Pressure transmitter ST700 type

Description

Product Overview
The Pressure Transmitter ST700 is an industrial-grade pressure sensing instrument designed to deliver accurate, reliable differential and absolute pressure measurements in demanding process environments. It is primarily used for monitoring and controlling pressure in oil & gas, petrochemical, water/wastewater, power generation, and heavy manufacturing applications. Its key value lies in high-precision measurement, robust field durability, and seamless integration with DCS/SCADA systems, enabling process optimization and reduced downtime. Strategically, the ST700 supports digital transformation of plant operations by providing dependable measurement data that underpins safety, regulatory compliance, and efficiency improvements.

Key Specifications & Technical Characteristics

• Sensing element: Silicon piezoresistive / capacitive ceramic options (select per model), Hastelloy wetted parts option for corrosive media

• Housing material: Stainless steel 316L (standard); optional Duplex or Inconel for extreme environments

• Seals and diaphragms: PTFE-lined or metal diaphragm variants for chemical compatibility

• Pressure ranges: Gauge, absolute, and differential ranges from 0–100 mbar up to 0–1000 bar (model-dependent)

• Accuracy: Standard ±0.25% FS; premium ±0.1% FS available

• Output signals: 4–20 mA HART; optional Foundation Fieldbus, Modbus RTU/RS485, or digital HART5/7

• Power supply: 12–36 VDC typical; loop-powered variants available

• Environmental rating: IP66/IP67; optional IP68 and Ex d/Ex ia hazardous-area certifications

• Operating temperature: -40°C to +85°C standard; extended ranges on request

• Physical characteristics: Compact transmitter head, typical weight 1.5–3.5 kg depending on options

• Mounting: Direct, remote capillary, or manifold-mounted arrangements

• Response time: <10 ms typical (model-dependent)

• Packaging options: Individual protective carton with silica desiccant; palletized wooden crate for bulk; blast-proof crates available for export by request

• Documentation: Calibration certificate, material certificate (EN 10204 3.1 upon request), ATEX/IECEx certificates, FAT/SAT support packages

• Shelf life: Electronic instruments — maintained per storage recommended conditions; calibration recommended after 12–24 months in storage

Core Industrial Applications

• Oil & Gas: Wellhead pressure monitoring, pipeline pressure surveillance, compressor control. ST700 delivers stable readings in high-pressure, high-temperature and corrosive media, reducing safety incidents and production losses.

• Petrochemical & Refining: Reactor pressure control, distillation column monitoring, flare-system pressure surveillance. Robust wetted materials and high accuracy improve process yields and regulatory compliance.

• Power Generation: Boiler feedwater and steam header monitoring, turbine inlet pressure control. Fast response and high reliability enhance plant availability and thermal efficiency.

• Water & Wastewater: Pump station pressure control, filtration system differential monitoring. Low-maintenance design reduces lifecycle operating costs.

• Heavy Industry & Manufacturing: Hydraulic system monitoring, pressurization control, and vacuum systems. Compact form factor and multiple output protocols ease integration into existing control systems.
  Why it performs better

• Precision and stability across wide ranges ensure fewer process upsets and less frequent recalibration.

• Corrosion-resistant wetting materials and hazardous-area options extend service life in aggressive environments.

• Multiple communication protocols reduce integration friction and speed deployment compared with single-protocol transmitters.

Competitive Advantages

• Quality consistency: Factory-calibrated units with traceable calibration certificates and robust QA processes.

• Supply reliability: Scheduled production slots, safety stock, and regional distribution enable predictable lead times for enterprise procurement.

• Logistics capability: Export-ready packaging, customs documentation support, and optional door-to-door delivery for bulk orders.

• Price competitiveness: Tiered pricing for volume purchases and long-term contracts with price-protection options.

• Sustainability: Low-power designs reduce operational energy use; recyclable materials and compliance with RoHS when requested.

• Technical support: Global technical documentation, installation guides, calibration services, and remote diagnostics support; optional on-site commissioning and training packages.

Commercial & Supply Information

• Minimum order quantity (MOQ): BULK 20MT

• Loading capacity (MT per container): Typical 20-foot container: 20–22 MT; 40-foot container: 24–26 MT (final loading depends on packaging configuration and accessory weight)

• Lead times: Standard lead time subject to configuration and certification requirements; expedited manufacturing available for critical projects (confirm at enquiry)

• Warranty & service: Standard manufacturer warranty; extended service agreements and calibration contracts available