2014 可程式多功能瓦特表一般解析度机种

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。本系列数位瓦特表具有3个电压档位，3个电流档位，及9个瓦特档位，适当的解析度与最合理的价位是你最佳的选择。

．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2011, 2014, 2015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

Item	Voltage	Current
Input Circuit Type	Resistive voltage divider	Shunt input
Rated Input (range rms)	2011/15: 30/300/600V 2012/14: 20/200/600V	2011: 30mA/300mA/3A 2012/14: 200mA/2A/20A 2015: 500mA/5A/50A
Input Impedance	Approx. 1MΩ	2011: Approx. 66.7 mΩ 2012/14: Approx. 10mΩ 2015: Approx. 4 mΩ
Max. Input (at 50/60Hz)	600Vrms	2011: 3Arms/ 9Apeak 2012/14: 20Arms / 50Apeak 2015: 50Arms/125Apeak
Range Selection	2012 : Auto Range, 2011/14/15 : Manual or Auto with LED Indicated
A/D Conversion	4 1/2 Digits ADC
Input Filter	2012 : None, 2011/14/15 : 1KHz low pass Filter
Input Terminal	2011/12/14: Screw Terminal, 2015: Binding Post Terminal

Item	Voltage / Current	Effective Power
Frequency Range	2011/12: 10Hz to 20KHz, 2014 : 10Hz to 50KHz, 2015: 10Hz to 5KHz
Crest Factor	“3” at Rated Input
Operating Principle	Ture rms
Display Accuracy 10Hz to 45Hz 45Hz to 66Hz 66Hz to 2KHz 2KHz to 10KHz 10KHz to 50KHz	0.15% of rng + 0.2% of rdg 0.1% of rng + 0.1% of rdg 0.1% of rng + 0.1% of rdg 0.15% of rng + 0.2% of rdg 0.15% of rng + 0.2% of rdg +( 0.3%*(f-10KHz))	0.2% of rng + 0.2% of rdg 0.1% of rng + 0.1% of rdg 0.12% of rng + 0.1% of rdg 0.15% of rng + 0.2% of rdg+( 0.3%(f-2KHz)) 0.15% of rng + 0.2% of rdg +( 0.5%(f-10KHz))
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)

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

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

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

Interface	Standard RS-232C Interface on model 2011/14/15
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