Description
2024-08-22: The current batch has a manufacturing issue causing the LED backlight not to work. Due to this missing functionality the price for this batch is reduced to 40 USD.
2024-09-10: The units in stock have been reworked and are now shipped with fully working LED backlight again.
The ElmorLabs KTH-USB Thermometer is designed for low temperatures and high refresh rates. It works with E-type, J-type, K-type and T-type thermocouples and can be powered from battery with over 30 days of run-time using one AA battery or using a USB Type-C cable. Included in the bundle is an acrylic case with a stand for convenient placement on your desk and a cable for connecting to the USB-port which also enables logging and firmware updating using the PC software.
Features
- 2x thermocouple inputs (E, J, K, T-type)
- Adjustable refresh rate 20 Hz to 1 Hz (# of samples for averaging)
- Adjustable auto-off function
- End-user calibration functions (-195.8 °C, 0.0 °C or 100.0 °C)
- Powered by 1xAA or USB Type-C cable (included)
- Logging through USB
- Firmware upgradable through USB
- White backlight with three levels
Specification
- Typical K-type accuracy +/- 1°C at 25°C ambient (excluding probe error)
- Wide ambient range (0-50 °C) with K-type probes (-115°C to 366 °C) +/- 2°C
- Wide ambient range (0-50 °C) with K-type probes (-200°C) +/- 5°C
- Reading range -261.3°C to 366.8 °C
- Battery life up to 30 days (powered on and measuring temperature, backlight off)
- Dimensions 70 x 90 x 23.2 mm (with assembled case)
- Mounting holes M3 62.8 x 82.8 mm
Bundle
- ElmorLabs KTH (circuit board)
- Acrylic case (2.8mm thick) with mounting parts
- USB Type-C to Type-A cable 1M black
Collateral
- Latest software (forum)
- CH340 USB-to-Serial driver
- KTH Datasheet v0.2
- KTH Datasheet v0.1
- KTH-USB Firmware 0004
- Fixes user calibration offset
- Improves power off behavior
