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Clamp Meter

EV Clamp Meter
- Designed for EV (Electric Vehicle)
- Both lower DC Current and High DC Current(1000A)
- Accurate AC/DC digital clamp meter
- Best accuracy ±1.5%±3dgts
- AC 1mA, DC 10mA high resolution
- True RMS measurement
- One touch zero (Δ) for DCA adjustment
- 25 mm diameter jaws
- Fast bar graph display (30 times/sec.) for transient observation
- In-Rush Current Measurement with 100mS integration time
- Non-Contact Frequency Measurement (min. sensitivity 0.06 AC A)
- Non-Contact Voltage (NCV) Detection from 80V to 600V at 50/60Hz
- Low Pass Filter (LPF) at 1 KHz Cut-off Frequency
- Large 3 3/4 digits LCD
- Data Hold function
- 15 minutes auto-power-off with beeping warning before turning off
- Backlight with 5 minutes of auto-backlight-off
- Easy single rotary switch for any function selection
- Ideal for works in crowded switch box or cable areas
Electrical Specifications:
(23°C±5°C, Accuracy is indicated as % of reading,
and the conductor is placed at the center of jaws)
DC Current
Range |
Resolution |
Accuracy |
Overload Protection |
4A |
1mA |
±1.5%±3dgts |
DC 1000A |
40A |
10mA |
||
400A |
100mA |
||
0-900A (1000A) |
1A |
||
900-1000A (1000A) |
1A |
±2.0%±3dgts |
AC Current (True RMS, Crest Factor ≦ 3)
|
|
Accuracy1 |
Overload Protection |
|
Range |
Resolution |
50/60 Hz |
40 - 400Hz |
|
4A |
1mA |
±1.5%±3dgts |
±2.0%±4dgts |
AC 1000A |
40A |
10mA |
|||
400A |
100mA |
|||
0-900A (1000A) |
1A |
|||
900-1000A (1000A) |
1A |
±2.0%±3dgts |
±2.5%±4dgts |
1Add 2% when C.F. ≧ 2
Frequency (auto range, periodic and zero crossing signal)
Range |
Range (Hz) |
Resolution (Hz) |
Sensitivity (A) |
Accuracy |
4A |
1 – 10 |
0.1 |
0.2 |
±0.5%±2dgts |
4A |
10 – 4K |
0.1/1 |
0.08 |
|
4A |
4K – 40K |
1/10 |
0.20 |
|
40A |
1 – 10 |
0.1 |
1.5 |
|
40A |
10 – 4K |
0.1/1 |
0.8 |
|
400A |
2 – 4K |
0.1/1 |
4 |
|
1000A |
1 – 4K |
0.1/1 |
40 |
Overload protection all range AC 1000A
In-Rush Current (AC, starting from 0A, Integration Time 100mS)
Range |
Trigger Current (threshold) |
4A |
0.2A |
40A |
2A |
400A |
20A |
1000A |
200A |
AC Low Pass Filter (LPF, Cut-off frequency (-3db) 1 KHz (approx.))
Range |
Resolution (A) |
Accuracy (50/60Hz) |
4A |
0.001 |
3%±5dgts |
40A |
0.01 |
|
400A |
0.1 |
|
0 – 900A (1000A) |
1 |
|
900-1000A (1000A) |
1 |
4%±5dgts |
