南澳电气 NABZ全自动CT变比测试仪 **采用电压测量法，体积小重量轻，便携

项    目

参    数

工作电源输入

AC220V/50Hz

变比测量范围

5A/5A------25000A/5A

5A/1A-------5000A/1A

电磁式电压互感器全系列

测量精度

0.2%

体    积

280mm*220mm*120mm

重    量

2Kg

Function

High and low voltage secondary circuit of a current ratio, polarity , phase types, leakage current online monitoring ;transformersidesthe current size , ratio -line monitoring

Power source

 DC6V alkaline batteries (1.5V AAA × 4) approximately 30 hours of continuous work

Test methods

Clamp CT

Transmission

Wireless transmission, transmission distance of about 30m straight line

Display Mode

LCD: 128dots × 64dots; blue backlight function , suitable for dark places

LCD Size

Display field : 44mm × 27mm

Meter size

Host : width height thickness 75mm × 170mm × 30mm
Voltage tester : width height thickness 76mm × 255mm × 31mm
Low Current Clamp : Width height thickness 63mm × 160mm × 23mm

Jaw size

 Voltage tester : φ48mm
Low current clamp : φ30mm

Sampling rate

2 times / sec

Measuring range

High voltage detector : 0.0mA ~ 1000A
Low Current Clamp : 0.00mA ~ 10A

Resolution

High voltage detector : 0.1mA; Low Current Clamp : 0.01mA

Gearshift

Automatic gearshift

Primary circuit test accuracy
23 ℃ ± 3 ℃, below 80% RH

0.0mA～10.0A:       ±1%±5dgt 

10.0A～49.9A:      ±2%±5dgt 

50.0A～199.9A:     ±3%±5dgt

200A～600A:        ±4%±5dgt   

601A～1000A:       ±5%±5dgt  

Secondary circuit test accuracy
23 ℃ ± 3 ℃, below 80% RH

0.00～10A:  ±1%±5dgt

Ratio

Three kinds of variables than the display : ( a secondary circuit measured current ratio ; commuted to the secondary circuit 5A ratio;tothe 10kV-YY transformer 10kV/380V commuted ratio ) , the maximum ratio of 1:1 ten million ( 1.0K7)

Data storage

3000 groups , press the HOLD key to keep the data and numbered storage automatically (not affact by replace the battery orasuddenbrownout)

Line Voltage

The following 60kV line test ( must be insulated with 5 lever operation )

Data Hold

Press HOLD to hold the data , HOLD symbol is displayed , press the HOLD button to cancel maintained

Data checking

Press HOLD + POWER key to enter the Data Recall Mode

Overflow Show

Overrange overflow function : "OL A" symbol is displayed

No signal indication

When the host transmits a signal is not received prompt " No Signal"

Automatic shutdown

About 15 minutes after the start , the meter will automatically shut down

Battery voltage

When the battery voltage is lower than 4.8V, low battery symbol appears , replace the battery alert

Instrumentation quality

Host : 240g ( with battery )
High voltage detector : 335g ( with battery )
Low current clamp : 170g
Instrumenttotal mass : 2.8Kg ( including insulation rod and battery )

Outside interference

No particularly strong electromagnetic fields ; without 433MHz, 315 MHz co-channel interference

Working temperature and humidity

-25℃～45℃；below 80%Rh

Storage Temperature and Humidity

-10℃～60℃；below 70%Rh

Insulating rod dimensions

φ32mm, 1m / section ( 5 standard ) , can be extended .

Low current clamp wire length

 Standard 2 m ( distance can be lengthened according to the site )

Dielectric Strength

High voltage detector : AC100kV/rms ( Section 5 insulating rod with high current clamp clamp core )
Host and low-voltage current clamp : AC1000V/rms

Structure

Drip Ⅱ type ( high voltage detector )

Safety Rules

IEC1010-1, IEC1010-2-032, Pollution degree 2, CAT Ⅲ (600V),IEC61326(EMC standard )

Accessories

Clamp : 1 ; Receiver: 1 ; current clamp : 1 ; Disc : 1 ; RS232 communication cable : 1 ; meter box : 1 ; insulating rod ( 1 m ) :5;batteries (LR03) : 8