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 |
General Specifications: Indoor Use
Conductor Size: 0.98” / 25mm max. (approx.)
Battery Type: two 1.5V LR03 AAA size
Display: 3 3/4 LCD with 20 segments Bar-graph
Range Selection: Manual
Overload Indication: OL
Power Consumption: 22mA with backlight off (approx.)
Low battery Indication: 
Sampling Time: 3 times/sec. (digits), 30 times/sec. (bargraph)
Operating Temperature: -10°C to 50°C
Operating Humidity: less than 85% relative
Storage Temperature: -20°C to 60°C
Storage Humidity: less than 75% relative
Altitude up to 2000M
Dimension: 152mm (L) x 66mm (W) x 36mm (H)
6.0" (L) x 2.6" (W) x 1.4" (H)
Weight: 190g (battery included)
Accessories: Carrying bag x 1
Users manual x 1
1.5V AAA battery x 2