class_docstr: File handler for TROPOMI L2 netCDF files.
class_docstr_tok: ["File","handler","for","TROPOMI","L2","netCDF","files","."]
docstr: Get sensor.
docstr_tok: ["Get","sensor","."]
code: def sensor(self):
      """Get sensor."""
      res = self["/attr/sensor"]
      if isinstance(res, np.ndarray):
          return str(res.astype(str)).lower()
      return res.lower()
  
imports: import logging
  from datetime import datetime
  import dask.array
  import numpy
  import xarray
  from satpy.readers.netcdf_utils import NetCDF4FileHandler, netCDF4
  from satpy.utils import get_legacy_chunk_size
label_desc: Use image node_id 6 for calling the TROPOMIL2FileHandler obj's underlying member method code with example usage: obj.sensor() and returns: res, str