Dual Canopy Mechanic Electrical Engineering Co., Ltd. is one of the leading manufacturers and suppliers of sgjy-5kv insulation resistance tester 5kv in China. Please feel free to wholesale discount products for sale here and get quotation from our factory. Customized orders are welcome.
What is SGJY-5KV Insulation Resistance Tester?
The SGJY-5KV is a portable digital unit built for high-voltage field work, not just lab bench use. It puts out 500V / 1000V / 2500V / 5000V and reads up to 2TΩ, so one box covers everything from low-voltage motors to 5kV-class cables.
In practice our customers use it as a daily megger. You hook up E, G, L, press TEST for a second, and you get resistance, leakage current and capacitance on one screen. That's it..
What Are Features of This 5kV Tester?
Five voltages in one unit, no need to carry two meters.
Auto PI and DAR calculation. No manual math.
5mA short-circuit current, adjustable in 1mA steps.
Four filtering modes 0-3 for noisy substations.
Live bar-graph simulation column, easy to see trend during the test.
Fast auto discharge after cable test, no manual discharge stick.
Both AC mains and 16.8V Li-ion, about 4 hours at 5000V @ 20MΩ.
What is Benefits for Field Crews?
What we hear most from maintenance teams is stability. Even with 2mA interference current on site, the reading stays steady. The second thing is safety speed - from 5000V down to 10V it dumps at 0.55s/µF, so you can pull leads off sooner.
It weighs about 3kg, size 26x20x16cm, and the case is IP64 with lid closed. One person can carry it up a substation ladder.
Technical Specifications
| Test voltage | 500V, 1000V, 2500V, 5000V |
| Max range | 2TΩ @ 5kV |
| Accuracy 5% zone | 100k-10G @500V; 100k-20G @1kV; 100k-100G @2.5kV/5kV |
| Accuracy 20% zone | 10G-100G @500V; 20G-200G @1kV; 100G-1T @2.5kV/5kV |
| Short-circuit current | 5mA |
| Leakage current | 0-10mA, ±(5%+0.2nA) |
| Capacitance | 0-20uF, ±(15%+0.03uF) |
| Safety | IEC61010-1 CAT IV 600V, IEC61326 EMC, IP64 |
| Power | AC 220V±10% 20VA / 16.8V Li-ion |
| Dimension / Weight | 26x20x16cm / 3kg |
How to Maintain Your Tester?
Keep it dry and wipe the case with a damp cloth only. If you won't use it for months, fully charge it, then recharge within 3 months - Li-ion will sleep to death otherwise. Check leads for dirt or carbon marks before each job. If damp, dry it before storage, don't lock it wet in the case.
What You Should Know When Use It?
Never test above AC/DC 600V live circuit. Wear insulating gloves. Don't touch the device under test during or right after the run. E terminal must be grounded. For high resistance, use G terminal with guard ring to bypass surface leakage. That one step makes results far more believable.
Dualcanopy - Your Professional Insulation Tester Supplier
Hebei Dual Canopy Mechanic Electrical Engineering Co., Ltd. builds power test gear for export. We do full QC before shipment, provide English manual and video call guidance, accept OEM/ODM, and ship globally with proper export packing. Response within 24 hours on workdays.
FAQ
Q1: What test voltages are available?
A: The available settings are 500 V, 1 kV, 2.5 kV, 5 kV and 10 kV.
Q2: Does the tester calculate PI and DAR?
A: Yes. It displays both ratios during suitable timed tests.
Q3: Can the unit measure capacitance?
A: Yes. The manual lists a capacitance measurement range of 20 μF.
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