Magnetic suspension balance comprising a holding device with a measurement load coupling means for receiving a sample to be measured, a magnet element arranged on the holding device , an electromagnet for exerting a magnetic force on the magnet element , a position sensor with a sensor coil and a sensor sleeve arranged on the holding device to ascertain a vertical position of the magnet element and of the holding device , wherein the holding device , the sample to be measured and the magnet element are arranged inside a housing and the electromagnet is arranged outside the housing , and an open-loop/closed-loop control unit , which is set up to ensure and to monitor an electrical energy supply of the electromagnet and of the position sensor and also to calibrate the holding device , with the magnet element arranged thereon, in respect of a defined or predetermined vertical position of the holding device and to monitor this during a measurement process and thus keep it stable enough that the weight force may be transferred via the electromagnet and the magnet element to a precision balance by the open-loop/closed-loop control unit monitoring an electrical voltage signal transmitted from the position sensor and/or an electrical current signal transmitted from the position sensor and performing, during the measurement process, a control operation in the event that a previously defined limit value is exceeded or undershot, characterized in that the open-loop/closed-loop control unit , when performing the control operation, is configured to check the plausibility of at least one sensor state transmitted from the position sensor and, if an error state is detected, to perform a readjustment, or, if the readjustment is not possible, to set down the magnet element together with the holding device , the measuring load coupling means and the sample in a controlled fashion, or, if the controlled setdown is not possible, to switch off the electromagnet completely. a holding device with a measurement load coupling means for receiving a sample to be measured, a magnet element arranged on the holding device , an electromagnet for exerting a magnetic force on the magnet element , a position sensor with a sensor coil and a sensor sleeve arranged on the holding device to ascertain a vertical position of the magnet element and of the holding device , wherein the holding device , the sample to be measured and the magnet element are arranged inside a housing and the electromagnet is arranged outside the housing , and an open-loop/closed-loop control unit , which is set up to ensure and to monitor an electrical energy supply of the electromagnet and of the position sensor and also to calibrate the holding device , with the magnet element arranged thereon, in respect of a defined or predetermined vertical position of the holding device and to monitor this during a measurement process and thus keep it stable enough that the weight force may be transferred via the electromagnet and the magnet element to a precision balance by the open-loop/closed-loop control unit monitoring an electrical voltage signal transmitted from the position sensor and/or an electrical current signal transmitted from the position sensor and performing, during the measurement process, a control operation in the event that a previously defined limit value is exceeded or undershot, characterized in that the open-loop/closed-loop control unit , when performing the control operation, is configured to check the plausibility of at least one sensor state transmitted from the position sensor and, if an error state is detected, to perform a readjustment, or, if the readjustment is not possible, to set down the magnet element together with the holding device , the measuring load coupling means and the sample in a controlled fashion, or, if the controlled setdown is not possible, to switch off the electromagnet completely. <EOS>