Technical datasheet
Key Features
- Analog & NTC Inputs: 8 channels (selectable between analog and NTC)
- Digital Inputs: 6 channels
- External Control: Supports external trigger and control through digital inputs
- Logging Frequencies:
- Once per hour, once per 10 minutes, once per 5 minutes, once per minute
- High-speed options: 10 seconds, 1 Hz, 2 Hz, 5 Hz, 10 Hz, 25 Hz, 50 Hz, 100 Hz, 250 Hz
- ADC Resolution: Selectable between 12-bit or 16-bit
- Voltage Range: +/-10V or +/-60V (selectable)
- Power Supply: USB-C powered (300 mA max.)
- Wi-Fi: 2.4GHz with modes:
- Access point
- Client mode (connect to access point)
- Both modes can be active simultaneously
- Web Interface Features:
- 1 Hz live data view of the channels
- Start / stop logging
- Configure settings
- Buttons: 2 physical buttons for start/stop logging and reset
- LEDs: Log status (green), error state (red)
- API Control: Configure, control the logger, and retrieve data
- RTC Clock:
- Tracks time and stores it as UTC in the CSV (no time zone support)
- Time is synced to your PC through the web interface
- Includes a lithium cell to keep time running when power is off
- Included Accessories: 1x USB-C cable, 1x32 GB micro SD-card and 8x NTCs
- Firmware: Upgradable for new features
Electrical specifications
| Parameter | Description | Value |
|---|---|---|
| Electrical characteristics | ||
| Supply voltage | Range: 4.75 V to 5.25 V | |
| Supply current (max) | 300 mA | |
| Analog input characteristics | ||
| Input voltage range | Selectable | -10 V to +10 V or -60 V to +60 V |
| Input impedance | 100 kOhm | |
| Input accuracy | +/-0.5% | |
| ADC resolution | Selectable: 12-bit or 16-bit | |
| Analog filter | Analog anti-aliasing filter cut-off frequency (1st order) | 5 kHz |
| Digital filter on analog inputs | Digital anti-aliasing filter cut-off frequency (1st order) | f_sample/2 (Active in 16-bit mode only) |
| Averaging | Averaging values over time using IIR filter | Only for f_sample < 1 Hz |
| Input protection | Over-voltage protection clamped | |
| Digital input characteristics | ||
| Input voltage range | -60 V to +60 V | |
| Input impedance | 100 kOhm | |
| Analog filter | Analog de-bounce filter cut-off frequency (1st order) | 100 kHz |
| Input LOW | Voltage to read digital LOW (false) | 1.0V |
| Input HIGH | Voltage to read digital HIGH (true) | 2.0V |
| Input protection | Over-voltage protection clamped | |
| Connectivity | ||
| NTC type | 10 kOhm @ 25⁰C, beta=3950 | |
| NTC connector | JST-XH 2.5 2p | |
| Wi-Fi | 802.11 b/g/n | |
| Wi-Fi supported frequencies | 2.4 GHz | |
| Wi-Fi security | WPA2/WPA3 personal | |
| USB-Port-C | Only used for power | |
| SD-Card | MicroSD, Up to 32GB, FAT only, Max file size: 4GB | |
| Mechanical | ||
| Outer dimensions UL01 | 148x77x23 mm (approximately) | |
| Outer dimensions UL01B | 189x77x21.5 mm (approximately) | |
| Enclosure type UL01 | Board stack with descriptive silkscreen | |
| Enclosure type UL01B | Black resin |