In industries where even the slightest pressure fluctuation can disrupt operations, SHGP series low pressure transmitter stands out as a critical tool. Engineered to measure subtle pressure ranges of 1.6–6 kPa while enduring extreme static pressures of 1–10 MPa, this low pressure transducer bridges the gap between sensitivity and ruggedness. Let’s explore its applications, technical strengths, and why it’s trusted globally.

Why Low-Pressure Measurement Matters

Low-pressure environments are deceptively complex. Whether monitoring airflow in ventilation systems or ensuring precise pressure control during chemical reactions, accuracy is non-negotiable. Traditional pressure sensors often struggle with drift or damage under high static pressure, but SHGP series pressure transmitters thrive here. Their secret lies in a capacitive sensing element—a diaphragm that flexes under pressure, altering capacitance to generate precise electrical signals. This design ensures stability even in harsh conditions.

Key Industrial Applications

These low pressure transmitters are indispensable across sectors where low-pressure accuracy and durability intersect:

• 1. HVAC & Cleanroom Systems
• o    Maintain optimal airflow in hospitals, labs, or semiconductor facilities by detecting minute pressure changes in ducts.
• o    Prevent contamination by ensuring negative/positive pressure zones.
• 2.     Pharmaceutical Production
• o    Monitor bioreactors and sterilization chambers where pressure stability ensures product quality.
• o    Withstand frequent steam-cleaning cycles thanks to stainless steel construction.
• 3.     Water Treatment Plants
• o    Track filter bed pressure during backwashing to prevent clogs.
• o    Measure liquid levels in tanks with corrosive or abrasive media.
• 4.     Oil & Gas Pipelines
• o    Detect leaks or blockages in low-pressure gas lines.
• o    Resist vibration and temperature swings in remote installations.
• 5.     Food & Beverage Processing
• o    Ensure hygienic pressure conditions during fermentation or packaging.
• o    Comply with strict sanitation standards due to easy-clean designs.

Technical Specifications of low pressure transmitter

• Measurement Range: 1.6–6 kPa (adjustable for custom needs).below Silver Automation Instruments list low pressure we can make with different but popular unit.

• Static Pressure Resistance: 1–10 MPa, ideal for systems with fluctuating background pressures. Standard static pressure is 10bar; silverinstruments.com can make high static pressure upto 1450 psi.
• Accuracy: ±0.1~0.5% full scale, ensuring repeatable results.
• Output: 4–20 mA or HART® protocol for seamless PLC integration.
• Material: 316L stainless steel wetted parts, optional with other material such as Hastelloy C, Monel or tantalum which are compatible with aggressive media.
• Temperature Range: -40°C to 105°C (-40°F to 221°F).
• Certifications: CE , ATEX approved
• Response time: 0.25 second
• Power supply: 10-32 VDC
• Digital display unit: mbar, Kpa,psi,Pa, mmH2O and so on
• Protection level: IP65 , IP67
• Wet parts material: stainless steel 316L, Hastelloy C, Monel, Tantalum ,gold plating

What Sets Metal Capacitance Transmitters Apart?

1.     No Compromise on Sensitivity or Strength
Unlike strain-gauge sensors, capacitive elements aren’t affected by static pressure overloads. This makes them ideal for hydraulic systems where background pressure spikes occur.

2.     Minimal Maintenance
With no moving parts and welded isolation membranes, these transmitters resist wear, reducing downtime.

3.     Customization-Friendly
Options like digital displays, threaded or flange mounts, and material coatings (e.g., Hastelloy®) adapt to niche applications.

Conclusion: A Workhorse for Critical Environments

Metal capacitance low pressure transmitters aren’t just instruments—they’re safeguards. By delivering pinpoint accuracy in fragile pressure zones while surviving brutal static loads, they empower industries to optimize safety and efficiency. Whether it’s ensuring clean room integrity or preventing pipeline leaks, their blend of innovation and toughness makes them a silent hero in modern engineering.