Refrigerant compressor including an oil level sensor arrangement

A refrigerant compressor including:

• a compressor casing,
• an oil sump arranged in a lower part of the compressor casing, and
• an oil level sensor arrangement configured to detect an oil level in the oil sump, the oil level sensor arrangement including a tubular element secured to the compressor casing and at least partially arranged inside the compressor casing, and a floating element surrounding the tubular element and being movably mounted with respect to the tubular element, the floating element being configured to float on lubricant oil contained in the oil sump,
• wherein the compressor casing includes a passage opening, and dimensions of the tubular element, the floating element and the passage opening are defined to allow an insertion and a removal of the tubular element and the floating element into and out of the compressor casing through the passage opening.