Honeywell Pressure Differential Pressure Transmitter STD730-E1AN1AS
Product Spotlights
The Honeywell STD730-E1AN1AS is a high-performance, high-stability pressure/differential pressure transmitter that belongs to the Honeywell SmartLine® series of smart meters. This series is widely used in the field of industrial process control due to its excellent reliability, precise measurement and flexible configuration.
**Technical Parameters**
**Measurement Type:** Differential pressure
* **Output signal: ** 4-20 mA DC, superimposed with HART® 7 protocol digital communication.
**Measurement range:** Range ratio up to 100:1, specific range to be determined based on selection code and user configuration, covering the range from low to inch water column to high pressure.
**Accuracy:** Up to ±0.065% of span (including linearity, hysteresis, and repeatability) ensures excellent measurement reliability.
**Stability:** Exceptional long-term stability, typically ±0.1% of URL/10 years.
* **Process Connection:** Standard configuration is a 1/4" NPT female threaded process interface, usually made of 316L stainless steel, compatible with media contact sections for a variety of options.
* **Diaphragm material:** Hastelloy C-276, tantalum, 316L stainless steel, etc. are available to cope with corrosive media.
**Power supply:** Standard is 10.5 to 42 V DC (specific requirements apply for intrinsically safe versions).
* **Ambient Temperature:** -40°C to +85°C (-40°F to +185°F).
**Process Temperatures:** -40°C to +120°C (-40°F to +248°F), expandable to higher or lower temperatures with remote diaphragm sealing systems.
* **Protection Rating:** The enclosure is typically rated IP67/NEMA 4X, making it suitable for harsh industrial environments.
* **Explosion-proof certification:** usually has ATEX, IECEx, FM, CSA and other global mainstream explosion-proof certifications, suitable for hazardous areas (specific certification needs to be confirmed according to the order).
**Product Description**
The Honeywell STD730-E1AN1AS transmitter is designed with field-proven sensor technology and advanced microprocessors to provide accurate and stable pressure or differential pressure measurements. Its core advantages are the extremely high range ratio and excellent stability, which means that a single transmitter can cover a wider range of application needs and significantly reduce calibration and maintenance costs 
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