Current Sensor Brief Introduction/Functions Suitable for isolation and accurate measurement of AC, DC, and pulsating currents, with complete insulation between the primary and secondary sides during measurement. Product Parameters/Key Technologies Rated measuring current: 0-4000A; Power supply voltage: DC ± (15-24) × (1 ± 5%) VBasic error (+25 ℃): 0.4% - 1% Working temperature: -40 ℃-85 ℃ Product features: High precision, fast response, and high reliability based on Hall principle Application Cases It is used to measure current signal of energy converter in the scenarios of railway locomotive, EMU, passenger car and urban rail transit.
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Voltage Sensor Brief Introduction/Functions Suitable for isolation and accurate measurement of AC, DC, and pulsating voltages, with complete insulation between the primary and secondary sides during measurement. Product Parameters/Key Technologies Rated measuring voltage: 0-6400V; Power supply voltage: DC ± (15-24) × (1 ± 5%) VBasic error (+25 ℃): 0.5%- 1% Working temperature: -40 ℃~85 ℃ Product features: High precision, fast response, and high reliability based on digital isolation and magnetic modulation principles Application Cases It is used to measure voltage signal of energy converter in the scenarios of railway locomotive, EMU, passenger car and urban rail transit. |
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Speed Sensor Brief Introduction/Functions Perform non-contact measurement of ferromagnetic gear speed by speed sensor based on Hall principle, which is simple and reliable, and maintenance free. With stainless steel enclosure, it is suitable for harsh application environments, and can be customized according to customer needs. Product Parameters/Key Technologies Working frequency: 0Hz~20kHz Number of output channels: 1, 2 or 4 Output waveform: square wave Output signals: voltage type and current type Application Cases Speed sensor based on Hall principle is applied to measure the speed of traction and braking systems of railway locomotives, EMUs, passenger cars, and urban rail transit vehicles. |
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Pressure Sensor Brief Introduction/Functions Based on the principle of silicon piezoresistive principle, the pressure sensor with oil-filled core is used.It is specially designed for pressure measurement of rail transit, which is simple, reliable, maintenance free, and suitable for harsh application environment of locomotives. The signal processing circuit has functions of zero point adjustment, sensitivity adjustment, and temperature compensation. Simple threaded installation. It can be customized according to customer needs. Product Parameters/Key TechnologiesWorking temperature: -40 ℃-125 ℃ Measuring range: 0psi-200psi (gauge pressure or absolute pressure) Measuring medium: Various liquids, gases, or vapors that are compatible with 316L stainless steel. Output signal: 0.5Vdc-4.5Vdc (4-20mA)Basic error: ± 1% FS (full temperature range) Application Cases The product is mainly used to measure pressure for various systems of railway locomotives, EMUs, passenger cars, and urban rail transit vehicles. |
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Temperature And Temperature-Vibration Sensor Brief Introduction/Functions The temperature sensor converts the temperature of the measured part into a resistance value and provides it to different systems. The temperature-vibration sensor converts the temperature of the measured part into a resistance value, and the vibration magnitude into a voltage value, and provides them to the temperature-vibration system. Product Parameters/Key TechnologiesSensitive elements: PT100, thermistor 40K, and thermocouple Working temperature: -40 ℃-+125 ℃ Voltage withstand: 2500DAC and 4000VAC Allowable error level: B Product features: high precision, fast response, and high reliability Application Cases It is used to measure temperature of locomotive diesel engine control unit system, EMU axle temperature alarm system, traction converter cooling system, urban rail traction motor, and other parts. |
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Displacement Sensor Brief Introduction/Functions The displacement sensor converts the linear displacement or angular displacement of the track into a potentiometer voltage value, and outputs the voltage value to the tamping system. Product Parameters/Key TechnologiesWorking temperature: -25 ℃~+70 ℃ Power supply voltage: ± 10V, 0-24V, ± 15V IP rating: IP65 Communication baud rate: 800K Insulation resistance: ≥ 50M Ω @ 500V DCVoltage withstand: DC 710V Application Cases It is applied to the field operation of large engineering machinery such as tamping car, continuous tamping car, switch tamping car, and automatic leveling &tamping car. |
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Measuring System Aand Others Brief Introduction/Functions NSD7 series energy consumption measuring device realizes high-precision energy consumption measurement of vehicle electricity consumption, with customization, long-term energy consumption data storage, and other functions.Based on the requirements of vehicle system measurement and health status monitoring, customized measurement systems can be developed. Product Parameters/Key TechnologiesTechnical parameters of NSD7 series energy consumption measurement device: Multi-channel synchronous signal acquisition: support up to 8 channels of signalHigh frequency signal sampling: 10KHz sampling rateStorage space: At least 180 days of storage (1 piece of energy consumption data in 1 minute)Real-time clock: Error is less than or equal to 1 minute per month. In case of power outage, the clock can continue to operate for 15 days and can be externally calibrated;High measuring accuracy: Meet the 0.5R Class in EN50463 standard within full temperature rangeWorking temperature: -40 ℃~85 ℃ Application Cases It is applicable for calculation, accumulation, storage, and analysis of electricity consumption information for urban rail transit vehicles to provide data support for energy-saving scheduling. |
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