The Model 266GRT is a gauge pressure transmitter with a remote diaphragm seal, designed for pressure measurement applications requiring isolation from aggressive or high-temperature process fluids. It features base accuracy of 0.04% of calibrated span, a turn-down ratio up to 60:1, and TTG (Through-The-Glass) local configuration capability without opening the housing. The transmitter is available with various sensor spans from 0.6 kPa to 60,000 kPa, diaphragm materials including silicone oil, Galden, or white oil, and housing options in aluminium alloy or stainless steel with NPT or M20 electrical connections. It supports HART, PROFIBUS PA, and Foundation Fieldbus output protocols, and is certified for SIL2 (1oo1) and SIL3 (1oo2) per IEC 61508. The all-welded construction ensures reliability under full vacuum and high-pressure conditions, and the device complies with PED as Sound Engineering Practice and Directive 2011/65/EU (RoHS II).
Thanks to Taylor’s “All-Welded” technology in remote seal manufacturing as well as to the longstanding expertise, 266GRT can offer unmatched total performances and a wide selection of options such as fill fluid, diaphragm material, capillary protection and mounting connections. ABB, leader in severe process measurements, is able to provide the right solution for the most critical process media at extreme ambient and process conditions. With a long-term stability and its proven reliability, 266GRT represents the best application solution for gauge pressure measurements.
In addition to the plug-in terminal block, this transmitter features in-field replaceable electronics module that thanks to the auto-configuration functionality dramatically improves plant productivity. Its intuitive plug-and-play display with easy setup procedure really helps users by saving time and lowering maintenance and inventory costs. Moreover, the innovative TTG (Through The Glass) technology allows users to configure the instruments in the field without removing the windowed front cover and consequently to save a lot of time.
The 266GRT is certified by TUV NORD for use in safety instrumented systems as per the requirements of IEC61508. The transmitters meet the requirements for SIL2 applications in a single transmitter configuration (1oo1) and for SIL3 applications in a redundant configuration (1oo2).
| ABB Measurement & Analytics | |
|---|---|
| Product Category | Pressure Transmitters |
| Product Number | Model 266GRT |
| Product Name | Gauge Pressure Transmitter |
| Signal Output | HART® Protocol (optional feature); PROFIBUS® (optional feature); FOUNDATION (optional feature) |
| Sensor Technology | Mechanical Deflection |
| Pressure Measurement | Gauge; Sealed; Negative Pressure |
| Media | Liquid; Gas |
