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QDL80B Battery-Powered Digital Pressure Gauge for Industrial Pressure Monitoring

A battery-powered IP65 digital pressure gauge with 304 SS wetted parts and clear LCD for reliable, stand-alone local pressure monitoring in industrial pipelines and process equipment.
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QDL80B Battery-Powered Digital Pressure Gauge

QDL80B battery powered stand-alone digital pressure gauge with local LCD pressure display and battery status indication

Battery-powered Stand-alone Pressure Measurement

QDL80B is a digital pressure gauge designed around “Battery-powered Stand-alone Pressure Measurement.” 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 pressure monitoring, compressed air system 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 digital pressure gauge with 5-digit LCD and selectable MPa bar psi pressure units

5-digit LCD with Multiple Pressure Units

QDL80B is a digital pressure gauge designed around “5-digit LCD with Multiple Pressure Units.” 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 pressure monitoring, compressed air system 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 industrial digital pressure gauge for reliable pressure measurement in pipelines compressed air and process systems

Reliable Pressure Measurement & Conversion

QDL80B 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 pressure monitoring, compressed air system and industrial process projects. Improve measurement clarity and maintenance efficiency in pressure monitoring 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

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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