Explosion-proof skin temperature sensor
Explosion-proof skin temperature sensors are specifically designed for continuous temperature monitoring using the skin as an indicator of body temperature. They have a lead length of 2 meters and are designed to operate over the range of 0 - 50°C.
They are well suited to applications such as biomedical temperature monitoring requiring repeatability, high sensitivity and rapid response.
The Ex skin temperature sensors contains a small biomedical ship thermistor in a metal case with strain relief between the cable and thermistor.
The thermistor is a small, ceramic-encapsulated metaloxide semiconductor. It exhibits a characteristic non-linear inverse relationship between resistance and temperature that allows it to be used as a temperature sensor. The relatively large change in resistance as a function of temperature (~4%/°C) gives a signal response far greater than thermocouples and resistance temperature devices (RTD). The metal case of the probe is held flat against the skin of the subject and is usually taped into position. It can be cold-sterilized between subjects.
To use the Ex skin temperature sensors, connect it to the USB port or USB hub of a Windows laptop or desktop computer.
The Ex skin temperature sensors is connected through an industrial USB 2.0 connector to an the intrinsically safe barrier Ex USB 2.0.
A green LED on the connector housing indicates the transducer is receiving power and is ready for use
The Ex skin temperature sensors has a “hot-plug” function which allows it to be connected and disconnected without stopping, shutting down or rebooting the system.
Specifications:
Thermal response time: still air 45 s
Operating range: 0°C to 50°C
Accuracy: ±0.25°C Height x
Diameter: 4.5 x 12 mm (0.18” x 0.47”)
Cable length: 2m
Cup/barrel: stainless steel filled with epoxy resin
Electrical Data:
Uo=5 V
Io=50 mА
Ui=5 V
Ii=50 mА
Ci=10 µF
Ex marking:
Ex ib IIC T6...T4 Gb X
Ex tb IIIC T85°C...135°C Db X
Produced in accordance with IEC 60079-0, IEC 60079-11, IEC 60079-31
Temperature: 0 °C to 50 °C
The scope of delivery implies:
Explosion-proof skin temperature sensor