OHD1-70M

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The OHD1-70M is an accurate temperature sensor/thermostat with a mechanical switch. It is used for controlling air conditioning and regulating temperatures of both industrial and residential applications. It also finds use as an over-temperature safety device in industrial processes.

The OHD1-70M is designed with precision thermistor elements and some models offer double pole double throw (DPDT) or single pole double throw (SPDT) switching abilities. This product is equipped with a timer, which ensures reliable operation in extreme heat or cold situations. The timer prevents false triggering in the event of momentary temperature fluctuations.

The application field of the OHD1-70M is quite broad and extends from commercial heating, ventilation and air conditioning systems to industrial heating and cooling processes. It can be used in a variety of indoor and outdoor environments, provided the environment is non-corrosive or non-aggressive. In industrial applications, the thermostat can be used for controlling drying systems, refrigeration and hot-water circulation systems.

When it comes to the working principle of the OHD1-70M, the thermostat features two terminals, one for the resistance element and one for the power source. When the temperature is within the specified limits, a balance is achieved and no current is allowed to flow. A timer is employed to prevent false triggering in the event of momentary temperature fluctuations. When the temperature exceeds the maximum setpoint, the elements become unbalanced, thus allowing electrical current to travel through the circuit and activating the switching device.

External adjustment is also possible and the product is provided with an adjustable dial to set the desired temperature. Thus, the switch is activated or deactivated at the given temperature level. The OHD1-70M comes with a large thermostat head, enabling the user to monitor the temperature at a glance. The device is also equipped with a pilot light, signaling that the switch has been activated.

In summary, the OHD1-70M is a temperature sensor/thermostat with a mechanical switch that is suitable for controlling air conditioning and controlling temperatures in a variety of indoor and outdoor settings. Its working principle is based on a balance achieved between two terminals and a timer is employed to prevent false triggering due to momentary temperature fluctuations. External adjustment is also possible, making the thermostat a versatile and reliable choice for temperature regulation.

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