Ambient Air Temperature Sensor for Weather Stations
The TA70 Series air temperature sensors are high quality electronic sensors designed to measure ambient air temperature as part of a high quality Weather Station or weather monitoring application.
The design uses high stability components which provide fast and accurate temperature sensing. The temperature stability allows realistic temperature measurement accuracies of better than ±0.1°C over the entire measurement range.
The stability of the components and rugged design means the air temperature sensors provided as part of a Weather Station last for many years before factory recalibration is required.
Features at a Glance
- Microprocessor accuracy
- Frequency output
- Robust signal (250m cable distance with no loss)
- Sensor is fully interchangeable with no software adjustment
- Semi-conductor sensing element
- 316 Stainless Steel sheathed tip
- Robust housing
- Fully weatherproof - IP67
- Australian Made
- Long operating life with virtually no drift
Ambient Air Temperature
2m and 10m Air Temperature
- Satisfying Australian Standards
- Heat Stress Monitoring & Alerts
- Scientific Research
- Process Control & Automation
- Inversion Monitoring
- Production Planning
Standalone to PLC
Features In Detail
Details & Advantages
The sensing element consists of a semi-conductor integrated circuit that provides a linear output voltage proportional to the ambient temperature. The microprocessor reads the voltage and provides a very stable square-wave frequency proportional to the air temperature.
This sensor design is extremely stable and very rarely suffers from drift in the field. The signal output is robust, and the sensor itself is very accurate.
Using a Stainless Steel sensing tip and an IP67 enclosure for the electronics, these sensors can survive the harshest conditions Australia has to offer.
For ambient air temperature readings, we recommend that the sensors are located inside a louvred radiation screen to protect from direct and reflected solar radiation and precipitation. This sensor screen should preferably be located at a height of 1.2 to 2 metres above ground level.
The ideal screen to use is Environdata’s SS32 Sensor Shelter. This modern version of the Stevenson Screen is constructed from aluminium with a powder coated finish so it is robust enough for any environment. The SS40 Sensor Shelter made from poly-carbonate is a budget option to consider for projects up to 5 years in length.
An Aspirated radiation shield may be required under certain conditions, such as meeting Australian Standards for measuring the change in temperature between 2m and 10m-mounted air temperature sensors. Whilst in practice, the standard shields are more than adequate - when you need to meet the requirement for the aspirated shield, we are happy to assist.