Pax Instruments T400
 | |
| Status | planned |
|---|---|
| Connectivity | USB/serial |
| Measurement range (A) | -270 - 1370 C |
| Resolution | 0.1 C |
| Accuracy (94dB@1kHz) | 1.5 C |
| Website | paxinstruments.com |
The Pax Instruments T400 is a logging thermometer with four thermocouple inputs, USB connectivity, and MicroSD storage. It supports K type thermocouples.
Hardware
- Microcontroller: Atmel ATmega32U4, 8 MHz, 3.3 V
- ADC: Microchip MCP3424
- Junction temperature: Microchip MCP9800
- Screen: 132x64 LCD
Protocol
The T400 outputs CSV data in ASCII format over a USB serial port. Upon device boot or when a new log file is started a header is also output.
Here is a sample of the serial output when a new logging session has started:
v0.14-beta
File: LD0041.CSV
time (s), temp_0 (C), temp_1 (C), temp_2 (C), temp_3 (C)
0, 24.86, 24.30, 25.83, 23.48
1, 24.86, 24.30, 25.83, 23.48
2, 24.86, 24.30, 25.83, 23.28
3, 24.79, 24.22, 25.56, 23.21
4, 24.99, 24.22, 25.56, 23.04
5, 24.79, 24.22, 25.56, 23.21
6, 24.74, 24.17, 25.51, 22.99
7, 24.99, 24.22, 25.36, 23.04
8, 24.94, 24.17, 25.31, 22.99
9, 24.94, 24.17, 25.31, 22.99
10, 24.94, 24.17, 25.31, 22.99
11, 24.94, 24.17, 25.31, 22.99