1.1 Introduction
APVA-402 is a special instrument for testing characteristic of CT and PT .The tester can finish CT/PT transformation ratio test, CT/PT polarity test, volt-ampere feature curve drawing and CT error drawing. It has large output, high precision,stable performance and automatic testing.
1.2 Funtion
1 CT/PT transformation ratio test
2 CT /PT polarity test
3 CT /PT volt-ampere feature curve measurement
4 CT ratio error measurement
5 Error curve measurement
6 Result print
7 Unload data to PC
8 PC online test .
Features:
Widely applied in ground resistance measurement, loop resistance measurement
With optional function of RS232 interface data upload
No need to disconnect the ground wire from the ground net
Without auxiliary electrode
High accuracy and resolution
With data memory
Automatic power off
Specifications:
Clamp size: 65 x 32mm
Resistance range: 0.01 to 1,200ohm;
With automatic shifting
Resistance resolution: 0.001ohm;
Data memory: 99 sets
Alarm setting: 1 to 199ohm; and buzzer alarm
Quick boot: in 0.5 second
With lower consumption.
Earth Resistance Tester:
Model: ETCR2100+(basal)
Category: Ground Resistance tester
Earth Resistance Tester (ETCR2100+)-Illustration:
ETCR 2100+ of Pincers Earth Tester, in the measurement of a grounding system with loop current, does not require breaking down the grounding wire, and need no auxiliary electrode. It is safe, fast and simple in use.
1.Wider range: 0.01Ñ+-1200Ñ+
2.Stored data: 99 groups.
3.Resistance Resolution: 0.01Ñ+
4.Size of Jaw: ¬¬32ú¿mmú¬
5. Sound and light alarm, "beep - beep - beep -" alarm sound.
6. Breakthrough in self-test the boot a long time to wait, start immediately into the test.
7. Breakthrough relay self-test mode, using the most advanced processing algorithms and digital integration technology, a fully intelligent.
8. Break the old product to heavy issues, more in line with characteristics of handheld devices.
9. The new design, panel 6 button operation, the performance through.
10. Lower power consumption: Maximum operating current not exceeding 50mA.
1.1Product Introduction
Apva-401 is a special instrument for testing characteristic of ct; the tester can finish ct transformation ratio test, ct polarity test, volt-ampere feature curve drawing and ct error drawing. It has large output, high precision, stable performance and automatic testing.
1.2 Funtion
1 ct transformation ratio test
2 ct polarity test
3 ct volt-ampere feature curve measurement
4 ct ratio error measurement
5 error curve measurement
6 result print
7 unload data to pc
8 pc online test .
Current transformer field tester was developed with high-end testing technology, large-scale electronic circuit design and accord with national related protocol . It has solved the problem of big working intensity,trival operation while on-site test of current transformer, voltage transformer. Meanwhile the product has a reliable performance,and the function is strong.
Technical index
Test range: 5A5A~25000A5A or 5A1A~5000A1A
Tested current transformer work scope: 1% 120%
Second load 2.5 VA 300VA, COS 0.8 1.0
Be tested current transformer accuracy range 1.0, 0.5, 0.5 S, 0.2 and 0.2 S
Resistance, admittance measurement errors 5.0%
Measurement range R 0.00 ~20.0 Y 0.000mS~100.0 mS
Power consumption 20 VA
Accuracy level 0.05 S level
Shape dimension mm 460 L 375 W 183H
Weight kg 10
Feature
HCCT-H Current Transformer Field Tester with recursive method to measure current transformer error, as well as potential difference method to measure voltage transformer error function, convenient for carrying out calibration work of field metering device.
HCCT-H Current Transformer Field Tester without using Standard Current Transformer, Current Source, Load Box, Double Adjustable Control Box and Primary cable, using extremely simple test connection and operation to realize the current transformer test, greatly reduce work intensity and improve the work efficiency, convenient to carry out current transformer field test work.
ETCR 2000C
*Accurate ground resistance measurement from 0.01to 1000Ohms
*current measurement including leakage current
*Accurate readings regardless of power quality in 1 seconds
*Simple and easy to use, no test leads or auxiliary electrodes necessary
*Data logging capability - 50 records
*Individual data point recording
*User selectable audible alarms
*Auto power off
*Low battery indicator
*Large LCD display
