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Electronic Technologies and Metrological Systems Company

4 Savelkinsky Proyezd, 21st floor, Zelenograd (Moscow), Russia, 124482 (Sales department: Office 2104)

zetms@made-in-zelenograd.com

AppearanceNameApplications
AccelerometersAccelerometers are used for measuring vibration levels as well as diagnosing mechanisms and engines. Accelerometers measure vibrations in the foundation of the building from 0.001g and blows up to 5,000g.
Hydrophones, pressure sensors, microphonesThe sensors are used to measure dynamic or static pressure in the water or air. They have varying levels of sensitivity for various operating conditions.
Force sensors, impact hammersThe sensors measure the variable component of the force acting on the object of measurement. In contrast to strain gauge load cells, which are static, these sensors can help you to estimate the transfer characteristic of the design.
Acoustic emission transducersAcoustic emission is the propagation of elastic vibrations, (acoustic waves) generated by the sudden deformation of stressed material. The basic principle of diagnosing engineering installations and structures is the passive collection of information from a multitude of sound (and ultrasonic) sensors and processing them in order to determine the degree of wear of the structure.
Torque sensorsTorque sensors were developed for taking static and dynamic measurements of torque as well as monitoring the speed and angle of rotation. They are designed to measure small, medium and large torques and can be used in various test benches of assemblies and machines for monitoring and regulation purposes. Torque sensors can be used in various industries.
Displacement sensorsSensors are used to measure distance or displacement. These sensors can record low-frequency oscillations.
Eddy current sensorsEddy current sensors are designed for noncontact measurement of vibration displacement and the rotation frequency of conductive objects.
Speed sensorsNoncontact optical rpm sensors or tachometer transducers provide the formation of pulses whose frequency of repetition is proportional to the frequency at which tachometric tags installed on the element (shaft) of a rotating object pass through the sensor's region of sensitivity
Thermocouple and thermistorThe sensors can measure temperature in various environments from -200 to +1,500C in many places simultaneously.
Load cellsA load cell is a transducer that measures the deformation of solid bodies caused by mechanical stresses and converts it into an electrical signal intended for transmission, conversion and recording.
Current and voltage sensorsThese sensors measure AC and DC voltage and current, with or without contact. They are used in power quality control systems.
AccessoriesCharge amplifiers, equivalents of sensors, fittings, adapters, cables, everything you need for convenient and reliable accelerometer operation.
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Vibration sensor verification and calibration systemThis system is designed for checking and calibrating vibration sensors on a shaker or shock installation by comparison with an exemplary sensor in accordance with the MI 1873-88 checking method
Microphone and sound level meter verification and calibration systemThis system is designed for initial and periodic checking of microphones and sound level meters in accordance with GOST 8.257, IEC 60651 and IEC 60804. The system includes: a spectrum analyzer, an electrostatic actuator, reference microphones, preamps and electrical equivalents of microphones.
Influence of external factors and indications for operationMeasurements are strongly influenced by temperature and humidity, the presence of an electro-magnetic field, transverse sensitivity and deformation of the object being tested. You should also consider the the cable effect, the effect of ground loops, the displacement of the zero line, etc. In order to correctly interpret measurements taken in conditions different from the rules of operation, carefully study the influence of various external factors.
Mounting and dismantling of accelerometersAccelerometers must be mounted securely and in such a way as not to limit the effective frequency and amplitude ranges. Depending on the scope of use and purpose of the vibration sensor, you can choose magnetic, threaded or adhesive mounting. Accelerometers must be properly dismantled in order to use them again.

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