OHD3-30B

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OHD3-30B Temperature Sensor

The OHD3-30B is a mechanical temperature sensor with a thermostatic control used for a variety of applications. This sensor is best suited in areas where there is minimal vibration, temperature extremes or moisture, and where hazardous materials may be present. The OHD3-30B is a great choice for applications where accuracy and reliability are important.

Specifications

• Sensor type - Mechanical temperature sensor with thermostatic control
• Temperature range - -30ºC to +30ºC
• Sensor output - Thermistor
• Accuracy - ±1ºC
• Response time - Less than 3 minutes
• Reliability - High reliability
• Voltage output - 7.5 VDC
• Weight - 100g
• Dimensions - 30x30x45mm

Application Field

The OHD3-30B temperature sensor is used in a variety of applications including, but not limited to: residential and commercial refrigeration, chemical processing, food and beverage manufacturing, HVAC, medical equipment, and automotive.

Working Principle

The OHD3-30B utilizes a thermistor as its sensing element. When the temperature range of the sensor is exceeded, the device activates a thermostatic switch, which can be used to activate a cooling system, for example. The thermistor is connected to a pre-calibrated, temperature compensated, high accuracy electronic differential circuit which detects any temperature deviations and provides a voltage output proportional to the change in temperature. This voltage output is then used to trigger a control circuit or an alarm.

Conclusion

The OHD3-30B temperature sensor is a reliable and accurate solution for a variety of applications including refrigeration, chemical processing, HVAC, medical equipment and automotive applications. It uses a thermistor as its sensing element and is equipped with a thermostatic switch to activate a control circuit or an alarm when the temperature limits exceed the sensors range.

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