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General| Type | Pressure Transmitter |
|---|---|
| Model | 266CRH |
| Manufacturer | ABB |
| Temperature Range | -40 to 85 °C (-40 to 185 °F) |
| Process Temperature | -40 to 120 °C (-40 to 248 °F) |
| Hazardous Area Approvals | ATEX, IECEx, FM, CSA |
| Output Signal | 4-20 mA HART |
| Process Connection | 1/2" NPT, G1/2, M20x1.5 |
| Electrical Connection | 1/2" NPT conduit, M20x1.5 |
| Power Supply | 10.5 to 42 V DC |
| Housing Material | Aluminum, Stainless Steel |
| Wetted Parts Material | 316L Stainless Steel, Hastelloy® C-276 |
| Protection Class | IP66 |
| Certifications | SIL2/3 |
Covers general guidelines, important product info, and warning signal meanings.
Details ATEX, IECEx, and FM markings for hazardous environments.
Explains 'Ex d' certification codes and parameters.
Explains 'Ex n' and 'Ex t' protection types.
Details FM certification for US/Canada hazardous locations.
Covers transmitter parts, overall function, and measuring range specifications.
General mounting advice, IP protection, and default configurations.
Procedures for housing access, safety, and rotating the transmitter.
Steps for LCD rotation and critical safety for impulse line connection.
Mounting instructions for level measurement in closed and open tanks.
Mounting for drum water level and temperature sensor installation.
Crucial safety for electrical work and guidelines for cable routing.
Information on cable entries, grounding, and terminal layout.
Electrical specifications and Modbus communication protocol information.
Safety, general startup notes, and post-installation zero point correction.
Details DIP switch usage for replace mode and protocol selection.
