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  1. Grove Ecosystem
  2. Grove Modules
  3. Sensors

Grove High Temperature Sensor

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Last updated 5 years ago

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Thermocouples are very sensitive devices. It requires a good amplifier with cold-junction compensation. The Grove - High Temperatire Sensor uses a K-Type themocouple and a thermocouple amplifier that measures ambient temperature using thermistor for cold-junction compensation. The detectable range of this Sensor is -50~600°C , and the accuracy is ±(2.0% + 2°C).

Version

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Product Version

Changes

Released Date

Grove - High Temperature Sensor V1.0

Initial

Feb 25, 2014

Specifications

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Parameter

Value/Range

Operating Voltage

3.3-5V

Max power rating at 25℃

300mW

Operating temperature range

-40 ~ +125 ℃

Temperature measurement range

-50 ~ +600℃

Amplifier output voltage range

0 ~ 3.3 V

Thermocouple material

Glass Fiber

Cold junction compensation

Environment temperature measurement

Thermocouple temperature measurement accuracy

+/-2.0% (+ 2 ℃)

Thermocouple temperature sensor cable length

100cm

Dimension

20mm x 40mm

Platforms Supported

Getting Started

Play with Arduino

Hardware

  • Step 1. We need to prepare the below stuffs:

Seeeduino V4.2

Base Shield

Grove-High Temperature Sensor

  • Step 2. Connect the Grove-High Temperature Sensor to A0 on Base Shield.

  • Step 3. Plug the base Shield into Seeeduino-V4.2.

  • Step 4. Connect Seeeduino-V4.2 to PC by using a USB cable.

!!!Note If we don't have a Base Shield, don't worry, the sensor can be connected to your Arduino directly. Please follow below tables to connect with Arduino.

Seeeduino

Grove-High Temperature Sensor

GND

Black

5V

Red

A1

White

A0

Yellow

Software

  • Step 3. Copy the code into Arduino IDE and upload.

#include "High_Temp.h"

HighTemp ht(A1, A0);

void setup()
{
    Serial.begin(115200);
    Serial.println("grove - hight temperature sensor test demo");
    ht.begin();
}

void loop()
{
    Serial.println(ht.getThmc());
    delay(100);
}
  • Step 4. Open your Serial Monitor and set baud rate as 115200, We will see the temperature in Celsius here.

Play With Raspberry Pi

Hardware

  • Step 1. Prepare the below stuffs:

Raspberry pi

GrovePi_Plus

Grove - Ultrasonic Ranger

  • Step 2. Plug the GrovePi_Plus into Raspberry.

  • Step 3. Connect Grove-Ultrasonic ranger to A0 port of GrovePi_Plus.

  • Step 4. Connect the Raspberry to PC through USB cable.

Software

  • Step 2. Git clone the Github repository.

cd ~
git clone https://github.com/DexterInd/GrovePi.git
  • Step 3. Excute below commands to use the ultrasonic_ranger to meansure the distance.

cd ~/GrovePi/Software/Python/grove_hightemperature_sensor
python high_temperature_example.py

Here is the grove_ultrasonic.py code.

import grove_hightemperature_sensor as grovepi # our library
from time import sleep # and for the sleep function
import sys # we need this for the exception throwing stuff

# Don't forget to run it with Python 3 !!
# Don't forget to run it with Python 3 !!
# Don't forget to run it with Python 3 !!

def Main():
    room_temperature_pin = 15 # this is equal to A1
    probe_temperature_pin = 14 # this is equal to A0
    # so you have to connect the sensor to A0 port

    # instatiate a HighTemperatureSensor object
    sensor = grovepi.HighTemperatureSensor(room_temperature_pin, probe_temperature_pin)

    # and do this indefinitely
    while True:
        # read the room temperature
        room_temperature = sensor.getRoomTemperature()
        # and also what's important to us: the temperature at the tip of the K-Type sensor
        probe_temperature = sensor.getProbeTemperature()

        # print it in a fashionable way
        print('[room temperature: {:5.2f}°C][probe temperature: {:5.2f}°C]'.format(room_temperature, probe_temperature))
        # and wait for 250 ms before taking another measurement - so we don't overflow the terminal
        sleep(0.25)


if __name__ == "__main__":
    try:
        Main()

    # in case CTRL-C / CTRL-D keys are pressed (or anything else that might interrupt)
    except KeyboardInterrupt:
        print('[Keyboard interrupted]')
        sys.exit(0)

    # in case there's an IO error aka I2C
    except IOError:
        print('[IO Error]')
        sys.exit(0)

    # in case we have a math error (like division by 0 - can happen depending on the read values)
    # or if the values exceed a certain threshold
    # experiment and you'll see
    except ValueError as e:
        print('[{}]'.format(str(e)))
        sys.exit(0)
  • Step 4. We will see the temperature display on terminal as below.

pi@raspberrypi:~/GrovePi/Software/Python/grove_hightemperature_sensor $ python high_temperature_example.py
[room temperature: 20.47°C][probe temperature: 32.19°C]
[room temperature: 20.47°C][probe temperature: 32.19°C]
[room temperature: 20.47°C][probe temperature: 32.19°C]
[room temperature: 20.47°C][probe temperature: 32.19°C]
[room temperature: 20.60°C][probe temperature: 32.19°C]
[room temperature: 20.60°C][probe temperature: 32.19°C]
[room temperature: 20.60°C][probe temperature: 32.19°C]

FAQ

Tech Support

Please do not hesitate to contact techsupport@seeed.cc if you require further information.

Resources

!!!Tip More details about Grove modules please refer to

Step 1. Download the from Github.

Step 2. Refer to install library for Arduino.

Step 1. Follow to configure the development environment.

Please click to see all Grove-High_Temperature_Sensor FAQs.

[PDF]

[PDF]

[PDF]

[Eagle]

[Eagle]

[Library]

[Datasheet]

[Datasheet]

Grove System
UltrasonicRanger Library
How to install library
Setting Software
here
Download Wiki PDF
Grove - High Temperature Sensor SCH PDF
Grove - High Temperature Sensor PCB PDF
Grove - High Temperature Sensor Eagle SCH
Grove - High Temperature Sensor Eagle PCB
High Temperature Sensor Library
OPA333 PDF
LMV358 PDF
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