Torque tester, simple operation, precise detection, paperless testing, LCD display, and APP data collection

1. The multi-channel intelligent wireless standard force gauge adopts an aluminum alloy housing, compact design, and ultra-long battery life. It supports both mobile APP and computer operation modes, enabling seamless paperless recording.

2. It offers two working modes: it can directly connect to force sensors to form a force measurement system, utilizing an LCD screen and physical buttons for display and operation, fulfilling all functions of a conventional force gauge. Alternatively, it can wirelessly connect via Bluetooth to smartphones, tablets, or laptops through dedicated APP or acquisition software to form an intelligent wireless standard force gauge. This enables operations such as control, acquisition, display, and recording, allowing on-site documentation of data and curves during verification, thereby generating calibration records.

3. Force acquisition accuracy: ±0.005%; Sensitivity range: -4.5mV/V to +4.5mV/V. When paired with corresponding sensors, it can form a standard force gauge with an accuracy class of up to 0.01. It is compatible with bridge circuit force sensors and generally suitable for most force or torque sensors currently available.

4. Features a large LCD display, switchable sampling frequencies, and display sensitivity coefficients. It can calibrate and store up to 32 sensors, with real-time synchronization between the LCD display, APP, and computer interface. It can be used independently or simultaneously with the LCD, APP, and computer for measurements. Each channel stores information including calibration coefficients, display digits, gravitational acceleration coefficient, sensor model, measurement range, manufacturer, serial number, calibration certificate number, and certificate validity period.

Comprehensive Error: ≤0.3% F.S
Non-Linearity: <0.15% F.S
Repeatability: ≤0.15% F.S
Hysteresis: <0.15% F.S
Creep: ≤0.01% F.S/30min
Sensitivity Temperature Drift: ≤0.015% F.S/°C
Zero Temperature Drift: ≤0.05% F.S/°C
Safe Overload Range: 120% F.S
Standard Cable Length: 3m

1. Factory Testing and Calibration of Hydraulic Wrenches: Hydraulic wrench manufacturers use this equipment to precisely calibrate and conduct final inspections of the linear relationship between output torque and oil pressure before products leave the factory, ensuring each wrench delivers "accurate gauge pressure and precise torque."

2. Regular Tool Verification and Maintenance: User units (e.g., engineering companies, maintenance teams) periodically perform performance rechecks on in-service hydraulic wrenches to detect issues such as accuracy deviations due to prolonged use, internal hydraulic circuit leaks, or hydraulic pump station failures. This ensures the tools remain in optimal condition, preventing safety and quality incidents caused by tool inaccuracy.

3. Process Verification and Tool Confirmation Before Construction: It is prior to critical fastening operations (e.g., wind turbine hoisting, reactor installation), on-site testing of the hydraulic wrench and pump station combination to be used is conducted to verify whether their current performance meets the torque requirements of the process, ensuring absolute reliability.

4. Quality Traceability and Data Management: It provides electronic records for each torque verification for industries with extremely high fastening quality requirements (e.g., nuclear power, chemical, shipbuilding), creating traceable digital archives that comply with quality management systems (e.g., ISO9001) and industry standards.

Frequent Questions

1. Does this torque tester require frequent calibration? What is the calibration cycle?

Yes, to ensure absolute accuracy of test results and traceability of measurement values, regular calibration is mandatory.
Recommended Calibration Cycle: Typically 1 year. If usage frequency is very high or extreme accuracy is required, this can be shortened to 6 months.
Calibration Authority: Should be sent to national statutory metrology institutions (e.g., provincial/municipal metrology institutes) or third-party calibration laboratories with CNAS accreditation for calibration, and a valid calibration certificate should be obtained.
2. How is "paperless recording" specifically achieved? Can data be exported?

"Paperless recording" refers to the system's ability to automatically record and store data from each test via the built-in force gauge software.
Implementation Method: After testing is completed, data (such as peak torque, corresponding oil pressure, test date, operator, etc.) is directly saved in the force gauge system.
Data Export: Yes, data can be exported. Typically via USB interface or Bluetooth/Wi-Fi wireless connection, data can be exported with one click into universal formats (e.g., Excel, CSV, or PDF reports), facilitating archiving, analysis, or printing on a computer, completely eliminating manual paper-based recording.
3. Is it necessary to change the fixture when testing hydraulic wrenches of different models and specifications?

Usually, yes. Test fixtures (reaction arms, drive sockets, etc.) are designed to match the different drive square sizes (e.g., 1 inch), bolt center distance (L value), and socket specifications of hydraulic wrenches. To ensure stability and safety during testing, it is essential to equip the hydraulic wrench under test with a dimensionally compatible and sufficiently strong dedicated test fixture. A complete test system typically offers a variety of commonly used fixtures as options.

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