China China High Quality insulation resistance testing of cables Exporters – GD3126A (GD3126B) Insulation Resistance Tester 5kV/10TΩ (10kV/20TΩ) – HV Hipot Manufacture and Factory

China High Quality insulation resistance testing of cables Exporters – GD3126A (GD3126B) Insulation Resistance Tester 5kV/10TΩ (10kV/20TΩ) – HV Hipot

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China High Quality insulation resistance testing of cables Exporters – GD3126A (GD3126B) Insulation Resistance Tester 5kV/10TΩ (10kV/20TΩ) – HV Hipot Detail:

General Information

GD3126A (GD3126B) Insulation Resistance Tester is widely used in maintenance of electrical equipment in transformer substation, power plant, etc. It is suitable for carrying out measurement of insulation resistance (IR), absorption ratio (DAR), polarization index (PI), leakage current (Ix) and absorption capacitance (Cx) of all kinds of high voltage equipment, including switchgear, transformers, reactors, capacitors, motors, generators and cables, etc.

Features

● Adopts microcomputer control, menu operation and large LCD screen dot matrix display with stable performance.
● Strong anti-interference ability, suitable for measuring in strong electromagnetic interference environment.
● Large capacity, can meet the requirements of high voltage, high resistance, large capacity load test.
● With shockproof, moisture-proof and dust-proof structure, adapt to the harsh working environment.
● User friendly, display accurate results and data change trends.
● Perfect protection function, able to withstand impact of short circuit and the measured capacitance residual voltage.
● 5 voltage output steps of 250 V, 500V, 1.0kV, 2.5kV, 5.0kV.
● 6 voltage output steps of 250 V, 500V, 1.0kV, 2.5kV, 5.0kV, 10kV. The high voltage of each step is continuously adjustable from zero.
● Output high voltage can also be continuously adjusted.
● Automatic measurement of R15, R60, R600, automatic calculation of absorption ratio, polarization index.
● Maximum resistance measurement range is 0~10TΩ (0~20TΩ), automatic switching range.
● Automatic measurement of ambient temperature, air humidity and test time.
● Displays the test time, buzz tips at every 15 seconds, 5 minutes without operation will prompt shutdown.
● Automatically discharge high voltage after measurement is completed, the discharge time is no more than 30 seconds.
● Storage of 60 groups of measuring results, nonvolatility for 20 years..
● With RS232 serial interface, able to data communicate with computer.
● With external printer, can print measuring results. (optional)
● The voltage of the charged sample is shown before testing and has relevant hints.
● Preset test time, automatically stop measurement;
● Able to detect leakage current Ix and absorption capacitance Cx.

Specifications

Rated test voltage steps				GD3126A (5kV) GD3126B (10kV)
				250V, 500V, 1.0kV, 2.5kV, 5.0kV, 10kV
Output voltage error				±5%
Resistance range	Upper limit			500GΩ～10TΩ
	Lower limit			0.1MΩ
Accuracy class				5.0 class
High voltage display error				±( 5%•Ux + 1digital )
Leakage current Ix measuring range & error				0.1nA~9.9mA 5%
Absorption capacitance Cx measuring range & error				0.1pF~99ɥF 5%
Temperature measuring error				±0.5℃
Humidity measuring error				±2%RH
Short circuit current				<6mA
Voltage ripple				<3%
Test time				Up to 99 minues
Insulation resistance				> 500 MΩ (between test wire and case)
Withstand voltage				AC10.0kV 50Hz 1min (between test wire and case)
Power supply				12V lithium battery
Battery service time after one charging				30days 10times DAR & 5times PI test per day
Working temperature and humidity				0℃ ~ + 40℃ < 85%RH
Storage temperature and humidity				- 20℃ ~ + 50℃ < 90%RH
Power Supply				220V AC 50Hz
Dimension (mm)				325 (L)250(W)130(H)
Weight				3.7kg
Resistance measuring error
Voltage steps		250 V	500 V	1.0 kV	2.5 kV	5.0 kV	10KV
±( 3%·Rx + 1d )		1GΩ	2GΩ	4GΩ	10GΩ	20GΩ	40GΩ
±( 5%·Rx + 1d )		10GΩ	20GΩ	40GΩ	0.1TΩ	0.2TΩ	0.4TΩ
±( 10%·Rx + 2d )		100GΩ	200GΩ	0.4TΩ	1TΩ	2 TΩ	4TΩ
±( 25%·Rx + 2d )		500GΩ	1TΩ	2TΩ	5TΩ	10TΩ	20TΩ

GD3126A (GD3126B) Packing List

Insulation resistance tester	1 set
Test connecting cable for L terminal (Red)	1 root (1 piece)
Test connecting cable for G terminal (Green)	1 root (1 piece)
Test connecting cable for E terminal (Black)	1 root (1 piece)
3APower adapter (For printer power supply and instrument charging）	1 piece (1 piece)
RS232 Serial communication line	1 root (1 piece)
User’s guide	1 copy (1 piece)
Test Report	1 copy (1 piece)

Packing List

Panel Structure
1. L terminal socket 2. G terminal socket 3. E terminal socket 4. LCD screen
5. Buzzer 6. Temperature & humidity sensor 7. ESC button 8. UP button
9. Contrast knob 10. DOWN button 11. OK button 12. High voltage adjusting knob
13. RS232 interface 14. Power switch 15. Charging socket