Description

Apogee Instruments ST-110-310 is a high-performance thermistor temperature sensor designed for precise measurement of ambient temperature.As a member of Apogee Instruments’well-known temperature sensor series,ST-110-310 is committed to providing excellent measurement accuracy and long-term stability,playing a key role in various industrial automation and environmental monitoring applications.This sensor uses high-precision thermistor components and combines Apogee Instruments’expertise in sensor technology to ensure reliable performance over a wide temperature range.

The core value of ST-110-310 lies in its ability to provide highly accurate and responsive temperature data,which is crucial for industrial processes,agriculture,scientific research,and HVAC systems that require precise environmental parameter monitoring.Its unique design aims to minimize solar radiation load and thermal conduction effects,ensuring that the measured temperature truly reflects environmental conditions rather than being affected by external interference.Apogee Instruments ST-110-310 is typically integrated into larger control systems or data acquisition units as a critical device for front-end data acquisition,providing reliable temperature inputs for complex automation and optimization decisions.

Ocapel ST110-310

technical specifications

Product model:ST-110-310(speculated to be ST-110-SS series)

Manufacturer:Apogee Instruments

Product type:Thermistor Temperature Sensor

Measurement range:-50°C to 70°C

Measurement uncertainty:±0.1°C(0°C to 70°C);±0.4°C(0°C to-40°C)

Measurement repeatability:less than 0.01°C

Long term drift:less than 0.02°C/year(non condensing environment,annual average temperature below 30°C)

Inductive element:high-precision thermistor

Cable type:Signal cable(usually with white heat shrink tubing to reduce solar load)

Wire:Constantan wire,minimizing thermal conductivity

Protection level:Designed for the environment,usually not labeled with IP,but should be used inside a protective cover

Compatibility:Can be paired with Apogee TS-100 suction radiation protection cover and other multi panel protection covers

Power supply:usually passive sensors,powered by a data acquisition system

Output signal:Resistance output(thermistor characteristics)

Main features and advantages

High precision measurement:Apogee Instruments ST-110-310 stands out with its excellent measurement accuracy,with a measurement uncertainty of only±0.1°C in the range of 0°C to 70°C.This high precision is crucial for applications that require strict temperature control or precise environmental data recording,such as precision agriculture,scientific research experiments,or environmental monitoring in industrial processes.

Minimize solar load and heat conduction:The sensor is ingeniously designed with a white heat shrink sleeve to reduce direct heating of the sensor element by solar radiation,and uses a Constance wire to minimize heat conduction from the cable itself to the thermistor.These optimization measures ensure that the ST-110-310 measures the true ambient temperature,rather than deviation values influenced by external heat sources,thereby providing more reliable data.

Excellent long-term stability:ST-110-310 exhibits outstanding long-term stability with an annual drift rate of less than 0.02°C(under specific environmental conditions),making it ideal for applications that require long-term continuous monitoring without frequent calibration.This stability reduces maintenance requirements and operating costs while ensuring data reliability.

Wide measurement range and reliability:The working temperature range of the sensor extends from-50°C to 70°C,enabling it to operate reliably under various climatic conditions.The Apogee Instruments ST-110-310 is designed to provide high performance in non condensing environments and can be used in conjunction with suction radiation shields(such as Apogee TS-100)or other multi panel shields to further enhance its measurement accuracy in complex environments.

Flexible system integration:As a standard thermistor sensor,ST-110-310 is easy to integrate with various data collectors,PLCs,or other control systems.It usually provides output through resistance measurement,allowing users to choose appropriate reading devices and conversion algorithms according to their needs,which provides great flexibility for system designers.

Ocapel ST110-310

application area

Apogee Instruments ST-110-310 thermistor temperature sensor has a wide range of applications in multiple fields due to its high precision and reliability

Agriculture and Horticulture:In precision agriculture,ST-110-310 is used to monitor the air temperature inside greenhouses,fields,or storage facilities.This is crucial for optimizing crop growth conditions,warning of frost,managing pests and diseases,and controlling irrigation systems.It can help farm managers make data-driven decisions,improve yield and resource utilization efficiency.

