OHD3-85B

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The OHD3-85B is a mechanical temperature sensor and thermostat designed for experimental and industrial applications. It is one of the most popular models of temperature sensors and thermostats, and is used in a wide range of industries, from energy production to food or beverage manufacturing. The OHD3-85B is capable of detecting temperatures ranging from -40 to 450°F (-40 to 232°C), making it suitable for use in all types of applications. In addition, it is highly accurate, with a repeatability rating of 0.25°F (0.14°C).

The OHD3-85B features two main parts: a housing and a temperature sensor. The housing is made of durable steel, and is designed to fully protect the temperature sensor inside it. At the top of the housing is a knob, which is used for adjusting the temperature range. This is done by turning the knob, which in turn rotates a dial that sets the desired temperature.

The temperature sensor inside the housing is a thermistor. Thermistors are small, delicate temperature-dependent resistors that change their resistance with temperature. The resistance of the thermistor changes according to the temperature surrounding it, which is then converted into electrical signals. These signals are then sent to the central control unit, which then uses them to make adjustments to the system based on the set temperature.

Aside from the thermistor, the OHD3-85B also features a bimetallic disc. The disc is housed inside the housing, and is composed of two materials of different conductor properties. When the surrounding temperature changes, the bimetallic disc is activated, causing it to bend or twist in a way that opens and closes a set of contacts. This contact switching action is then transmitted to the central control unit, triggering it to make the necessary adjustments for the system based on the set temperature.

The OHD3-85B is an ideal solution for a wide variety of temperature sensing and thermal control applications. It is highly accurate and reliable, and can be used in both laboratory and industrial settings. From food and beverage production to energy production, the OHD3-85B can be used across a range of industries to ensure that the temperatures remain precisely controlled for optimal performance.

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