UNI-T UT273+ Clamp Earth Resistance Tester
The UNI-T UT273+ Clamp Earth Resistance Tester measures earth resistance non-invasively, offering high accuracy and a wide range for safe, efficient testing.
15,165.00 EGP
On backorderSKU 6935750527320
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UNI-T UT273+ Clamp Earth Resistance Tester
The UT273+ Clamp Earth Resistance Tester is used for earth resistance test. This meter uses an EBTN screen with a dual display function (the resistance & current displayed). It also has functions such as a real-time clock, data storage, data review, alarm, and automatic shutdown.
The tester is characterized by its aesthetic appearance, wide range, high resolution, easy operation, portability, stable performance, and strong ability to resist interference. It is a good tool for electrical engineers.
Features:
- Earth resistance test (0 ~ 600Ω)
- Current test (0 ~ 20A）
- Large black screen (32mm)
- Large jaw size
- Strong anti-interference
- Alarm function
- Data storage (500 sets)
Specifications:
| Specifications | Range | Accuracy |
| Earth resistance (Ω) | 0.010Ω-0.199Ω | ±（1%＋0.02Ω） |
| 0.20Ω-1.99Ω | ±（1%＋0.05Ω） | |
| 2.0Ω-49.9Ω | ±（1%＋0.5Ω） | |
| 50.0Ω-99.5Ω | ±（1.5%＋1Ω） | |
| 100Ω-199Ω | ±（2%＋2Ω） | |
| 200Ω-395Ω | ±（5%＋5Ω） | |
| 400-590Ω | ±（10%＋10Ω） | |
| 590Ω-600Ω | ±（20%＋20Ω） | |
| Current (AC) | 1.00mA -9.99mA | ±（2.5%＋1mA） |
| 10.0mA -99.9mA | ±（2.5%＋5mA） | |
| 100mA -999mA | ±（2.5%＋10mA） | |
| 1.00A-9.99A | ±（2.5%＋0.2A） | |
| 10.0A-20.0A | ±（2.5%＋0.5A） | |
| Features | ||
| Jaw size | 55mm×32mm | |
| Timer | √ | |
| Sample rate | 1 time/s | |
| Screen | 4 digits EBTN screen | |
| Data transmission | √(USB cable) | |
| Data storage | 500 set | |
| Anti-interference | √ | |
| Overload protection | √ | |
| Alarm function | √ | |
| Battery state indication | √ | |
| Auto power off | √ | |
| Overvoltage category | CAT III 300V, CAT IV 150V | |
| Certificates | ROW | |
| General Characteristics | ||
| Standard accessories | User manual, AA alkaline 4pcs, calibration loop, USB cable(data transmission), tool box | |
| Screen size | 46mm×36mm | |
| Product dimension | 285mm×85mm×58mm(L*W*H) | |
| Product net weight | 1180g(batteries included) | |
Applications:
- Earth resistance measurement in grounding systems.
- Loop resistance testing without disconnecting ground lines.
- Grounding network diagnostics in electrical installations.
- Interference monitoring and alarm-triggered safety checks.
Package Contents:
- 1x UT273+ Clamp Earth Resistance Tester unit
- 4x AA alkaline battery (SV)
- 1x Calibration loop
- 1x USB cable (for data transmission)
- 1x User manual
- 1x Tool box (packaging)
- 1x Gift box
Documents:
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