Unit KMeter-ISO

SKU:U133-V11

Description

Unit KMeter-ISO is an integrated K-type thermocouple sensor unit that combines "acquisition + isolation + communication" functions. It uses the STM32F030 + MAX31855KASA 14-bit thermocouple digital conversion chip solution to achieve high-precision temperature acquisition and conversion. The MCU uses STM32F030 for data acquisition and I2C communication interface, and CA-IS3641HW is used as the signal isolator. This unit supports the connection of thermocouple probes with a measurement range of -200°C to 1350°C, and uses a universal standard K-type flat interface, making it easy to replace probes with different measurement ranges to meet various needs. This module is widely used in industrial automation, instrumentation, power electronics, heat treatment, and other fields for temperature acquisition, control, and monitoring applications.

Features

STM32F030, high-performance ARM Cortex-M0 core, supports I2C firmware updates
MAX31855KASA+T: (14-bit ADC, 0.25°C resolution, accuracy ±2%)
Supported probe type: K-type
Supported probe measurement range: -200°C to 1350°C
I2C communication interface address: 0x66
Signal isolator CA-IS3641HW isolates input and output signals, improving stability, safety, and reliability.
Supported programming platforms: Arduino, UIFlow

Includes

1 x Unit KMeter-ISO
1 x K-type thermocouple probe (measurement range -50°C to 250°C, 1m cable length)
1 x HY2.0-4P Grove cable (20cm)

Applications

Industrial automation
Instrumentation
Power electronics
Heat treatment

Specifications

Specification	Parameter
MCU	STM32F030, ARM Cortex-M0, up to 48MHz, 64K flash, 4K SRAM
Temperature sensor chip	MAX31855KASA+T
Signal isolation chip	CA-IS3641HW
Resolution	14-bit
Thermocouple operating range	-200°C to 1350°C
Thermocouple type	K-type
Maximum sampling rate	10 Hz
SPI interface clock range	Up to 5 MHz
Internal temperature sensor accuracy	±2°C
Thermocouple measurement accuracy	±2°C
Fault detection	Open circuit, short circuit, and thermocouple low voltage
STM32F030	ARM Cortex-M0, 48MHz, 64K flash, 8K SRAM
I2C communication address	0x66
Product dimensions	56 x 24 x 9.6mm
Package dimensions	136 x 92 x 13mm
Product weight	10.1g
Gross weight	22g