Sustainable ammonia colorimetric sensors made from bio-based compounds prepared from agricultural waste are developed. The sensors operate at room temperature at two important concentration scales: an accident scale (>50 ppm NH3 in the air) and a health and safety scale (1 ppm – 50 ppm NH3 in the air). …

Waterschap Scheldestromen is curious about a 4-electrode conductivity sensor from Interuniversity Microelectronics Centre(imec), which provides a larger working range than Waterschap’s commercial 2-electrode sensor. The project aims to test the performance of this imec sensor, and couple it with Arduino …

When firefighting, the combination of exposition to high temperatures, high physical demands and wearing (heavy and insulated) personal protective equipment lead to increased risk of heat stress and exhaustion in firefighters. Heat stress can easily evolve into a life-threatening heat stroke. Once heat …

PURPOSE: Clinical examination is often the first step to diagnose shock and estimate cardiac index. In the Simple Intensive Care Studies-I, we assessed the association and diagnostic performance of clinical signs for estimation of cardiac index in critically ill patients. METHODS: In this prospective, …

The demand of renewable energy in the European Union is increasing significantly in order to reduce CO2 emissions. Efforts are being made for further development of biomethane and hydrogen to use it as a clean and sustainable fuel for vehicles. However, biomethane and hydrogen contains impurities that …

SRON is the Dutch national expertise institute for scientific space research and is part of NWO. It plays an important role in delivering contributions to the national and international space-research communities. Currently one of SRON’s involvements is in the X-IFU instrument for the Athena space X-ray …

The thermally-sensitive resistors (thermistors) used in VSL’s water calorimeter to detect the radiation-induced temperature change in water are affected by self-heat. The measurement current used to determine their resistance causes their temperature to increase above that of their environment. The self-heat …

The purpose of this report is to assess the relevance of the measurement of the spectrally resolved distribution of radiation in tokamak boundary plasmas. This assessment is important and urgent in view of the recent ambition to design and construct a multi-camera configuration for hyper imaging spectroscopy1 …

At the biomedical department of the TUDelft a sensor node is designed[1]. This is an Autonomous Wireless Sensor Node(AWSN) with temperature monitoring, which is powered up wirelessly and have data transmission through backscattering. The aim of the project is to design a receiver for the AWSN and to …

Research has been done to improve the understanding the self-heat effect, due to power dissipation, of temperature-dependant resistors in the VSL water calorimeter. A custom measurement program has been written to be able to control and read out three Agilent 3458A digital multimeters (DMMs). With these …