HK LONGWEI INSTRUMENTS Intelligent Digital Multimeters digital handhelp multimeter
Negotiable /Piece
Min.Order:1 Piece
Dongguan Longwei Electronic Technology Co., Ltd.
Multimeter LW300
1. SELECT Button
Push button for selection of measuring function
2. HOLD Button
Push button for data hold
3. Function Rotary Switch
Rotary switch for function selection and turning meter ON/OFF
4. Test Leads
Red test lead for positive (+) and black test lead for negative (-)
5. LCD Display
3 ½ digits, 7 segment, maximum 3999 counts
Specification
Accuracy is guaranteed for 1 year, 23ºC ± 5ºC, less than 75% RH
DC Voltage
Range | Resolution | Accuracy |
2V | 0.1mV | ±0.5% of rdg ±1 dgts |
20V | 10mV | ±0.8% of rdg ±1 dgts |
200V | 100mV | ±0.8% of rdg ±1 dgts |
500V | 1V | ±0.8% of rdg ±1 dgts |
Overload Protection: 500 V DC or RMS AC for all ranges
AC Voltage
Range | Resolution | Accuracy |
200V | 0.1V | ±1.2% of rdg ±10 dgts |
500V | 1V | ±1.2% of rdg ±10 dgts |
Overload Protection:500V DC or RMS AC for all ranges
Input Impedance: 10MΩ
Frequency Range: 50Hz to 400Hz
DC Current
Range | Resolution | Accuracy |
200mA | 0.1mA | ±2.0% of rgd ± 2dgts |
Overload Protection: 250mA/250V fuse
Resistance
Range | Resolution | Accuracy |
2KΩ | 0.001KΩ | ±1.0% of rgd ± 2dgts |
20KΩ | 0.01KΩ | ±1.0% of rgd ± 2dgts |
200KΩ | 0.1KΩ | ±1.0% of rgd ± 2dgts |
2000KΩ | 1KΩ | ±1.0% of rgd ± 2dgts |
Overload Protection:250V DC or RMS AC for all ranges
Diode Test
Range | Description |
Diode | Show the approximate forward voltage drop of the diode |
Overload protection: 250V RMS AC
Audible Continuity Test
Range | Description |
Continuity | Built-in buzzer sounds when resistance is less than 50Ω |
Overload Protection: 250V RMS AC
General Specifications