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QDL80B-YG Flush Diaphragm Digital Pressure Gauge for Process Media

A battery-powered, IP65 flush-diaphragm digital pressure gauge delivering clog-resistant, stable local monitoring for residue-prone industrial process media.
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QDL80B-YG Flush Diaphragm Digital Pressure Gauge

QDL80B-YG flush diaphragm digital pressure gauge designed to reduce process media residue and connection blockage

Flush Diaphragm Reduces Residue and Blockage

QDL80B-YG is a digital pressure gauge designed around “Flush Diaphragm Reduces Residue and Blockage.” 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 pressure monitoring, food process 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-YG digital pressure gauge with clear local LCD display for faster field inspection and commissioning

Clear Local Display for Faster Field Inspection

QDL80B-YG 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 pressure monitoring, food process 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-YG flush diaphragm pressure gauge for continuous process media pressure measurement and monitoring

Reliable Pressure Measurement for Process Media

QDL80B-YG is a digital pressure gauge designed around “Reliable Pressure Measurement for Process Media.” Matches the measuring structure to the specified medium and operating conditions. The sensing principle and material arrangement are matched to the process medium and the applications stated in the source table. The feature is directly relevant to pressure monitoring, food process and industrial process projects. Match the medium and process conditions of 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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