![Uni-T UT213A [10/20] Measuring of ac current see figure 2](/img/pdf.png)
Uni-T UT213A [10/20] Measuring of ac current see figure 2
![Uni-T UT213A [10/20] Measuring of ac current see figure 2](/views2/1666970/page10/bga.png)
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- A digital clamp meters j 1
- Uts13a b c 1
- I overview 3
- Ii ooba out of box audit 3
- Iii safety operation criterion 3
- Iv electrical symbols 4
- V external structure see figure 1 5
- Vi description of lcd symbols 5
- General specification 6
- Vii functions of keys 6
- Viii technical indexes 6
- Ac current à 7
- Ac voltage v 7
- Dc current ä only for ut213c 7
- Dc voltage v 7
- Electrical specification 7
- Environmental limitation 7
- Capacitance 8
- Resistance il 7 diode test x 8
- Ut213a 8
- 40 c 40 c 9
- 40 f 104 f 9
- C 400 c 400 c 1000 c 9
- F 752 f 752 f 1832 f 9
- Frequency hz 9
- O ooimf 9
- Temperature c only for ut213b c 9
- Ut213b c 9
- Instructions 10
- Ix measuring operation 10
- Measuring of ac current see figure 2 10
- Figure 3 11
- Measuring of dc current only for 11
- Ut213c see figure 3 11
- Measuring of ac voltage see figure 4 12
- Measuring of dc voltage see figure 5 13
- Measuring of resistance see figure 6 14
- Measuring of conductivity see figure 7 15
- Measuring of diode see figure 8 16
- Measuring of capacitance see figure 9 17
- Measuring of frequency see figure 10 18
- Measuring of temperature only for 18
- Non contact ac voltage sensing ncv 18
- Ut213b c 18
- Auto off function 19
- Power supply gear position off 19
- See figure 11 19
- X maintenance and repair 19
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UNI UT213A B C INSTRUCTIONS IX Measuring Operation Instructions 1 Measuring of AC Current See Figure 2 1 Switch to the AC current gear position press the trigger to open the clamp head use the clamp UT213A B C INSTRUCTIONS AC conversion is a true virtual value response mode through AC coupling which is corrected through sine wave input Therefore the accuracy of non sine wave must be adjusted in accordance with the following If wave crest factor is 1 4 2 0 the accuracy is 1 0 If wave crest factor is 2 0 2 5 the accuracy is 2 5 If wave crest factor is 2 5 3 0 the accuracy is 4 0 head to pick up the conductor to be tested and release the trigger slowly until the clamp head is fully closed Please ensure that the conductor to be tested shall be placed at the center of clamp head or error may occur only one current conductor can be measured during one test with clamp meter or false readings may be displayed 2 Read the AC current value directly from the display caution The current measurement shall be operated within the range of 0 C 40 C the trigger shall not be released suddenly for impact may lead to change of readings within a short time since Hall element UT213C is sensitive not only to magnetism but also to heat and mechanical stress to a certain extent In order to ensure accurate measuring data the conductor to be tested must be placed at the center of clamp head or additional error of 1 0 may occur Figure 2 15 16