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The rapid development of modern industry, the insulation test of high-voltage equipment puts forward higher requirements, and the traditional measurement methods will face severe tests. With the large-scale application practice of optical fiber in intelligent substation, HM2306 10KV insulation resistance tester has good insulation and anti-interference ability, high measurement accuracy, easy miniaturization, and extremely low failure rate, which has received extensive attention. It is widely used to solve the evaluation of electrical insulation quality of large high-voltage transformers, electric motors, generators, long-distance power cables and tubular busbars under high-voltage substation and power plant on-site strong interference.
2.Technical specifications
Safety specifications
-IEC 61010-1 CAT.IV 600V pollution level 2
-IEC 61326, EMC specification: electrical equipment for testing, control and inspection
-IEC60529 IP64 (outer box closed state)
The instrument is in line with international safty standards IEC610101:2001.
This instrument performs standard Q/WKD10.
-Insulation resistance: 50 MW (between line and shell)
-Withstand voltage: AC, 10kV, 50Hz, 1min (measuring line and shell)
-Temperature and humidity: -30ºC ~ +60ºC 85%RH
-Storage temperature & humidity: -15ºC ~ +55ºC 90%RH
-Battery powered: two group battery charging together, 16V lithium ion rechargeable battery 2600mAH ,7.4v 2200mAH or charging side measurement.
Power charge:220V±10%,50/60HZ
-Size : 38.5. x 29.8. x 19.6.
-Weight: 4.5kg
-5.7inch screen display, resolution: 320*240
-Display mode: digital and analog pointer double display
3.Measurement accuracy
| Rated voltage(kV) | 0.25,0.5,1,2.5,5 | ||
| Measurement voltage(kV) | Rated voltage×(1±10%), The load resistance is not less than 1% of the test range | ||
| Minimum error is 5% RDG range |
(0.001~100)GW/5kV (0.001~200)GW/2.5kV (0.001~50)GW/1kV (0.001~20)GW/0.5kV (0.001~5)GW/0.25kV |
(0.001~100)GW/10kV (0.001~200)GW/5kV (0.001~200)GW/2.5kV (0.001~100)GW/1kV (0.001~20)GW/0.5kV |
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| Maximum error is 10 % RDG range |
(100~200)GW/5kV (5~10)GW/0.25kV |
(100~200)GW/10kV (100~200)GW/5kV |
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| Maximum error is 20 % RDG range |
(200~1000)GW/5kV (200~500)GW/2.5kV (100~200)GW/1kV |
(200~1000)GW/10kV (200~1000)GW/5kV (200~500)GW/2.5kV (100~200)GW/1kV |
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| Output short circuit current | ≥8mA | ≥8mA | |
| Absorption ratio,Measurement range of polarization index | Measurement range: 0.01 ~99.99 Maximum error: ±(1%RDG+1d) |
Measurement range: 0.01 ~99.99 Maximum error: ±(1%RDG+1d) |
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| Output voltage display error | ±(3%RDG + 1d) | ±(3%RDG + 1d) | |
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