Electronic Sensor

SMKBWLP-HA level transmitter is the full stainless steel construction and full-sealed submersible intelligent level transmitter with high accuracy. It uses highly reliable and stable pressure sensor, intelligent processing circuit, precise digital temperature compensation and linearity correction technics for production. The water-proof cable connects with housing sealed, with vented tube putting in, the transmitter could be used in the water or liquid in a long time. Integrated construction and standard output signal could provide easy operation and good automatic control. With 2-wire working, compact size, light weight and easy installation and operation, it is widely used for industry field instead of normal 2-wire 4~20mADC analog output transmitter.

Features

• 4mA~20mA DC 2-wire current output;
• Digital temperature compensation and linearity correction;
• RS485 communication interface(Custom protocol) or
• HART communication protocol(optional);
• Netting application;
• Full stainless steel construction, compact size, light weight;
• Special requirement available;
• RoHS Certificate;
• Intrinsic safe ex-proof version conforming to GB3836.4 ExiaⅡBT6 Ga Regulation; Ex-proof Certificate is issued;
• Marine type products accord with CCS classification of sea-going steel ships of the rules "(2015) the requirements, has obtained the type approval.

Description

The SMKBTRTD100 Waterproof 1m 30mm Probe PTFE FTARP05 Stainless Steel Pole Probe Temperature Sensor has a water-immersible probe suitable for precision air or liquid temperature measurements. You can immerse both the probe and the cable in the water for continuous operation. It also can be used with a thermal well.

Brief Introduction

The SMKBLWD Leaf wetness sensor is an important tool for observing and studying leaf wetness, preventing pests and diseases, and spraying sprinkler control. The accurate measurement of the moisture content of the leaf surface can be used to monitor the trace moisture or ice crystal residue. The shape of the sensor is simulated by the blade, which can simulate the characteristics of the leaf surface, so that it can reflect the situation of the leaf surface more accurately. By measuring the variation of the dielectric constant of the upper surface of the blade, the mist, water vapor and ice can be measured.

Brief Introduction

SMKBRTIR-1 is a compact infrared temperature sensor. The optical analysis system is sited in a compact aluminium shell. An 90° adjustable mounting bracket allows an easy installation. It’s designed for industrial, outdoor 7/24 monitoring.

It is composed of thermopile and a thermistor and working based a basic principle that All objects with a temperature above absolute zero emit electromagnetic radiation. The wavelengths and intensity of radiation emitted are related to the temperature of the object. 

By measuring the infrared radiation energy of their own, their surface temperature can be obtained by sensor, which is also greatest advantage of this sensor. 

Application Scopes

• Pavement roadway surface temperature monitoring
• Bridge surface temperature monitoring
• Plant canopy temperature monitoring
• Surface temperature monitoring of soil, snow cover, grass

Brief Introduction

SMKBDVIS-ECO is a low cost visibility sensor working based on forward scattering principle developed by us. Main application is for traffic purposes. Aluminum alloy shell with spray-powder make it will never rust, applicable to drilling platforms, ships, highways and other transport sector.

Using forward-scattering technique it measures the amount of particles in the air that limit the visibility. It emits pulses of infrared light and measures the intensity of the forward-scattered light of the suspended particles in the atmosphere, using suitable algorithms to convert the measurements to meteorological visibility values.

Advantages

• Flexible output options
• High-performance sensor at a competitive price
• Compact, lightweight package
• Simple installation & maintenance
• Integrated heater for all-weather operation

SMKBTHA-ECO Atmospheric Temperature, Humidity & Pressure Sensor is a  professional measurement of air temperature, relative humidity & barometric pressure. Sensors are built-in the water-proof and anti-UV shelter. It is widely used in agriculture, forestry, meteorology as well as a climate chamber, greenhouse, warehouse and other places. This model is equipped with 11 plates radiation shield to protect the sensors from solar radiation and rain.

Output Signal

• RS232（Modbus ASCII）
• RS485(Modbus/ASCII）

SMKNNO-PRO Noise sensor is a digital, modular and multifunctional sound level meter. The digital signal processing chip and digital detection technology are adopted, which have the advantages of high reliability, good stability, wide dynamic range, and no need of range conversion. It can be widely used in industrial noise measurement of various machines, vehicles, ships, electrical appliances, etc., and can also be used in environmental noise, labor protection, and industrial hygiene measurement.

Load capacity ：

• Current output impedance ≤350Ω, when DC24V power supply,
• current output impedance ≤900Ω voltage output impedance ≥1KΩ

Output signal：

• RS485（Modbus ASCII）
• RS232（Modbus ASCII）
• 4-20mA
• 0-20mA
• 0-5V
• 0-2.5V
• 1-5V

SMKBSRG total radiation sensor uses pyroelectric sensor principle, used in conjunction with various radiation the total solar radiation, the reflected radiation, scattered radiation, infrared radiation, visible light, ultraviolet radiation, long wave radiation.

Core inductive element of the sensor, using winding plating multi-contact thermopile, its surface is coated with the black coating of the high absorption rate. The hot junction is located in the body, hot and cold contacts to generate thermoelectric power. Within the linear range, in proportion to the output signal and solar irradiance.

The double glass is in order to reduce the impact of the air convection radiation table, the inner cover is set in order to cut off the infrared radiation of the nacelle itself.

Application
This sensor is used to measure the spectral range of 0.3-3μm,solar radiation, can also be Used to measure the incident solar radiation to the slant of the reflected radiation can be Measured, such as the induction downwardly facing, light shielding ring measurable scattered Radiation. Therefore, it can be widely applied to the use of solar energy, meteorology, agriculture, building materials, aging and atmospheric pollution and other departments to do the measurement of solar radiation energy.

