G01K7/02

THERMOMETER HAVING A DIAGNOSTIC FUNCTION
20230042321 · 2023-02-09 ·

The present disclosure relates to a method for determining and/or monitoring the temperature of a medium by means of a thermometer having at least one temperature sensor, the method including: determining a measured value for the temperature of the medium by means of a temperature sensor; determining a heat flow, in particular heat dissipation, in the region of the temperature sensor; and determining a measured value deviation for the measured value for the temperature on the basis of a model for heat dissipation in the region of the temperature sensor.

Multi-core high-temperature, irradiation-resistant thermocouple, and related methods

A multi-core thermocouple includes a plurality of wires, an insulation core surrounding the plurality of wires, a sheath surrounding the insulation core, and a plurality of electrical junctions. The plurality of electrical junctions may include a first electrical junction formed between a first wire of the plurality of wires and the sheath at a first axial mid-section of the multi-core thermocouple, the first electrical junction including a first swaged axial mid-section of the sheath and a second electrical junction formed between a second wire of the plurality of wires and the sheath at a second, different axial mid-section of the multi-core thermocouple, the second electrical junction including a second swaged axial mid-section of the sheath.

STATE DETECTION SENSOR

A state detection sensor is provided with a first sensor unit, a second sensor unit, an intermediate insulation sensor disposed between the first sensor unit and the second sensor unit. The first surface of the intermediate insulation layer is joined to the second wiring of the first sensor unit. The second surface of the intermediate insulation layer is joined to the third wiring of the second sensor unit. The first sensor unit and the second sensor unit are electrically connected in series in a state where a polarity of thermoelectrormotive force produced in the first sensor unit and a polarity of thermoelectromotive force produced in the second sensor unit are in mutually opposite polarity relationship when a heat flow passes through the first sensor unit and the second sensor unit in the same direction.

TEMPERATURE-MEASURING STICK WITH AN EASILY REPLACEABLE THERMOCOUPLE
20180003566 · 2018-01-04 ·

The invention relates to a thermocouple (17) suspended from a part (26, 27) that can be locked onto a connecting section of the measuring stick, which comprises an opening in the form of a guiding cone (30) for inserting the thermocouple. The thermocouple is contained in a flexible cable (24) that can slide in a sheath (35) of the central compartment (16) which houses the thermocouple (17). A spring (34) can be added to lightly press the end of the thermocouple to the end of the housing thereof.

High temperature high pressure (HTHP) cell in sum frequency generation (SFG) spectroscopy for oil/brine interface analysis with reservoir conditions and dynamic compositions

A pressure cell for sum frequency generation spectroscopy includes: a metal pressure chamber; a heating stage that heats a liquid sample; an ultrasonic stage that emulsifies the liquid sample; a chamber pump that pressurizes an interior of the metal pressure chamber; and a controller that controls the chamber pump, the ultrasonic stage, and the heating stage to control a pressure of the interior of the metal pressure chamber, an emulsification of the liquid sample, and a temperature of the liquid sample, respectively. The metal pressure chamber includes: a liquid sample holder that retains the liquid sample; a removable lid that seals against a base; a window in the removable lid; a sample inlet that flows the liquid sample from an exterior of the metal pressure chamber to the liquid sample holder at a predetermined flow rate; and a sample outlet.

Removable PCB Terminal Block Cold Junction Compensation
20230028939 · 2023-01-26 · ·

An input module includes a terminal block and a removable printed circuit board (PCB). The terminal block includes first and second connector assemblies for electrically coupling first and second electrical wires of an external thermocouple to the PCB. At least one of the first or second connector assemblies includes an internal thermocouple. The internal thermocouple has two conductive legs which are formed of different materials and are separated at an end to form a jaw connector for connecting or disconnecting an edge of the printed circuit board to or from the terminal block respectively. The PCB includes a sensor for measuring a temperature on the PCB, and a processing circuit configured to perform cold junction compensation using a cold junction temperature which is determined based on temperature measurement from the sensor and a temperature or voltage measurement from the internal thermocouple, when measuring hot junction temperature of the external thermocouple.

Temperature sensor and method of manufacture
11709103 · 2023-07-25 · ·

The temperature sensor can have a core having a length extending between two ends, the core having a cavity extending along the length, a wire extending in the cavity, along the length, the wire fixed at both ends, the core having a transversal aperture at an intermediary location between the ends, the transversal aperture leading into the cavity, and a potting filling a portion of the cavity and supporting the wire at the intermediary location of the transversal aperture.

LOW TEMP POWER STATE HANDLING
20230229214 · 2023-07-20 ·

An improved method and system for controlling the powering-on of an electronic device when initially the internal temperature is below a safe threshold. The method and system can preheat the electronic device until it is at a safe temperature in which to safely power-on the electronic device. Alternatively or in addition, the method and system can alert a user if the temperature is below a threshold and proceed to power-on when the temperature is above the threshold.

LOW TEMP POWER STATE HANDLING
20230229214 · 2023-07-20 ·

An improved method and system for controlling the powering-on of an electronic device when initially the internal temperature is below a safe threshold. The method and system can preheat the electronic device until it is at a safe temperature in which to safely power-on the electronic device. Alternatively or in addition, the method and system can alert a user if the temperature is below a threshold and proceed to power-on when the temperature is above the threshold.

Measuring insert with state monitoring

The present disclosure relates to an apparatus for determining and/or monitoring a process variable of a medium, comprising at least one sensor element arranged in a sensor head for determining and/or monitoring the process variable, wherein an internal volume of the sensor head is filled at least partially with a filler. The filler includes at least one fill material, for which at at least one predeterminable phase transformation temperature a phase change occurs, in which the material remains in the solid state, wherein the fill material is in a first phase state when a temperature of the fill material is less than the phase transformation temperature, and wherein the fill material is in a second phase state when the temperature of the fill material is greater than the phase transformation temperature.