Product Description
OLTC On Load Tap Changer Tester can record switch operation waveform in overall process. The longest time is 6.4s.
OLTC On Load Tap Changer Tester can test various parameters such as transition waveform, transition time, transition resistance and three phase synchronization one time and analyze results automatically.
OLTC On Load Tap Changer Tester has power-off protection, over-voltage protection, perpetual clock and high-speed printing.
Product Parameters
Item Name |
OLTC On Load Tap Changer Tester |
Three phase constant current source charge |
Three phase constant current source charge |
Maximum voltage of the port |
24V |
Maximum range of transition resistance |
100Ω |
Measuring range |
1A: 0.4Ω~20Ω 0.2A: 10Ω~100Ω |
Record time of waveform |
300ms |
Sample rate |
30k |
Resolution of time |
0.1ms |
Resolution of resistance |
0.1Ω |
Accuracy of transition resistance |
±5% Reading±0.1Ω |
Accuracy of transient time |
±0.5% Reading±0.2mS |
Temperature |
-10-40°C |
Humidity |
<85%RH |
Functions
Test transformers of type Y0 Y Δ and display resistance value directly.
Automatically adjust resistance value and time range according to sampling data.
Be able to test with winding or without winding.
Four terminal connection mode and provide high accuracy of resistance measurement.
Continuous test to save time of power off.
800×480 colorized LCD with touch screen and high speed printer.
Automatically analyze waveform fault and mark the fault.
Transformer type Δ is able to display to synchronization status of three phase.
Make word report.
Store 1000 groups of data and also can be saved by USB flash disk.
Packaging & Shipping
- Packing: The tester is packed in veneer case to protect the tester during shipping.
- Shipping Method: AC DC Hipot Teter can be shipped by Sea only, because there is much oil in the transformer, other testers can be shipped by Express, Air and Sea.
Our Advantages
1. High Quality Product: Most equipment have been on sale for more than 10 years, they are stable, reliable, with high quality and good reputation. All the products have been tested, run well and adjusted to good condition before delivery.
2. Good Faith Cooperation: Honesty is our foundation, we don't brag about the company and products, seek truth from facts, and don't make random promises.
3. Innovative Technology: Based on full experience in designing and manufacturing these equipment, and with users' feedback, we continuously improving our equipment and developing new products.
4. Awesome Service: Provide professional advice and reasonable offers within 2 hours at working time, and within 12 hours at non-working time. One year warranty for all the products, life time technical consulting, life time provision of spare parts, free software upgrades.

After Sales Service
1. Warranty period for all products is One year;
2. Within warranty period, all quality problems of the instrument shall be repaired by our company free of charge;
3. Beyond warranty period, our company shall be responsible for life-time maintenance, only the cost of the accessories will be charged;
4. User manual will be sent with the tester, some testers have demo for review.
5. If users have question on operation, we supply on-line video training. Users can also come to our factory to get free training.