Environmental monitoring:ST-110-310 is used for long-term and continuous recording of air temperature data in meteorological stations,field research stations,and ecosystems.These data are of great significance for climate research,ecological model construction,environmental impact assessment,and understanding regional microclimate change.

HVAC and Building Automation:In smart buildings and HVAC systems,ST-110-310 can be used to accurately monitor indoor or duct air temperature,thereby optimizing the operational efficiency of heating,ventilation,and air conditioning systems,improving energy utilization,and enhancing indoor comfort.

Industrial automation and process control:In certain industrial production processes,such as storage areas,control rooms,or non-contact measurement areas with specific requirements for ambient temperature,ST-110-310 can provide stable and reliable ambient temperature input,assist process control,and safety monitoring.

Research and Education:ST-110-310 is an ideal tool for conducting various temperature related experiments and data collection in university laboratories,research institutions,and educational fields,especially when high-precision and long-term stable temperature measurements are required.

Related products

The products related to Apogee Instruments ST-110-310 thermistor temperature sensor mainly include other sensors,supporting equipment,and data acquisition solutions within its series:

Apogee ST-110-SS:This is the standard stainless steel version of the Apogee Instruments ST-110 series thermistor temperature sensor,and ST-110-310 may be its specific cable length or configuration model.

Apogee TS-100 Aspirated Radiation Shield:a suction type radiation protection shield used in conjunction with temperature sensors such as ST-110-310,which eliminates the influence of solar radiation and surrounding object thermal radiation on temperature measurement through forced ventilation,greatly improving measurement accuracy.

Apogee AT-100/AT-120 Thermistor Sensors：Apogee Instruments Other thermistor sensors may differ from ST-110-310 in terms of packaging form,cable length,or measurement accuracy,making them suitable for a wider range of application scenarios.

Apogee Si series silicon photodiode sensors:used for measuring solar radiation,usually deployed together with temperature sensors in meteorological stations or agricultural applications,providing comprehensive environmental data.

Apogee SP series thermopile sensors:used for measuring shortwave radiation and are also important parameters in environmental monitoring.

Various data collectors/recorders:used to connect and record the resistance output signal of ST-110-310,and convert it into readable temperature values.These data loggers typically have multi-channel inputs,programmable sampling intervals,and data storage capabilities.

PLC/RTU system:In industrial automation,the signal of ST-110-310 can be directly read by PLC(Programmable Logic Controller)or RTU(Remote Terminal Unit)for process monitoring and control.

Ocapel ST110-310

Installation and maintenance

Preparation before installation:Before installing the Apogee Instruments ST-110-310 temperature sensor,it is necessary to carefully read its product manual to understand the technical parameters,installation precautions,and electrical connection methods of the sensor.Although ST-110-310 has a simple structure,its measurement accuracy is directly affected by the installation environment.A location that can represent the temperature of the environment to be tested and avoid direct sunlight,heat source radiation,and strong wind interference should be selected.If possible,it is recommended to install ST-110-310 in a specialized radiation protection cover(such as Apogee TS-100 suction radiation protection cover)to minimize the impact of solar radiation and surface heat on the measurement results,ensuring the accuracy and representativeness of the measurement data.Connect the sensor cable correctly to the analog input of the data acquisition system or controller,ensuring a secure connection and good insulation to avoid cable bending or excessive stretching.

Maintenance suggestion:The Apogee Instruments ST-110-310 sensor is designed to be sturdy and typically does not require complex daily maintenance.However,to ensure long-term stable measurement performance,it is recommended to regularly check the physical condition of the sensor,including cables,connection points,and the sensor body,to ensure that there is no physical damage,corrosion,or loose connections.If the sensor is installed inside a radiation protection cover,the cover should be cleaned regularly to remove dust,bird droppings,or other debris that may affect the airflow or radiation shielding effect.Although ST-110-310 has excellent long-term stability,it is still recommended to regularly calibrate and verify the sensor according to actual needs and industry standards in critical applications to ensure that its measurement accuracy meets the requirements.Avoid prolonged exposure of sensors to condensation or water immersion,as this may affect their performance and lifespan.

Product Guarantee

We provide a solid guarantee for the excellent quality and reliable performance of Apogee Instruments ST-110-310 thermistor temperature sensor in various applications.