產(chǎn)品簡介?

NAVAT全自動互感器校驗裝置，是一種新穎的自動化檢測儀器，它運用**的電子技術(shù)，對互感器的誤差信號直接采極分解，并經(jīng)適當運算后，將互感器的百分點、同相誤差、正交誤差同時以數(shù)字量顯示出來。NAVAT互感器校驗儀操作簡便，讀數(shù)直觀，測量迅速，能降低電能消耗，減輕勞動強度；體積小，重量輕，便于攜帶和現(xiàn)場測試；儀器能在5%定額工作電流（電壓）下進行測試；另外要求南澳電氣（武漢）有限公司也能生產(chǎn)檢測S級電流互感器和二次電壓為100/3V的電壓互感器校驗儀，此時儀器能在1%額定工作電流下測量電流互感器的誤差；在檢測過程中儀器能方便地隨時進行自校，以保證儀器的精度；關(guān)鍵元器件使用進口組件，質(zhì)量穩(wěn)定可靠，廣泛用于計量、供電等部門和互感器生產(chǎn)廠家，是開展互感器檢測的理想儀器。

產(chǎn)品別名

互感器校驗儀、互感器現(xiàn)校儀、全自動互感器校驗儀、全自動電流互感器校驗儀、全自動電壓互感器測試儀、互感器現(xiàn)場校驗儀、電流互感器現(xiàn)場校驗儀、電壓互感器現(xiàn)場校驗儀

產(chǎn)品特性

⑴采用320×240點陣液晶，可視范圍大，帶長壽命背光照明，方便使用；

⑵中英文操作界面，界面美觀；

⑶百分表、比差、角差采用特大字體顯示，方便用戶觀測；

⑷完全滿足JJG314-1993和JJG314-1994要求，自動采樣；

⑸自動判斷極性錯誤，變比錯誤；

⑹上位機軟件具有虛擬儀器開放功能；

⑺徹底解決S級測量問題；

⑻自動切換量程；

⑼采用**獨特電路和DSP技術(shù)完美結(jié)合，徹底解除阻容移相電路不穩(wěn)定的問題。

⑽功耗：＜ 15VA（不帶微型打印機）

??????＜ 25VA（帶微型打印機）

⑾諧波抑制比:＞40db

⑿外形尺寸：260mm（長）×350mm(寬)×150mm（高）

⒀ 重量：6KG

產(chǎn)品參數(shù)?

1、設(shè)備使用環(huán)境

⑴溫度:5℃--40℃相對濕度:<80%(25℃)海拔高度:<2500m

電源頻率:50Hz±0.5 Hz電源電壓:220V±5V

⑵ 測量范圍:

同相分量(%): 0.0001～200.0分辨率:0.0001

正閃分量(分):0.001～700.0分辨率:0.001

阻抗(Ω): 0.0001～20.0分辨率:0.0001

導納(ms)：0.0001～20.0分辨率:0.0001

⑶基本誤差:

同相分量:ΔX=±（X×2%＋Y×2%±Dx）(有1級可選)

正交分量:ΔY=±（X×2%＋Y×2%±Dy）(有1級可選)

“X”、“Y”——儀器的顯示值

“Dx,Dy”——儀器的量化誤差

?Dx=2,Dy=5

⑷百分表: 1.5級(有1級可選)

