A strain gauge is a type of electrical sensor. It's primary use is to measure force or strain. The resistance of a strain gauge changes when force is applied and this change will give a different electrical output. Strain gauges use this method to measure pressure, force, weight and tension.
Z-SG is a strain gauge signal converter. Measurements taken using the 6-wires or 4-wires technique are available through Modbus-RTU serial protocol or the analog output. Sensitivity from 1 to 64mV/V, settable by DIP-switch for integer values, via software for real/integer values by connecting to the device via the microUSB port on the front panel. Stable weight indication via Modbus register/digital output. Remote writing of the tare in volatile and/or non-volatile memory by digital input/Modbus register/Modbus commands. Z-PC-DINAL2-17.5, Z-PC-DIN2-17.5, and Z-PC-DIN8-17.5 are mandatory accessories for ModBUS configurations. TECHNICAL DATA POWER SUPPLY10..40 Vdc, 19..28 Vac (@50..60 Hz) POWER CONSUMPTION2,5 W INSULATION1.500 Vac a 3 vie ACCURACY CLASS0,01% STATUS LEDPower supply Error Tx Data Rx Data CONNECTIONSRemovable screw terminals for conductors up to 2.5 mm² MicroUSB port on front panel INTERFACESRS485 2 wires, speed up to 115.200 bps SUPPORTED PROTOCOLSModBUS RTU slave INPUT CHANNELS1 analog channel for reading (and power supply) up to 4 (350 Ω) or 8 (1,000 Ω) strain gauge load cells, 4 or 6-wire connection, equivalent impedance 87 Ω 1DI tare calibration or weight threshold OUTPUT CHANNELS1 analog retransmission channel of the net weight in current (0...20, 4...20 mA) or in voltage (0..5, 0..10 V); 1DO tare calibration or weight threshold MEASUREMENT / DIAGNOSTICSSensitivity from 1 to 64 mV/V RESOLUTION24 bit THERMAL DRIFT25 ppm/K DATA EEPROM for configuration parameters, retention time 40 years PROGRAMMINGPlug&Play configurator (EASY SETUP) System software (Z-NET4) DIP-switch
Supplier: Load cell transucer strain gauges
Supplier: Torque sensors and torque transducers, shaft power meters, bolt on strain gauges
Supplier: S type load cell, pan cake load cell, compression, column load cell, button type load cell, web tension load cell, strain gauge
Hastelloy Check Valves Weidouli valves co ltd offers a comprehensive range of Hastelloy check valve for all types of applications and industries including ressure seal check valve, Hastelloy dual plate check valve, Hastelloy nozzle check valve, Hastelloy single plate check valve, Hastelloy lift type check valve and Hastelloy swing check valve. Material Definition Of Hastelloy Check Valves Hastelloy is a nickel-molybdenum alloy. It contains ultra-low carbon and high Ni, Mo, and Cr elements, which belong to corrosion-resistant and high temperature-resistant materials. There are many different grades of Hastelloy, many of which are nickel-chromium-molybdenum alloys. Each of these grades has been optimized for a specific purpose, but all of them are highly resistant to corrosion. Material Features Of Hastelloy Valves Excellent corrosion resistance in the strong corrosion oxidative and the reducible acid medium. Applications of Hastelloy Check Valve In general, Hastelloy check valves are mainly applied for liquids, air, or gases. By the way, a Hastelloy check valve is only used to clean filtered or strained liquids or gases. To achieve the Hastelloy check valves clean from dirty, you can put a strainer with a good wire mesh at the head of the Hastelloy check valves. In addition, the valves are applied to serve for vacuum relief. The internal threads side of the valve is linked with the valve service. Features of Hastelloy Check Valve A Hastelloy check valve is made of titanium or alloy 20 for the body, piston, spring as well as locknuts. The seal of Hastelloy check valves is tight with the soft material of PTFE. Hastelloy check valves are tamper-proof because they can not adjust or remove externally to alter the pressure set once all the systems settle down. You can adjust the pressure setting into a factory set under certain circumstances. To reach the goal of a different pressure range, spare springs are able to adjust in the field. Operation of Hastelloy Check Valve Although a Hastelloy check valve is designed for a specific cracking pressure in the factory, it can be set in the field by removing the check valve from the piping system. Operating the right cracking pressure needs some tries and measurements. You also need a pressure gauge to verify the pressure. To achieve an ideal pressure state, Hastelloy check valves remain unscrewed from the mounting place. A Hastelloy check valve can increase the crack pressure by removing the line.
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