PC200-8 Komatsu Excavator Dust Indicator Sensor 7861-92-1430
Basic Info
Model No.: 7861-92-1430
Product Description
PC200-8 Komatsu Excavator Dust Indicator Sensor 7861-92-1430
AIR FILER SENSOR FOR 7861-93-1430 7861-93-1431-7861-93-1432 for Komatsu PC200LC-8 excavators
Dust Indicator Sensor 7861-92-1430 is fitting on Komatsu PC200-8 PC200-8MO Excavator . Operating principle and Working Process :To provide sensor + 15 v power supply, the crystal oscillator in excitation circuit that produce 400 hz square-wave, after TDA2030 which produce ac excitation power supply, power amplifier through energy ring transformer T1 from the stillness of the primary coil to the rotation of the secondary coil, get on the ac power through the axis of rectifier filter circuit to get + 5 v dc power supply, the power supply operational amplifier AD822 work power;The high-precision stabilized voltage supply composed of the reference power supply AD589 and the dual operational amplifier AD822 generates a precision dc power supply of 4.5v, which serves as both a bridge power supply and a working power supply for the amplifier and the V/F converter.When elastic shaft torsion strain bridge detection of mV level of strain signal by instrumentation amplifier AD620 amplifier into 1.5 v + / - 1 v strong signal, again through the v/F converter LM131 transform into frequency signal, through the ring transformer T2 signal from the primary coil of the rotating and static secondary coil, and then through the signal processing circuit of sensor shell filter, plastic and elastic bearing can be affected by the torque is proportional to the frequency signal, the signal as TTL level, as well as provide special secondary instrument or frequency meter display can also directly send computer processing.Due to the rotating transformer only a few tenths of a millimeter gap between the moving and static ring, and the sensor shaft part is sealed in the metal shell, forming an effective shield, so it has a strong anti-interference ability.
Dust Indicator Sensor 7861-92-1430 Specifications
Place of Origin: Janpan
Brand Name: Komatsu
Excavator Model Number: PC200-7 pc200-8MO
Type: Sensors
Engine Application: S6D114 Komatsu Engines
Part no: 7861-92-1430
WEIGHT: 0.5 KG
PC200-8 Komatsu Excavator Dust Indicator Sensor 7861-92-1430
The frequency signal output by this sensor is 10kHz at zero point, 15KHz at full range with forward rotation, and 5KHz at full range with reverse rotation.So the full range variable is 5,000 per second.The rotation speed is measured by photoelectric gear or magnetoelectric gear, and 60 pulses can be generated per rotation of the shaft. Frequency measurement can be used for high-speed or medium-speed sampling, and cycle measurement can be used for low-speed sampling.The sensor accuracy can be up to 0.2% ~ 0.5% (F?S).Since the output of the sensor is a frequency signal, it can be directly sent to the computer for data processing without AD conversion.
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Company Profile
Jining Kunpeng Construction Machinery Equipment Co., Ltd. was established in 2013 with a registered capital of 200 million yuan, the existing staff of 36 people, is engaged in engineering machinery products and accessories, specialized companies, with independentimport and export rights. The main agent of Komatsu excavators and bulldozer , shantui bulldozer electrical products, Donaldson air filter products; Japanese (Mitshubishi, Komatsu, Isuzu, Kubota, Yanmar ) engine machine and spare parts; Cummins, Deutz diesel engine spare parts, Marine and generator diesel engine spare parts, On firewood, Weichai, large diesel engine accessories; selling well-known brands hydraulic pumps, motors, hydraulic valves. Companies and domestic excavator manufacturing plant (Sany, Lianzhong Branch, Hill redevelopment machine, SDLG, Strong Construction Machinery Co., Ltd., Foton Lovol, Shandong liShide) in close cooperation, has successfully supportingJapanese electronics products, Donaldson air filter, excavator cab, mufflers, Danfoss Auto products, DSE, COMAP, WOODWARD CONTROLLER and other products, with high quality products and perfect after-sales service, won the manufacturers of high praise.
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