Black rectangular device featuring a blank screen with a letter "A" displayed. The device has a sleek design, incorporating several blue buttons at the bottom, including navigation arrows (↑ ↓) and a "Menu" button. Its side view reveals internal components, suggesting it's an electronic control panel or interface. The overall appearance indicates it's likely used for operational control in various settings.
| measuring accuracy | current | 0.5level |
| Auxiliary power supply | AC/DC 80-270V,AC220V,AC380V,AC100V,DC48V,DC24V | |
| Connection Mode | signal phase two wires | |
| Rated Current | AC1A,AC5A,DC20mA,DC1A,DC5A,DC75mA | |
| Overload | 1.2times(continued),10times/5 second(instantaneous) | |
| Power Consumption | <0.4VA per phase | |
| Impedance | <20mΩ | |
| Frequency | 45-60Hz | |
| 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) | |
| Safety | Insulation Resistance | >100M |
| 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-A | √ | ― | 2 | 2 | 1 | 1 | √ | ― | 120*120 | 111*111 |
| LST12-DA | ― | √ | 2 | 2 | 1 | 1 | √ | ― | ||
| LST96-A | √ | ― | 2 | 2 | 1 | 1 | √ | ― | 96*96 | 92*92 |
| LST96-DA | ― | √ | 2 | 2 | 1 | 1 | √ | ― | ||
| LST96H-A | √ | ― | 2 | 2 | 1 | 1 | √ | ― | 96*48 | 92*45 |
| LST96H-DA | ― | √ | 2 | 2 | 1 | 1 | √ | ― | ||
| LST80-A | √ | ― | 2 | 2 | 1 | 1 | √ | ― | 80*80 | 76*76 |
| LST80-DA | ― | √ | 2 | 2 | 1 | 1 | √ | ― | ||
| LST72-A | √ | ― | 2 | 2 | 1 | 1 | √ | ― | 72*72 | 68*68 |
| LST72-DA | ― | √ | 2 | 2 | 1 | 1 | √ | ― | ||
| LST48-A | √ | ― | 2 | 2 | 1 | 1 | √ | ― | 48*48 | 45*45 |
| LST48-DA | ― | √ | 2 | 2 | 1 | 1 | √ | ― | ||