Nanchong construction standard selection criteria: 0.1 level testing machine, standard force gauge 30kN

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Nanchong standard selection criteria for building standards -0.1 level testing machine -30kN standard testing machine - Product featuresMade in China, including force sensors, weighing sensors, various customized sensors, automated force sensors, and industrial explosion-proof weighing sensor modules. As the core component of weighing and force measurement, sensors have strict long-term stability control of 0.03%. Various aluminum weighing sensors, measuring and testing standard force measuring instruments, and small handheld digital force measuring instruments are welcome to inquire by phone;

Nanchong construction standard selection criteria: 0.1 level testing machine, standard force measuring instrument, 30kN image：

　　1.2 Placement time

　　The force measuring instrument should be placed for a sufficient period of time under the calibration conditions to ensure that the temperature is the same as and hidden under the calibration conditions. The recommended placement time for the force gauge is not less than 8 hours.

　　During the verification process, there should be no vibration, impact, electromagnetic field, or other interference sources around that could affect the verification results

　　1.4 Preheating

　　Verify that the corresponding variable force measuring instrument (or other force measuring instruments with power supply system) is powered on and preheated. The preheating time should comply with the manufacturer's regulations.

　　Note: The manufacturer does not specify the preheating time for the force gauge, which is generally preheated for 30 minutes to 1 hour.

　　1.5 Loading conditions

　　The installation of the force measuring instrument should ensure that its main axis coincides with the loading axis of the force base (standard) machine.

　　1.5.2 Compression force gauges should generally be equipped with upper and lower pressure pads. The supporting surface and bottom surface of the force measuring instrument should be flat and free from rust, scratches, and debris.

　　1.5.3 Suitable connectors should be used at both ends of the tensile force measuring instrument, and the connectors should ensure that the force base (standard) machine can safely apply axial force to the force measuring instrument.

　　1.6 Verification equipment

　　The principle of expanding the uncertainty of the force value of the force base (standard) machine or loading device for verifying various levels of standard force measuring instruments is three times the long-term stability or indication error index of the tested force instrument.

　　JJF1469-2014 (Calibration Specification for Strain Gauge Sensor Measuring Instruments), JJG144-2007 (Verification Regulations for Standard Force Measuring Instruments),

　　JJG557-2011 (Standard Torque Meter Verification Regulations), JJG391-2009 (Load Sensor Verification Regulations),

　　OIML-R60 (GUO International Legal Metrology Organization Technical Standard for Weighing Sensors)

　　The NIM-ZY-LS-CL-035 standard load measuring instrument testing/calibration rules, registered with the China Institute of Metrology, are the preliminary technical standards based on which the current dynamometer indicator instrument testing/calibration is carried out. They have been replaced by the JJF1469-2014 standard.

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