Operator's Manual
Issue 14 / Mar 2016
MercuryiPS
©2016 Oxford Instruments NanoScience. All rights reserved.
Page 17
Details of supply parameters are listed in section 17.2.
2.3 Temperature sensor circuits
The MercuryiPS can use a wide variety of temperature sensors. A high-accuracy measurement
circuit amplifies, scales and filters the voltage produced by the sensor. This conditioned voltage
is then passed to a 24-bit analogue to digital converter (ADC).
Some sensors (e.g. resistance sensors) require excitation. For positive temperature coefficient
sensors, this is generated by a high-stability current source. For negative temperature
coefficient sensors, this is provided by a true voltage source.
The basic iPS can monitor one temperature sensor. Additional sensors can be monitored by
adding daughter boards.
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