
UNI-T UT521 Digital Earth Ground Resistance Tester
Prices updated: 13 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
Makers Electronics | UNI-T UT521 Digital Earth Testers | 6,895 EGP | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 6,895 EGP
About this product
The UNI-T UT521 is a digital earth ground resistance tester that uses a microcontroller to measure the earthing resistance of electrical installations and lightning protection systems. It also measures earth voltage and stores up to 20 sets of data.
Specifications
- Measurement
- Earth ground resistance (3-wire method)
- Earth voltage
- Yes
- Data logging
- 20 sets
- Display
- LCD with backlight
- Auto power-off
- Yes
- Battery check
- Yes
Frequently asked questions
What is the price of UNI-T UT521 Digital Earth Ground Resistance Tester in Egypt?
UNI-T UT521 Digital Earth Ground Resistance Tester currently costs 6,895 EGP in Egypt.
Where can I buy UNI-T UT521 Digital Earth Ground Resistance Tester in Egypt?
UNI-T UT521 Digital Earth Ground Resistance Tester is available from Makers Electronics. Compare the offers above to find the best price.
Can I use it outdoors in wet weather?
No. The manufacturer says it should not be used in outdoor hazardous conditions such as rain or thunderstorms.
What is the 3-wire method?
The 3-wire method uses the tester with two auxiliary earth probes placed in the ground at set distances from the electrode under test, so the tester can measure the resistance of the earth electrode.