2、工作范圍：

⑴電流 ：（1%－149%）In（In =5A）

（5%－149%）In（In =1A）

⑵電壓：（5%－149%）Un（Un=100V，150V，100V/）

（5%－149%）Un（Un =100V/3）

3、工作負荷：

⑴電流：TO對TX＜0.12ΩcosΦ=1

⑵電壓：a對x＜0.25VA（100V）

4、極性錯誤指示

額定工作電流（電壓）的5%以上，誤差超過180%時，應對如極性指示。

注意：如果大于額定工作電流（電壓）的10%以上，仍未出現(xiàn)應有的極性指示，說明有故障，請不要再增加電流（電壓），以免燒壞儀器。

5、變比錯誤指示：

額定工作電流（電壓）的5%以上，誤差超過30%而小于180%時，應有變比錯誤指示。

6、絕緣和耐壓試驗及說明：

端子TX（〨）端子相通

電源插座對外殼能承受1.5kV,1min耐壓

7、互感器校驗儀主要特點：

⑴采用320?x 240點陣液晶，可視范圍大，帶長壽命背光照明，方便使用；

⑵中英文操作界面，界面美觀；

⑶百分表、比差、角差采用特大字體顯示，方便用戶觀測；

⑷完全滿足JJG314-1993和JJG314-1994要求，自動采樣；

⑸自動判斷極性錯誤，變比錯誤；

⑹上位機軟件具有虛擬儀器開放功能；

⑺徹底解決S級測量問題；

⑻自動切換量程；

⑼采用**獨特電路和DSP技術(shù)完美結(jié)合，徹底解除阻容移相電路不穩(wěn)定的問題。

⑽功耗：＜ 15VA（不帶微型打印機）

????????＜ 25VA（帶微型打印機）

⑾諧波抑制比:＞40db

⑿外形尺寸：260mm（長）×350mm(寬)×150mm（高）

⒀ 重量：6KG

Product introduction

It is a new automated testing equipment, it uses advanced electronic technology, the transformer is taken directly polardecompositionof the errorsignal, and after appropriate after the operation, the transformer points, phase error , quadrature error in the digital display. NAVAT?transformer calibrator issimple, intuitivereadings,measure quickly, can reduce energy consumption, reduce labor intensity; small size, light weight, easy to carry and field testing; instrument can be fixed at 5% Operatingcurrent (voltage)undertesting; some old users?asked Nanao Electric Wuhan Co., Ltd.?produce this new generator testers, which can detect S-class current transformer and the secondaryvoltage of thevoltagetransformer calibrator 100/3V, then 1% of the rated instrument can measure the current transformer operating current the error; instrument in the detection process can be easilycarried fromtheschool at any time to ensure the accuracy of the instrument; critical components using imported components, stable and reliable quality, widely used in metering, power supply andotherdepartmentsand transformer manufacturers, is to carry out transformer testing the ideal instrument.

Also called?name

Transformer tester, PT calibrator, CT calibrator

The Characteristics of the products

1. Use 320x240 dot-matrix LCD, with wide station visual zone and long life back lighting, easy to use.

2. With beautiful appearance.

3. Percentage, ratio, phase-angle difference displayed in big characters, convenient for customers to test.

4. Meets JJG314-1993 and JJG314-1994,automatically sample.

5. Automatically detect the polarity and ratio error.

6. The soft ware of the upper-computer with the function of virtual instrument.

7. Solve the problem of S degree measurement.

8. Automatically change the measurement distance.

9. Use advanced, special circuit and DSP technique, solve the problem of instability of resistor-condenser &phase-shiftedCircuit

10. Power consumption: < 15VA(without micro printer)

???????????????????????<25VA(with micro printer)

11. Harmonic Reduction:> 40db

12. Dimension:260mm×350mm×150mm

13. Weight:6kg

The parameters of the products?

1. service condition

???(1)temperature:5℃--40℃??humidity:<80%(25℃) ?

???????altitude:<2500m

???????power frequency:50Hz±0.5 Hz???supplyvoltage:220V±5V

???(2) measurement range:

???????co-phase component(%):0.0001～200.0?????????????????

???????resolution: 0.0001

???????orthogonal component: 0.001~700.0????????resolution:0.001

???????resistance(Ω):0.0001~20.0??????????????resolution: 0.0001

???????admittance(ms):0.0001~20.0?????????????resolution: 0.0001

???(3) intrinsic error:

???????co-phasecomponent:??ΔX=±(X×2%＋Y×2%)±Dx(1degreeoptional)

???????orthogonalcomponent:ΔY=±(X×2%＋Y×2%)±Dy (1degreeoptional)

????????????????????????????“X”,“Y”——displayofthedevice

????????????????????????????“Dx,Dy”——the quantization errorof the device

?????????????????????????????Dx=2,Dy=5

???(4) dial indicator: ?????2 degree (1degree optional)

2. working range:

??(1) current:(1%－149%)In ???(In =5A)

??????????????(5%－149%)In???(In =1A)

??(2) voltage:(5%－149%)Un???(Un=100V，150V，100V/ )

??????????????(5%－149%)Un???(Un =100V/3)

3. working load: ?

??(1)current:TO-TX＜0.12Ω??????cosΦ=1

??(2) voltage:a-x＜0.25VA ???????(100V)

4. polarity error indication

There should be polarity error indication when the working current (voltage) exceeds 5% of the rated current (voltage) , or theerrormore than180%.

Note: if there was not indication when the working current (voltage) is more than 10% of the rated current (voltage), pleasestopincreasing thecurrent (voltage ), to avoid burn the device.

5. ratio error indication:

There should be ratio error indication when the working current (voltage) exceeds 5% of the rated current (voltage) , or the errormorethan 30% butless than 180%.

6. explanation for insulation and withstand tests: ?terminal TX connects to ( )terminal

?the outlet can bear the shell 1.5kV, 1.5min withstand voltage.

7, transformer calibrator main features:

⑴ use 320 x?240 dot matrix LCD, visible range, with a long-life back?light, easy to use;

⑵ English?user interface, attractive interface;

⑶ dial indicator, ratio difference, angle difference using large font display, user observation;

⑷ fully meet JJG314-1993 and JJG314-1994 requirements, automatic sampling;

⑸ automatically determine the polarity of the error, ratio error;

⑹ PC software with virtual instruments open function;

⑺ completely solve the S-class measurement problems;

⑻ auto?ranging;

⑼ unique circuitry and advanced DSP technology combine to completely remove the RC phase shifter circuit instability.

⑽ power consumption:<15VA (without micro-printer)

<25VA (with micro-printer)

⑾ harmonic rejection ratio:> 40db

⑿ Dimensions: 260mm (length)×350mm (W)×150mm (height)

⒀ Weight: 6kG