| Parameter model | LT-1(0.1m³) | LT-2(0.5m³) | LT-3(0.5m³) |
| Control | Meters | Meters | PLC |
| Display | Digital | Digital | 7" color touch screen |
| Working voltage | 220V/50Hz or 110V/60HZ | 220V/50Hz or 110V/60HZ | 220V/50Hz or 110V/60HZ |
| Testing voltage | 0～600V adjustable,precision 1.5％ | 0～600V adjustable,precision 1.5％ | 0～600V adjustable,precision 1.5％ |
| Timing device | 9999X0.1S | 9999X0.1S | 9999X0.1S |
| Electrode | Platinum electrode and brass electrode each for a pair | Platinum electrode and brass electrode each for a pair | Platinum electrode and brass electrode each for a pair |
| Electrode dimension | (5±0.1)×(2±0.1)×(≥12)㎜, 30°slant | (5±0.1)×(2±0.1)×(≥12), 30°slant | (5±0.1)×(2±0.1)×(≥12), 30°slant |
| Electrode included angle and distance | 60°±5°,distance is (4±0.1㎜) | 60°±5°, distance is (4±0.1㎜) | 60°±5°, distance is (4±0.1㎜) |
| Electrode pressure | 1.00N±0.05N(digital display is optional) | 1.00N±0.05N(digital display is optional) | 1.00N±0.05N(digital display is optional) |
| The interval of dropping liquid | 30±5S,adjustable | 30±5S,adjustable | 30±5S,adjustable |
| Dropping liquid height | 35±5mm | 35±5mm | 35±5mm |
| Dropping liquid delay | 0.2S(solenoid valve opening time) | 0.2S(solenoid valve opening time) | 0.2S(solenoid valve opening time) |
| Dropping liquid size | 45～50 drip/cm3 | 45～50 drip/cm3 | 45～50 drip/cm3 |
| Time-delay circuit | 2±0.1S(in 0.5A or larger current) | 2±0.1S(in 0.5A or larger current) | 2±0.1S(in 0.5A or larger current) |
| Short-circuit pressure drop | 8% MAX | 8% MAX | 8% MAX |
| Short-circuit current | 1±0.1A 1％ | 1±0.1A 1％ | 1±0.1A 1％ |
| Wind speed | 0.2m/s | 0.2m/s | 0.2m/s |
| Environmental requirement | 0～40℃,relative humidity≤80%,in the place of no obvious vibration and corrosive gas |
| conforms to standard | IEC60695, IEC60112,IEC60335-1,IEC60598-1,UL746A and ASTM D3638-92 |
