Description
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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 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 | STM32F030F4P6 |
| 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 |
| Communication Interface | I2C @0x66 |
| Product Size | 56.0 x 24.0 x 8.0mm |
| Product Weight | 10.0g |
| Package Size | 138.0 x 93.0 x 9.0mm |
| Gross Weight | 22.0g |
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