KBQ-WINDSONIC two parameter integrated meteorological sensor is a professional sensor developed by our company to measure various meteorological elements. It can simultaneously measure two meteorological parameters, wind direction and wind speed. It has the advantages of high accuracy, fast response time, strong anti-interference ability, serial port output and so on. Users can measure directly through PC or external instruments.

Features

• Integrated design of multiple sensors,(No need for a receiver )
• Design of maintenance free system,(Simple installation)
• Open system protocol
• Ultrasonic measurement principle
• Standard RS485 output,(Optional RS232)
• Ultra low power design,(0.2W) 12V/24V
• Industrial-grade protective casing for long-term field use
• Very Fast Response time < 250 mile second
• Wide Temperature Range -40 to +85deg C

The Solar UV Sensor adopts the photoelectric detector to receive the ultraviolet wave electrical signal. This product is one kind of precision instruments which is used to measure the solar ultraviolet radiation from the atmosphere (UVAB wavelength range), used in conjunction with the data logger, which can provide information on the public concern: the UV index, UV erythema measuring, the effects of the UV on person health and UV special biology and chemistry. Therefore, it is highly valued in meteorology, industry, architecture and medicine, and widely used in the study of erythema dose caused by exposure, comprehensive  environmental ecological effect, climate change and ultraviolet monitoring and prediction.

The interior of the wind direction sensor uses a precision angle sensor, and selects the low inertia ABS wind vane to respond to the wind direction with good dynamic characteristics. The product has the advantages of good linearity, high precision, no dead spots, strong anti-lightning ability, convenient observation, stable and reliable. It can be widely used in the fields of weather, ocean, environment, airports, ports, laboratories, agriculture, industry and transportation.

Output Options:

• Current: 0～20mA
• Current: 4～20mA
• Voltage: 0～5V
• Voltage: 1～5V
• Voltage: 0～2.5V
• RS232: (ASCII ModBus)
• RS485: (ASCII ModBus)
• Current output impedance ≤350Ω (DC12V power supply)
• Current output impedance ≤900Ω, Voltage output impedance≥1KΩ. (DC24V power supply)
• Operating environment: Temperature -35℃～80℃; Humidity≤100%RH

The wind speed sensor adopts the traditional three wind cup structure, the wind cup is made of ABS material, and has high strength and small starting wind speed. The cup body built-in signal processing unit can output the corresponding wind speed signal according to the user demand. It has variety of output method such as RS485/RS232, pulse, voltage and current, which can be widely used in advertising barrier, meteorology, ocean, environment, airports, ports, laboratories, Industry and agriculture and transportation and other fields.

Calculation Formula

• Pulse mode ( High level: 5V; Low level: 0V):W =0; (F= 0)W =0.1+0.0875×F (F≠ 0)(W: value of wind speed m/s, F: The number of pulses in one second)
• Current type (Range 45m/s):W = (I
• 4)×45/16(W: value of wind speed m/s；I：current type 4-20mA)
• Voltage type (Range 45m/s):W =V/5×45(W: Range m/s；V：voltage signal 0-5V)

Structure Details

• Installation aperture : 3.2mm
• Distribution diameter : 63mm
• Interface dimension : 15mm (suggest reserving 25mm for wiring, fix sensor after wiring and installing)

Output :

• Pulse: Pulse signal (NPNR PNP)
• Current: 0～20mA
• Current: 4～20mA
• Voltage: 0～5V
• Voltage: 1～5V
• Voltage: 0～2.5V
• RS232: (ASCII ModBus
• RS485: (ASCII ModBus)

Other Load capacity :

• Current output impedance ≤350Ω (DC12V power supply)
• Current output impedance ≤900Ω, Voltage output impedance≥1KΩ. (DC24V power supply)

The BGT-PAR photosynthetically active radiation sensor, also known as the photon quantum number, is mainly used to measure the photosynthetically active radiation of natural light in the wavelength range of 400 to 700 nm, and is simple to use, and can be directly connected to a digital voltmeter or a data collector, and can be used under all weather conditions.

The meter uses a silicon photodetector and passes through a 400-700 nm optical filter. When illuminated by light, a voltage signal proportional to the intensity of the incident radiation is generated, and its sensitivity is proportional to the cosine of the direct angle of the incident light. Each photosynthetic active radiation meter gives its own sensitivity and can be read directly. The unit is μmol/m2·s. This table is widely used in agricultural meteorology and crop growth research.

SMKBSMT-VWC Soil temperature and moisture sensor is composed of power supply module, converter module, zero drift and temperature compensation module and data processing module. The sensor has built-in functions of signal sampling and amplification, zero drift and temperature compensation, and the interface is simple and convenient.

Features :

• High Stability
• High Accuracy
• Fast Response
• Easy Installation

Applications :

• Agriculture irrigation
• Green house
• Grass farm
• Environment monitoring
• Water conservation
• Soil testing

SMKNTH-ECO Atmospheric Temperature &Humidity Sensor is a professional measurement of ambient temperature and relative humidity. Sensors are built-in the water-proof and anti-UV shelter. 10 plates radiation shield is used to protect weather sensors and provides more accurate measurement results. The shield minimizes radiation reaching the sensor, minimizes radiation absorbed by the shield and maximizes ambient air flow around the sensor.

It is widely used in agriculture, forestry, meteorology as well as a climate chamber, warehousing and other places.