| Model | Spec Code | Directions |
| AT3051DP | ……………… | Differential Pressure Type Level Transmitter |
| Measuring range | 3…………… | 1.3~7.5 kPa |
| 4…………… | 6.2~37.4 kPa |
| 5…………… | 31~186.8 kPa |
| 6…………… | 117~690 kPa |
| 7…………… | 345~2068 kPa |
| 8…………… | 1170~6890 kPa |
| Output signal | E…………… | 4~20mA |
| S…………… | 4~20mA, HART Protocol DigitalCommunication |
| L…………… | 4~20mA, Smart Field Adjustable |
| Wetted parts material | | Flange/Joint | Exhaust/DrainValve | Diaphragm |
| 22…………… | 316stainless steel | 316stainless steel | 316stainless steel |
| 23…………… | hasteslloyC-276 |
| 24…………… | Monel |
| 25…………… | Tantalum |
| 56…………… | Hastelloy C | Hastelloy C-276 | Hastelloy C-276 |
| Flange joint | J…………… | “D- shaped” Joint with “M20*1.5” External thread |
| N…………… | “ Kidney-shaped” Joint with 1/2-14NPT |
| C12…………… | Cited Pressure Transition Joint with 1/2-14NPT, and Stainless Steel Cited Pressure Pipe Welding in the Rear |
| Mounting bracket | B1…………… | Tube-type Curved Bracket (Tube ODΦ50~Φ60) |
| B2…………… | Board-type Curved Bracket |
| B3…………… | Tube-type Straight Bracket (Tube ODΦ50~Φ60) |
| Display header(optional) | M1…………… | Linear Instruction Header (0~100% scale) |
| M2…………… | Square Root Instruction Header (0~100% scale) |
| M3…………… | Four- digit LCD Header(0~100% linear display) |
| M4…………… | Four- digit LCD Header (can be specifically set ) |
| Process flange | D…………… | Exhaust or Drain in the Rear |
| Special Specification | d…………… | Explosion-proof License: d Ⅱ B T5 |
| i…………… | Intrinsically Safe Approval: ia Ⅱ C T6 |