MAX6675 K-Typ thermocouple Breakout Temperature -200 bis+ 1350℃ Module

MAX6675 K-Typ thermocouple Breakout Temperature -200 bis+ 1350℃ Module

SKU:012184
Regular price $3.69

shipped within one bussiness day

Power supply: 3.3 V
Accuracy: ±2°C to ±6°C
Output: -200°C to +1350°C

The conversion time of the MAX6675 is typical: 0.17s with a maximum of 0.22s.

Feature:
Thermocouples are very sensitive, require a good amplifier with a cold-compensation reference.
This breakout board has the chip itself, a 3.3V regulator with 10uF bypass capacitors and level shifting circuitry, all assembled and tested.
Comes with a 2 pin terminal block (for connecting to the thermocouple) and pin header (to plug into any breadboard or perfboard).
Logic level compliant, internal temperature reading.
SPI data output requires any 3 digital I/O pins.
Durable and stable.
With a fixed mounting holes for easy fixed installation.
Works with any K type thermocouple.

Note:

Optimal performance from the MAX6675 is achieved when the thermocouple cold junction and the MAX6675 are at the same temperature. Avoid placing heat-generating devices or components near the MAX6675 because this may produce cold-junction-related errors.

Force CS low and apply clock signal at SCK to read the results at SO. Forcing CS low immediately stops any conversion process. Initiate new conversionprocess by forcing CS high.

complete serial interface read requires 16 clock cycles. Read the 16 output bits on the falling edge of the clock.The first bit, D15, is dummy sign bit and is always zero. Bits D14–D3 contain the converted temperature in the order of MSB to LSB. Bit D2 is normally low and goes high when the thermocouple input is open. D1 is low to provide device ID for the MAX6675 and bit D0 is three-state.

The complete data needs to be read out with 16 clock signals and read on the falling edge of the clock.
D15 is always 0;
D14~D3 are conversion results;
D2 is open circuit detection, generally 0, 1 when no K-type thermocouple is connected;
D1 is 0 to provide the device number of the MAX6675.
D0 is tri-stated.
 
T- must be connected to GND, and the connection end of T- is as close as possible to the GND of the chip.
 
In order to prevent measurement errors caused by self-heating effects, large-area paving is used to improve measurement accuracy.

The following measures can also be taken to improve accuracy:

Use as thick a wire as possible, but do not let the wire be a thermal conductor;

If only thin conductors can be used, use only thin conductors in the measurement area and then use the compensation extension line where there is no temperature gradient;

Avoid mechanical stress and vibration;

When the thermocouple wire is long, use a twisted pair extension cable;

Avoid the presence of severe temperature gradients;

Use thermocouples within the scope of application;

Protect the thermocouple wires with a suitable coating material in harsh environments;

Use extension cords only at lower temperatures and smaller temperature gradients;

Save an event log and continuously record the resistance of the thermocouple.



Package Included:
1PC*MAX6675 K-Typ Thermocouple Breakout Board

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Power supply: 3.3 V
Accuracy: ±2°C to ±6°C
Output: -200°C to +1350°C

The conversion time of the MAX6675 is typical: 0.17s with a maximum of 0.22s.

Feature:
Thermocouples are very sensitive, require a good amplifier with a cold-compensation reference.
This breakout board has the chip itself, a 3.3V regulator with 10uF bypass capacitors and level shifting circuitry, all assembled and tested.
Comes with a 2 pin terminal block (for connecting to the thermocouple) and pin header (to plug into any breadboard or perfboard).
Logic level compliant, internal temperature reading.
SPI data output requires any 3 digital I/O pins.
Durable and stable.
With a fixed mounting holes for easy fixed installation.
Works with any K type thermocouple.

Note:

Optimal performance from the MAX6675 is achieved when the thermocouple cold junction and the MAX6675 are at the same temperature. Avoid placing heat-generating devices or components near the MAX6675 because this may produce cold-junction-related errors.

Force CS low and apply clock signal at SCK to read the results at SO. Forcing CS low immediately stops any conversion process. Initiate new conversionprocess by forcing CS high.

complete serial interface read requires 16 clock cycles. Read the 16 output bits on the falling edge of the clock.The first bit, D15, is dummy sign bit and is always zero. Bits D14–D3 contain the converted temperature in the order of MSB to LSB. Bit D2 is normally low and goes high when the thermocouple input is open. D1 is low to provide device ID for the MAX6675 and bit D0 is three-state.

The complete data needs to be read out with 16 clock signals and read on the falling edge of the clock.
D15 is always 0;
D14~D3 are conversion results;
D2 is open circuit detection, generally 0, 1 when no K-type thermocouple is connected;
D1 is 0 to provide the device number of the MAX6675.
D0 is tri-stated.
 
T- must be connected to GND, and the connection end of T- is as close as possible to the GND of the chip.
 
In order to prevent measurement errors caused by self-heating effects, large-area paving is used to improve measurement accuracy.

The following measures can also be taken to improve accuracy:

Use as thick a wire as possible, but do not let the wire be a thermal conductor;

If only thin conductors can be used, use only thin conductors in the measurement area and then use the compensation extension line where there is no temperature gradient;

Avoid mechanical stress and vibration;

When the thermocouple wire is long, use a twisted pair extension cable;

Avoid the presence of severe temperature gradients;

Use thermocouples within the scope of application;

Protect the thermocouple wires with a suitable coating material in harsh environments;

Use extension cords only at lower temperatures and smaller temperature gradients;

Save an event log and continuously record the resistance of the thermocouple.



Package Included:
1PC*MAX6675 K-Typ Thermocouple Breakout Board

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