Arduino Thermocouple Multiplexer Shield (J - MAX31855J) No Headers

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$ 49.95 $ 49.95 49.95 USD

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SKU : KTA-259J

Quantity on Hand : 2

Skill Level : Assembled and Tested

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Available with Headers. Click to buy it with headers

Note: Assembled version comes with headers pre-soldered to the board.

Description: The KTA-259v4 Thermocouple Multiplexer Shield is designed to easily allow multiple high temperature readings with an Arduino control board.

Screw terminals are provided for thermocouple connections as thermocouple wires can not be soldered.

Uses:

Automotive – Engine, Exhaust and Brake temperatures are higher than most temperature sensors can handle, but within the range of Thermocouples.
Ovens, Furnaces and Kilns – At temperatures where other temperature sensors will not operate.
Chemical Processes – Where corrosive chemicals may damage probes or reach high temperatures thermocouples are more readily available for such processes.
Multi-Zone Temperature Monitoring, Data Acquisition or Logging Systems– With cheap readily available thermocouples.

Features:

Add up to 8 Thermocouples to an Arduino
Cold Junction Compensated Output
K, J, N, S, T, E or R Type thermocouples supported dependent on model
0.1 (2.54mm) Pitch Screw Terminals for Thermocouple connection
14-bit 0.25 °C Resolution
Nominal ±2 °C Accuracy [1]
Based on MAX31855 Cold-Junction Compensated Thermocouple-to-Digital Converter and ADG608 Multiplexer IC
13 x 8 Prototyping Area with Analog and Power pins
Chip Select Pin Jumper Selectable means multi SPI shield compatibility
Combine with SD card shield for powerful Temperature Logging
Powered from 3.3V Arduino Pin, 5V compatible

SKU / Part Number	Thermocouple Type	IC	Measured Temperature Range	Thermocouple Maximum Temperature Range [2]
KTA-259K	K	MAX31855K	-200 to +1350 °C	-270 to +1372 °C
KTA-259J	J	MAX31855J	-40 to +750 °C	-210 to +1200 °C
KTA-259N	N	MAX31855N	-200 to +1300 °C	-270 to +1300°C
KTA-259S	S	MAX31855S	+50 to +1600 °C	+50 °C to +1768 °C
KTA-259T	T	MAX31855T	-250 to +400 °C	-270 to +400 °C
KTA-259E	E	MAX31855E	-40 to +900 °C	-270 to +1000 °C
KTA-259R	R	MAX31855R	-50 to +1770 °C	-50 to +1768 °C

Note 1: The MAX31855 datasheet specifies ±2 °C for all thermocouple types within the range -20 to 85 °C, not including thermocouple non-linearity or CJC temperature measurement uncertainty. This also doesn't include the effect of the MUX or the KTA-259 board layout.

Note 2: This is the range of temperatures that a thermocouple of this type can measure, the Measured Temperature Range is the actual range the MAX31855 can digitise.

Documentation and Downloads

Manual

MAX31855 Data Sheet

ADG608 Data Sheet

Sample Arduino Sketch

Frequently Asked Questions

Arduino Library by Cory Fowler with support for the card (uses hardware SPI)