Thermocouples are widely used to measure extreme temperatures impossible to measure with other types of sensors.
J, K, E and T thermocouples are directly supported in the library and return the measured temperature in °C.
It is possible to interface other thermocouple types by converting the measured potential returned by the Temperature Sensor into Celsius using the appropriate tables; the formula and links to the tables are described in the 1048 User Guide.
Very long thermocouples are okay (even 100m), but if there is measurement stability issues or USB resets, ferrite beads can be added to the thermocouple wire close to the Phidget Temperature Sensor. See our tutorial on Addressing EMI Issues.
|API Object Name||TemperatureSensor|
|Controlled By||USB (Mini-USB)|
|Number of Thermocouple Inputs||4|
|Temperature Update Rate||25 samples/s|
|Ambient Temperature Error Max||± 0.5 °C|
|Thermocouple Error Max (K-Type)||± 2 °C|
|Thermocouple Voltage Resolution||1.5 μV DC|
|Thermocouple Temperature Resolution (K-Type)||0.04 °C|
|Current Consumption Max||25 mA|
|USB Voltage Min||4.8 V DC|
|USB Voltage Max||5.3 V DC|
|USB Speed||Full Speed|
|Recommended Wire Size||16 - 26 AWG|
|Operating Temperature Min||0 °C|
|Operating Temperature Max||70 °C|
|Part. No. :||1048|
Questions on 1048 - PhidgetTemperatureSensor 4-Input
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