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QDL80B-YK Strain Gauge Pressure Gauge with Pressure Port

A battery-powered strain-gauge digital pressure gauge with pressure port and clear LCD for stable, reliable monitoring in compressed air and clean industrial process media.
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QDL80B-YK Strain Gauge Pressure Gauge

QDL80B-YK strain gauge pressure gauge with pressure-port design for clean process media and compressed air systems

Pressure-port Design for Clean Process Media

QDL80B-YK is a digital pressure gauge designed around “Pressure-port Design for Clean Process Media.” The dedicated mechanical and connector structure simplifies installation, replacement and field maintenance. The dedicated mechanical, connector or mounting structure helps the instrument fit the intended pipe, tank, cabinet or equipment interface. The feature is directly relevant to compressed air system, pressure monitoring and industrial process projects. Shorten installation time and simplify later field maintenance, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.

QDL80B-YK strain gauge pressure gauge with clear local LCD display for faster field inspection and commissioning

Clear Local Display for Faster Field Inspection

QDL80B-YK is a digital pressure gauge designed around “Clear Local Display for Faster Field Inspection.” Displays the measured value directly at the process point for easier inspection and commissioning. The local display makes the live value and operating state easier to verify during commissioning, inspection and routine maintenance. The feature is directly relevant to compressed air system, pressure monitoring and industrial process projects. Check operating status directly without opening the control system, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.

QDL80B-YK strain gauge pressure gauge for reliable pressure measurement in compressed air and industrial process systems

Reliable Pressure Measurement & Conversion

QDL80B-YK is a digital pressure gauge designed around “Reliable Pressure Measurement & Conversion.” Provides dependable pressure measurement for industrial automation systems. The product is organized around this specific field requirement without adding unrelated functions to the measuring point. The feature is directly relevant to compressed air system, pressure monitoring and industrial process projects. Improve measurement clarity and maintenance efficiency in compressed air system applications, helping engineers keep the installation, inspection and signal path easier to manage during long-term operation.

Working Principle Diagram

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Technical Specifications

Zero Temperature Drift:±0.05% F.S./℃ (within full operating temperature range)


Sensitivity Temperature Drift:±0.05% F.S./℃ (within full operating temperature range)


Repeatability Error:≤0.1% F.S.


Hysteresis Error:≤0.1% F.S.


Long-term Stability:≤0.3% F.S./year; maintains consistent accuracy without periodic calibration


Response & Filtering:3-level adjustable (fast / standard / slow); suppresses pressure fluctuation jitter without response lag


Peak / Valley Memory:Built-in max. and min. pressure recording with one-key freeze function for on-site data sampling


Unit Switching Consistency:No zero offset or accuracy loss after arbitrary unit switching


Instantaneous Overpressure Tolerance:150% F.S. transient overload; no permanent zero drift or structural damage


Anti-jitter Algorithm:Adaptive digital filtering; stable display on vibrating pipelines and reciprocating pump lines


Zero Reset Function:One-key zero clearing at atmospheric pressure; compensates for position and temperature drift on site

Dimension Chart

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Wiring Diagram

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Phone: +86-19715617532
Add: Building 14, University Science and Technology Park, Fenghuangshan Economic Development Zone, Xiangshan District, Huaibei City, Anhui Province

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