The manual provides installation, configuration, specifications and safety information for the Honeywell SmartLine STG73P/73SP diaphragm pressure transmitter.
The SmartLine STG73P/73SP is an embedded‑mount diaphragm pressure transmitter designed for pulp and paper mill feed‑box applications. It offers high accuracy, stability, automatic temperature compensation and a modular design that supports multiple communication protocols.
This document covers product overview, mechanical dimensions, wiring and power requirements, communication options (4‑20 mA, HART 7, DE, FOUNDATION Fieldbus), diagnostic features, certification details (SIL2/3, explosion‑proof ratings) and recommended maintenance such as calibration intervals. This manual is written in Chinese.
| Accuracy | 0.065 % of span |
|---|---|
| Stability | 0.025 % of full scale per year |
| Response time | 100 ms |
| Power supply | 10.8 V to 42.4 V DC |
| Output signal | 4‑20 mA DC |
| Maximum allowable working pressure (MAWP) | ≈4570 kPa |
| Certification | SIL2/3, explosion‑proof (various standards) |
The recommended calibration interval is every two years.
It supports 4‑20 mA DC, Honeywell Digital Enhanced (DE), HART 7 and FOUNDATION Fieldbus.
The device operates from –15 °C to 65 °C and can be stored from –55 °C to 75 °C.
The maximum allowable working pressure is about 4570 kPa.