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Honeywell STR Remote Diaphragm Seals Unit Transmitters
Introduction
Part of the SmartLine® family of products, the STR800 is a
series of high performance pressure transmitters hydraulically
matched and optimized with a complete set of remote
diaphragm seals. Utilizing the same high performance sensor
technology of the ST 800 product line Honeywell has
optimized the mechanical and hydraulic designs in order to
minimize the typical effects of temperature on remote seal
systems.
Typical Diaphragm Seal applications
• High Process Temperatures
• Viscous or Suspended Solids
• Highly Corrosive Process Materials
• Sanitary Applications
• Applications with Hydrogen Permeation Possibilities
• Level Applications with Maintenance Intensive Wet
Legs
• Applications requiring remote Transmitter Mounting
• Tank Applications with Density or Interface
Measurements
Communications/Output Options:
• Honeywell Digitally Enhanced (DE)
• HART ®
(version 7.0)
• FOUNDATION™ Fieldbus
All transmitters are available with the above listed
communications protocol
| Model | URL | LRL | Min Span | Maximum Turndown Ratio | Reference Accuracy1,2 (% Span) |
| STR82D | 400 in H2O (1000 mbar) | -400 in H2O (-1000 mbar) | 4 in H2O (10 mbar) | 100:1 | 0.0375 |
| STR83D | 100 psid (7.0 bar) | -100 psi (-7.0 bar) | 1 in psi (0.07 bar) | 100:1 | 0.0375 |
| STR84D | 500 psi (35 bar) | -14.7 (-1.0 bar) | 5 psi (0.35 bar) | 100:1 | 0.0375 |
| STR87D | 3000 psi (210 bar) | -14.7 psi (-1.0 bar) | 30 psi (2.1 bar) | 100:1 | 0.0375 |
| STR84A | 500 psia (35 bara) | 0 psia (0 bara) | 5 psia (0.35 bara) | 100:1 | 0.0375 |
CONCH---Create world brand in China Explosion-proof industry.
Conch Explosion-proof Electric was founded in 1998 and in China Explosion-proof Electric Appliance Production Base ---Central Industrial Park, Yueqing. It is specialized in producing explosion proof products and elements of 180-odd series and more than 2,000 specifications such as mining explosion products, factory explosion products and marine explosion-proof products, now, the company has become the strongest explosion proof enterprise on specially and supplementary property in China.

Conch has owned 3 professional branch companies, 8 holding enterprise, more than 300 professional cooperating manufacturers, it sales network integrating sales and service covers the whole country. Besides it has established many sales general agencies abroad. Because of excellent performance, the products are widely used for following fields: aviation, military project, mine, wine making, textile, food, medicine and so on. They are not only sold well in domestic market, but also in Vietnam, Korea, Mongolia, Pakistan, Central Asia, Middle East and

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