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| Brand Name: | Benetech,Bestone |
| Model Number: | GT5105A |
| MOQ: | 3 |
| Price: | EXW US$52 |
| Delivery Time: | 3-5 working days |
| Payment Terms: | T/T,Western Union |
This instrument is controlled by intelligent microcontroller chip, with high accuracy and high reliability; it can be used to measure grounding resistance of various power facilities wiring, electrical equipment, lightning protection equipment and other grounding devices, and it can also measure ground voltage. (Note: This instrument is not suitable for harsh outdoor environmental conditions, such as raining, lightning, etc.)
1.Measurement range and measurement error (under condition of 20℃ + 5℃and≤75%RH)
| Basic Function | Range | Accuracy | Resolution |
|---|---|---|---|
| Ground Resistance | 20Ω | ±(2%+10) | 0.01Ω |
| 200Ω | ±(2%+3) | 0.1Ω | |
| 2000Ω | ±(2%+3) | 1Ω | |
| 2000Ω(two wires) | ±(2%+5) | 1Ω | |
| Ground voltage | 200V | ±(2%+5) | 0.1V |
auxiliary grounding resistance 500Ω;Error + 5% ;Grounding voltage ≤10V AC
2. Application standard:
IEC61010-1 CAT.11 600V Pollution degree 2;
CAT.15000VPollution degree 2;
IEC61326-1(EMC standard);
IEC 60529(IP40)
3. measurement method:
(1)Ground voltage measurement:average response;
(2)Groundresistance measurement: test signal frequencyabout 820Hz,current: 20Ω about 3.2mA.
4. Working environment: temperature: 5°C~ 40°C; relative;
humidity:≤80~RH (no fog)Altitude≤2000 meters.
5. Storage conditions: temperature:-20~60 °C; relative;
humidity:≤70% RH (no fog).
6. Power supply: 9V power supply [1.5V (No. 5 alkaline battery)* 6]
7. Overload protection:Groundresistance:200VAC(10 seconds);
Ground voltage:400VAC(30 seconds).
8. Insulation resistance:The insulation resistance betweenmeasurement circuit and case is not less than 20MΩ.
9. Dimensions:176mm*77mm*110mm.
