 : 10Hz to 100KHz, 2019: 10Hz to 5KHz | |
Crest Factor | “3” at Rated Input | |
Operating Principle | Ture rms | Analog Multiplier Circuit |
Display
Accuracy |
|
|
Effective Input Range | 5% to 100% of Set Range | |
Temp. Coefficient | ±0.05% of Range/℃ | |
Display Update Rate | 3.3 times/sec | |
Display Digits | 4 1/2 Digits (20000 counts) | Full 4 Digits (10000 counts) |
频率量测功能
Operating Principle |
Reciprocal Counting Method |
Display Digits
|
Full 5 digits display on each frequency
|
Display Range |
10.000Hz to 100.00KHz |
Display Resolution
|
1mHz to 10Hz
|
Display Accuracy |
± (0.006%+5d)
|
Frequency Range
|
10Hz to 100KHz
|
Measurement Range |
5% to 100% of Rated Range
|
计算功能
Item |
Wrms |
VA |
VAR
|
PF
|
Computation |
W
|
VA=V*A
|
VAR=
|
PF=W/(V*A)
|
Computation Range |
Depends on the Selected
V and A Range
|
-1 to 0 to 1
|
||
Computation Accuracy |
----
|
±0.05% of VA Range
|
±0.05% of VA Range
|
±0.001
|
Maximum Display |
9999
|
9999
|
9999
|
±1.000
|
**下列功能只支援 2017/18/19
Display Scaling Function |
Reassign Ratio: 0.0010 to 1000.0 |
Significant Digits | Selected Automatically According to Significant Digits in the Voltage and Current |
Averaging Function | Display Computing Average (Fixed 3 Measured) |
Compare Function | Independent Compare with HI/GO/LO LED Display for Each Display |
一般规格
Interface |
Standard RS-232C Interface |
Power Supply |
AC 115V/230V±10%, 60Hz/50Hz Switch Selectable |
Warm-up Time | Approx. 30min. |
Operation Humidity / Temperature Range | 80% R.H. (+5℃ ~ 30℃), 50% R.H. (+31℃ ~ 40℃) |
Storage Temperature / Humidity Range | -10 ~ 70℃, <80% R.H. |
Accessories |
Power Cord x 1, Operation Manual x 1 |