High-Efficiency Multi-Channel DC Resistance Tester for Rapid and Accurate Measurements
1.DESCRIPTION
The main difference between a multi-channel DC resistance tester and a single-channel DC resistance tester lies in the number of channels. A multi-channel DC resistance tester usually has multiple measurement channels, which can simultaneously measure the DC resistance of multiple circuits, while a single-channel DC resistance tester only has one measurement channel, which can only measure the DC resistance of one circuit. The advantage of a multi-channel DC resistance tester is that it can measure the resistance of multiple circuits simultaneously, improving the testing efficiency. It is suitable for applications that require fast and accurate measurement of multi-channel DC resistance, such as the manufacturing, repair, and quality control of electronic products. The single-channel DC resistance tester is more suitable for applications that require accurate measurement of the resistance of a single circuit, such as laboratory research and troubleshooting.
2.TIPS
The following are some general precautions to take when using a DC Resistance Tester:
1. Select the appropriate measurement range: According to the size of the resistance to be measured, select the appropriate measurement range of the DC Resistance Tester. Avoid selecting too small or too large a range to ensure measurement accuracy.
2. Correct connection of test leads: Properly connect the test leads to both ends of the resistance to be measured to ensure good contact and avoid measurement errors.
3. Avoid interference: During the measurement process, try to avoid external interference, such as electromagnetic fields and static electricity, to ensure the accuracy of the measurement results.
4. Pay attention to temperature effects: The DC resistance value may be affected by temperature changes. If accurate measurement is required, the temperature coefficient of the resistance to be measured should be considered and measurement should be performed at an appropriate temperature.
5. Regular Calibration: According to the manufacturer's recommendations, regularly calibrate the DC Resistance Tester to ensure its measurement accuracy.
6. Follow safety operating procedures: When using a DC Resistance Tester, follow relevant safety operating procedures, such as avoiding electric shock and properly grounding.
7. Read the user manual: Carefully read the user manual of the DC Resistance Tester to understand its functions, operating methods, and precautions to fully utilize the instrument's performance.
Please note that the specific precautions may vary depending on the instrument model and brand. It is recommended to carefully read the relevant user manual and operating guide before use.
| Resistance tester | SMR220 |
| Number of channels | Single channel | 48PH | 96PH |
| Test mode | 4/2-wire (switchable) |
| Test item | DC resistance, temperature |
| Test range | 0.1uΩ~3.3MΩ (10 ranges) |
| Resolution | 0.1μΩ |
| Test accuracy | 0.0002 |
| Test speed | Fast (50HZ: 21ms; 60HZ: 18ms), slow (200ms) |
| Temperature | Range: -10°C~60°C Accuracy: ±1°C |
| Correct | Zero short-circuit clearance in full scale |
| Comparator | 10 levels of sorting; Support HIGH/IN/LOW sorting |
| Other functions | Temperature compensation function; Power frequency setting |
| Connectors | External I/O, LAN , RS232 |
| Size | 325mm*215mm*96.5mm(L*W*H) |
| Weight | 2kg |
| Annex | SMR220-1, SMR220-3, power cord |
3.Photo display
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