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Specifications
1.training device2.electrical sensor training equipment.
Electrical Equipment, Electrical Sensor Experiment Device
1. System overview:
Contains more than ten kinds of typical sensors and processing circuit. Standard thermometer table configuration, the experiment more perfect. Compact structure, small and light, the experiment accuracy is high, the power supply condition monitoring, Over current and overvoltage protection, safe and reliable operation. To adopt the new cables; Elastic contact, solid and reliable, and should not be pulled apart or cause drag mark; Join point locking type connectors, reliable contact, convenient to do experiment.
2. Sensor technical index:
2.1 Resistance strain sensor: consists of BHF foil type strain gauge , 6 pieces of work pieces, 2 pieces compensator.
2.2 Thermoelectric (thermocouple) sensor: the two copper - constantan thermocouple concatenated to the cold end temperature and that is ambient temperature.
2.3 Inductive sensor (differential transformer) : by one primary and two secondary coil winding and become transparent hollow coil, the core of soft magnetic ferrite, measuring range 0 ~ 12 mm.
2.4 Eddy current sensor: multiple strands of enameled wire winding flat coil and a variety of pieces of metal eddy current being measured, the linear range ≤3mm.
2.5 Hall sensor: Japan's JVC HZ type linear semiconductor production hall and placed in a gradient magnetic field compose of ring magnet steel, hall signal linear range > 3 mm.
2.6 Magnetoelectric sensor: compose of the coil and moving iron (permanent magnet steel), the sensitivity is 0.4 V/m/s.
2.7 Piezoelectric acceleration sensor: compose of bimorph PZT - 5 and a copper gage block. F≥10 KHZ, Q charge > 20 PC/g.
2.8 Capacitive sensors: two stator and a set of moving pieces constitute the differential variable area type capacitance, linear range ≥±3mm.
2.9 PN junction temperature sensor: using good linear temperature voltage characteristic of semiconductor PN junction constitutes the temperature sensor. Sensitivity:-2mV/°C
2.10 Thermistor: : semi-conductor thermistor NTC (negative temperature coefficient, when in 25°Cstate, it is 10 KΩ).
2.11 Piezoresistive pressure sensor: range: 35 KPa, power supply: ≤4V MPS piezoresistive pressure sensor.
2.12 Optical fiber sensor, optical fiber, transmitting and receiving circuits constitute light type sensors, linear range :10 mm. Infrared transmitting and receiving, 2 x 60 strands Y shape, semicircle distribution.
2.13 Gas sensor: Tp - 3: alcohol sensitivity, measurement range: 50 ~ 2000 PPM.
2.14 Humidity-sensitive sensors: high polymer thin film resistor type: RH: several M Ω – several K Ω, response time: moisture absorption, moisture is less than 10 seconds. Humidity factor: 0.5 RH % / °C, measuring range: 10% RH - 95% RH, working temperature: 0 °C - 50 °C.
2.15 Pyroelectric infrared sensors: remote infrared type
2.16 Photoelectric sensor: compose of the light coupling darlington output and shaping circuit. N=2400r/min
2.17 Silicon cells: Si solar type
2.18 Photosensitive resistance: CDS material, several Ω – several K Ω
2.19 photosensitive diode
2.20 phototriode.
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