PST350 is a high-precision portable universal force/weight display control instrument that can be used with various force sensors. It can perform high-speed acquisition and processing of sensor signals up to 1600Hz, display force/weight values in real time, and features functions such as peak and valley capture, upper and lower limit comparison output, automatic zeroing and zero/creep tracking, and over-range alarm. It also supports Bluetooth wireless connection to mobile phone apps (for real-time monitoring, data recording, and alarm settings) and RS485 wired communication (Modbus-RTU/ASCII/HEX protocols). The built-in lithium battery can operate continuously for about 30 hours, making it widely applicable to scenarios requiring precise force measurement and automated control, such as industrial inspection, material testing, weighing and batching, and quantitative control

PST Analog Resistance Load Cell Indicator Display Strain Gauge Data Logger Weighing Indicator 4-20mA for Load Cell

The PST Analog Resistance Load Cell Indicator Display Strain Gauge Data Logger Weighing Indicator 4-20mA for Load Cell is a versatile and robust solution tailored for high-precision measurement and industrial weighing applications. Designed by JIANGXI JINGCE SENSING TECHNOLOGY CO., LTD., this product integrates advanced analog resistance conversion, precise display functions, data logging capability for strain gauges, and reliable 4-20mA output for industrial control systems. It brings together the core features demanded by modern weighing and force measurement systems, and targets sectors such as lifting, weighing, automation, and new energy where accuracy and repeatability are essential.

Key Features and Functionality

- Precision Load Cell Indicator: The PST Analog Resistance Load Cell Indicator Display Strain Gauge Data Logger Weighing Indicator 4-20mA for Load Cell serves as a high-accuracy load cell indicator. It converts small analog resistance changes from strain gauge bridges into stable digital readings. The load cell indicator function delivers clear, real-time weight and force data on a backlit display, providing operators with immediate, reliable information for process control and quality assurance.

- Strain Gauge Data Logger Capabilities: The device incorporates strain gauge data logger functionality, capable of recording measurement streams from load cells over time. This enables detailed analysis of load variations, trend identification, and historical record-keeping for compliance and troubleshooting. The strain gauge data logger is designed to capture high-resolution samples and store them locally or transmit them via integrated interfaces for centralized monitoring.

- 4-20mA Weighing Indicator Output: The PST product includes a standard 4-20mA weighing indicator output, enabling analog transmission of weight or force signals to PLCs, DCS, and other industrial controllers. The 4-20mA weighing indicator interface ensures long-distance signal integrity and compatibility with existing industrial automation systems, making it a seamless addition to process control loops or remote monitoring setups.

- Robust Analog Resistance Interface: Supporting analog resistance inputs commonly used in strain gauge load cells, this indicator excels in environments where direct resistance measurement is preferred. The analog resistance interface supports multiple load cell configurations and provides stable excitation and measurement circuitry that minimizes drift and noise, ensuring consistent readings under varying environmental conditions.

Applications and Use Cases

- Industrial Weighing Systems: As a 4-20mA weighing indicator and load cell indicator, this device is ideal for scales, load monitoring platforms, and industrial weighing stations where accurate weight reporting and analog control outputs are needed.

- Structural and Materials Testing: The strain gauge data logger function makes the indicator well-suited for testing rigs and laboratories that perform tensile, compression, and fatigue testing. The device records strain gauge outputs and logs them for post-test analysis.

- Lifting and Safety Monitoring: Integrating with load cells on cranes, hoists, and lifting equipment, the load cell indicator provides continuous weight monitoring and alarm outputs to prevent overloads and ensure operator safety in lifting operations.

Technical Innovations and Advantages

- High-Resolution Measurement Chain: PST’s expertise in high-precision load cells is reflected in the instrument’s analog-to-digital conversion chain. The device provides low-noise amplification, stable excitation for strain gauge bridges, and high-resolution ADCs that yield repeatable and accurate readings for the load cell indicator.

- Reliable 4-20mA Transmission: The design emphasizes robust current-loop performance, ensuring the 4-20mA weighing indicator output remains accurate across temperature variations and long cable runs. This dependable analog output is crucial for industrial control systems that require continuous, interference-resistant signals.

- Flexible Data Logging Strategies: The strain gauge data logger supports configurable sampling rates and logging triggers, enabling users to balance storage needs against temporal resolution. Logged data can be time-stamped for traceability and exported for further analysis, making the device suitable for compliance records and performance audits.

Why Choose PST

JIANGXI JINGCE SENSING TECHNOLOGY CO., LTD. brings years of experience in designing and manufacturing high-precision load cells, force sensors, and wireless dynamometers. The PST product line emphasizes quality, certification, and customization. With CE and RoHS certifications, PST offers OEM and ODM options that meet the demanding specifications of lifting, weighing, automation, and new energy industries worldwide. Choosing PST means accessing a proven load cell indicator platform that integrates strain gauge data logger capabilities and a 4-20mA weighing indicator output—backed by technical support and an emphasis on measurement fidelity.

Installation and Maintenance Notes

- Calibration: Perform initial calibration with the specific load cell assembly to ensure the load cell indicator provides accurate readings. Use the device’s menu-driven calibration process to set zero, span, and scaling factors.

- Wiring: Follow recommended wiring practices for analog resistance inputs and 4-20mA outputs to minimize noise. Use shielded cables and proper grounding when installing in electrically noisy environments.

- Data Management: Configure the strain gauge data logger according to the desired sampling frequency and storage retention policies. Regularly back up logged data for traceability and analysis.

- Environmental Considerations: Install the device in a suitable enclosure if operating in harsh conditions. Verify sealing and ingress protection requirements for the intended application site.