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Thermo J Click Board

Thermo J Click Board

SKU: MIKROE-2811

Thermo J Click Board | MIKROE-2811
In Stock OUT OF STOCK, YOU CAN PREORDER
Lead Time (if not in stock) 3 working days
Our Price: $23.28
Quantity

The Thermo J Click Board is a temperature measurement click board™, which uses a thermocouple type-J probe, connected to a PPC-SMP-J onboard connector. The active part of the Thermo J click is MCP9600 by Microchip - a thermocouple EMF to temperature converter, with 1.5°C of maximum accuracy. The on-board PCC-SMP-J connector ensures the secure connection and accurate readings for the connected thermocouple.

The main advantage of the thermocouples over some other types of temperature measuring devices, is a wide range of temperatures that they can measure. With the addition of four programmable ALERT lines routed to the mikroBUS™ pins, Thermo J click is an ideal solution for the temperature measurements in extreme conditions, hard to reach places, machinery, and similar applications.

Product Details


Manufacturer Mikroelektronika d.o.o.
Warranty 12 months
Weight 0.10 Kg

The Thermo J Click Board is a temperature measurement click board™, which uses a thermocouple type-J probe, connected to a PPC-SMP-J on-board connector. The active part of the Thermo J click is MCP9600 by Microchip - a thermocouple EMF to temperature converter, with 1.5°C of maximum accuracy. The on-board PCC-SMP-J connector ensures the secure connection and accurate readings for the connected thermocouple.

The main advantage of the thermocouples over some other types of temperature measuring devices is a wide range of temperatures that they can measure. With the addition of four programmable ALERT lines routed to the mikroBUS™ pins, Thermo J click is an ideal solution for the temperature measurements in extreme conditions, hard to reach places, machinery, and similar applications.

How does the Click Work?

Thermo J click utilises a thermoelectric principle for measuring the temperature. When the thermocouple joint, made of two different conductive materials, is exposed to a measuring temperature (hot end), a potential difference will be generated at the open ends of the circuit (cold end). The generated electromotive force (EMF) at the open ends of the circuit can be measured and converted into a digital form, by the 18-bit delta-sigma AD converter section of the MCP9600 IC.

To obtain the desired measurement of the temperature, the cold end temperature needs to be known, too. Since the MCP9600 features an integrated measurement of the ambient temperature (cold junction compensation), error corrected value can be read directly from the registers, using the I2C bus protocol.

The generated EMF depends on the materials that are used for the thermocouples.Those materials are standardised and categorised by types. This click uses the type-J thermocouples, composed of iron and constantan. The measuring range of this device for the type J probes, is from -150°C to 1200°C, but it depends on the used probes. Thermo J click uses a specially constructed PPC-SMP-J onboard connector for easy and secure thermocouple connection.

Thermo J Click Board

There are four ALERT lines present on the MCP9600. Those lines can be programmed by the I2C to be set to a HIGH logic level when certain temperature thresholds are reached. The lines are routed to the AN, RST, PWM and INT pins of the mikroBUS™.

The I2C address can be selected with the ADDR SEL onboard SMD jumper. The I2C address can be changed by this jumper, allowing for more than one of these click boards to be used on a system, each with the different I2C address.
The click board™ can be set to work with both 3.3V or 5V, selectable from the mikroBUS™. This can be done by the onboard SMD jumper, labeled as PWR SEL. This allows for this click board™ to be used on a wide range of different MCUs, both 3.3V and 5V tolerant.

Note: The Thermo J click needs Thermocouple Type-J probes which are sold separately.

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