Digitaalne volt- ja ampermeeter 0-300V 300A sin/pun

- Power Supply: DC 4.5-30V
- Measure Voltage: DC 0-300V   
- voltage < 100V, resolution: 0.1V
- voltage >= 100V, resolution: 1V
- Measure Current: 0-300A forward current (need extra 300A shunt)
- Current Resolution: 0.1A
- Operating Current: <20mA
- Display: 0.28" LED, Dual Color, Red and Blue   
- Dimensions: 48 x 29 x 21 mm
- Cutting Size: 45 x 26 mm
- Measurement rate: ≥ 500mS / times
- Accuracy: 1% ( ± 1 digit )   
- Operating Temperature:-10~65 degree