| Basic model | AB-740 |
| Flow specification 1 (N2 calibration) | 0~50,100,200,250 SLM |
| Type of regulating valve | normally closed |
| Range ratio | (2-100)% F.S. or 50:1 |
| Traffic resolution | 0.1%F. S. |
| accuracy | ±2%F. S. |
| repeatability | ±0.2%F. S. |
| response time | ≤3sec |
| Range of working pressure difference | 0.15~0.3MPa |
| Maximum withstand voltage | 2MPa |
| Ambient Temperature | 5~45℃ |
| cable joint | DB15pin (needle shaped) |
| input/output signal | 0~+5.00V (input impedance greater than 100k Ω, output current not exceeding 3mA) RS485 MODBUS |
| Power supply requirements | 24VDC(500mA) |
| External single point leakage rate | ≤1×10-8Pa·m3/S(He) |
| Material in contact with the medium | 316316L, sealing packing |
| Sealing material | Chloroprene rubber CR, fluororubber FKM |
| Pipeline interface size | VCR type connector: 1/2 " |
| Double cardsleevetype connector: 3/8 ", 1/2" or φ 10 φ12mm | |
| External dimensions | Length x Width x Height: 170 x 141 x 45 mm |
| Net weight | 3.5kg |