General
Lovadon digital voltmeter It boasts a black rectangular display that presents voltage readings. The front panel is equipped with various buttons, notably including "SET" and directional arrows for easy navigation and parameter setting. Additionally, input terminals are located on the right side for connecting measuring leads. Overall, this compact and user-friendly device is designed for accurate electrical voltage measurement.
Technical Parameters
| measuring accuracy | current | 0.5level |
| Connection Mode | signal phase two wires |
| Rated voltage | AC57.7V,AC100V,AC220V,AC380V,DC2V,DC20V,DC200V,DC600V |
| Overload voltage | 1.2times(continued),2times/I second(instantaneous) |
| Power Consumption | <1VA per phase |
| Impedance | >300mΩ |
| Frequency | 45-65Hz |
| Power supply | Working Range | AC/DC 80-270V,AC220V,AC380V,AC100V,DC48V,DC24V |
| Power Consumption | <4VA |
| Function module | communication interface | 1 way RS~485communication,Modbus-RTU protocol |
| Baud Rate | 2400~9600bps |
| Switch input | 4ways |
| Switch onput | 3ways(capacity:AC250V/1A,DC30V/5A) |
| Transmission Onput | 3ways(analog onput:0/4-20mA or 0-5/10V) |
| Environment | Working Temperature | -10°C~ + 55°C |
| Storage Temperature | -25°C~ +70°C |
| Relative Humidity | ≤93%,no corrosive gas |
| Altitude | ≤2500m |
Safety
| Insulation Resistance | >100MΩ |
| Ac Electric | AC 2KV |
EMC Performance
| ESD Electrostatic Discharge | class 4 |
| Electrical Fast Transient Burst | class 4 |
| Surge（impact） | class 4 |
Molel NO. Function
| Measurement | Extended Function | Frame
size
(mm) | Hole
Size (mm) |
AC Current
| DC Current | Switching
Intput | Switching
Output | Analog
Output | Communi cation
interface | LED | LCD |
| LST12-V | √ | ― | 2 | 2 | 1 | 1 | √ | ― | 120*120 | 111*111 |
| LST12-DV | ― | √ | 2 | 2 | 1 | 1 | √ | ― |
| LST96-V | √ | ― | 2 | 2 | 1 | 1 | √ | ― | 96*96 | 92*92 |
| LST96-DV | ― | √ | 2 | 2 | 1 | 1 | √ | ― |
| LST96H-V | √ | ― | 2 | 2 | 1 | 1 | √ | ― | 96*48 | 92*45 |
| LST96H-DV | ― | √ | 2 | 2 | 1 | 1 | √ | ― |
| LST80-V | √ | ― | 2 | 2 | 1 | 1 | √ | ― | 80*80 | 76*76 |
| LST80-DV | ― | √ | 2 | 2 | 1 | 1 | √ | ― |
| LST72-V | √ | ― | 2 | 2 | 1 | 1 | √ | ― | 72*72 | 68*68 |
| LST72-DV | ― | √ | 2 | 2 | 1 | 1 | √ | ― |
| LST48-V | √ | ― | 2 | 2 | 1 | 1 | √ | ― | 48*48 | 45*45 |
| LST48-DV | ― | √ | 2 | 2 | 1 | 1 | √ | ― |
Yueqing Lovadon Electric Co., Ltd.
