Isotel Precision Thermometer SCPI Reference¶
The Thermometer provides an ASCII SCPI inteface over the USB CDC (serial) profile, in parallel to the ISN protocol, compatible with the ISOTEL Device Manager · IDM software.
SCPI-99 |
Returns |
Notes |
|---|---|---|
*IDN? |
Device ID with versions |
|
:MEASure:TEMPerature? |
Temperature in °C |
Measurement is taken at the time of execution of this command |
PyVISA Examples¶
Install required packages:
pip install pyvisa pyserial
to use it as a serial port do:
>>> import pyvisa
>>> rm = pyvisa.ResourceManager()
>>> rm.list_resources() # should display the serial port
>>> T = rm.open_resource( given serial )
>>> T.query_ascii_values('meas:temp?')
[26.6016]
or connect to the thermometer remotely, i.e. by using IDM and an option to attach a serial port as a stream, which creates TCP/IP socket listening on localhost port 33100:
>>> import pyvisa
>>> rm = pyvisa.ResourceManager()
>>> T = rm.open_resource("TCPIP::127.0.0.1::33100::SOCKET", read_termination="\r\n")
>>> T.query("*idn?")
'ISOTEL,Precision Thermometer,5C3F1C94,1.0.0-1.0.0.9'
>>> T.query_ascii_values("meas:temp?")
[28.6563]
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