Model: 144LD Differential Pressure Transmitter
Output: 4–20 mA DC (2-wire)
Power Supply: 12–42 V DC (typical 24 V)
Accuracy: ±0.1% of span (optional ±0.05%)
Range Limits:
Minimum span: 0–0.5 inH₂O (0–125 Pa)
Maximum span: 0–5000 psi (0–34.5 MPa)
Process Connection: 1/4" NPT or other options
Electrical Connection: 1/2" NPT conduit
Ambient Temperature: -40°C to +85°C (-40°F to +185°F)
Housing Material: Aluminum or stainless steel
Certifications: FM, CSA, ATEX, IECEx
The Foxboro 144LD is a high-accuracy, 2-wire 4–20 mA differential pressure (DP) transmitter designed for industrial process measurement. It features a robust construction with aluminum or stainless steel housing, making it suitable for harsh environments.