





| Parameter | Specification |
|---|---|
| Manufacturer | Endress+Hauser |
| Model | PMD75-AAA7D323AAA |
| Instrument type | Differential pressure transmitter |
| Measuring principle | Differential pressure |
| Characteristic | Digital transmitter with metallic measuring diaphragms, Modular transmitter, Long-term stability, High static pressure/Overload resistance, Secondary process barrier |
| Measuring range | –1 … +1 mH₂O |
| Calibration / adjustment range | 0 … 1 mH₂O |
| Minimum span | 0.01 mH₂O |
| Maximum working pressure (MWP) | 1600 mH₂O |
| Reference Accuracy | Standard: 0.05%, Platinum: up to 0.035% |
| Long term stability | 0.03 % of URL/ year, 0.05 % of URL/ 5 years, 0.08 % of URL/ 10 years |
| Process temperature | -40°C...85°C (-40°F...185°F) |
| Ambient temperature | -50°C...85°C (-58°F...185°F) |
| Supply voltage | 4...20 mA HART |
| Output / supply | 11.5 … 45 VDC |
| Process wetted materials | Alloy C (Hastelloy C) |
| Seal material | Viton |
| Additional wetted material | PTFE |
| Process connection | 1/4-18NPT, RC1/4" |
| Ingress protection | IP66 / IP67 |
| Revision | Rev. 7 |