2012 可程式多功能瓦特錶一般解析度機種

不論在評估或量測一般家電、辦公室自動化設備或工業用設備上的電源轉換、傳輸效率或功率量測，彈性與人性化的設計使你的使用上得心應手。本系列數位瓦特錶具有3個電壓檔位，3個電流檔位，及9個瓦特檔位，適當的解析度與最合理的價位是你最佳的選擇。

．基本+/- 0.1%的準確度
．電壓、電流與瓦特皆為True RMS 量測
．電壓及電流具有手動或自動的換檔功能，及自動換檔之頻率量測
．使用4 1/2位類比數位轉換器為基準，提供高準確度、高解析度及高穩定度的量測
．使用3個多工的顯示器，可依所需來選擇，且均可選擇所有的量測功能(Wrms, Arms, Wrms, PF, VA, VAR, Hz)
．具有電壓三段、電流三段及瓦特九段的輸入檔位選擇
．自動保存關機前之設定狀態，開機後自動回復原先設定
．輸入電流峰值超過檔位警告

下列功能只支援2011, 2014, 2015機種
．具有PT與CT比例乘算功能(0.0010 至 1000.0之間)
．各顯示器皆具有獨立的比較器功能設定
．具有面板功能設定的儲存與喚回功能
．具有顯示頻均功能
．顯示保留功能
．提供標準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