Eastwood QR101B-2M-RX decade box
Details
The Eastwood QR101B-2M-RX resistance decade box can output desired resistance, making it very useful for prototyping, measuring or analysing.
It features a electronically controllable switch, a modern user interface with a keypad for input and a mini OLED screen for displaying by default the Step-point (SP), resistance Process Value (PV) and max voltage allowed (U<) of PV.
The Plug-and-play USB port supports any free/open source serial software, supporting ASCII type AT style commands. It is also used to charge the 300 mAh Li-Polymer battery, with 500+ charge/discharge cycles and an 12 hour battery life. Furthermore, it features a user calibration function which can be very useful for maintenance.
Models
The models primarily differ in resistance range, resistance stepsize and accuracy.
| Model | QR101B-1M-R1 | QR101B-2M-RX |
| Resistance range | 1 Ω - 630 kΩ | 1 Ω - 1.2 MΩ |
| Resistance stepsize | 0.1 Ω | 0.125 Ω |
| Initial accuracy (< 1.2 MΩ) | ±(0.02%+20mΩ | ±(0.02%+20mΩ |
| Initial accuracy (> 1.2 MΩ) | 0.1% | 0.1% |
| Temperature coefficient | better than ±(25 ppm + 2mΩ)/℃ | better than ±(25 ppm + 2mΩ)/℃ |
| Price |
Accessories
The Eastwood QR101B-2M-RX decade box comes with:
- 2 x M4 banana plug cable (0.5 m)
Pros and cons
- Keypad for input
- OLED screen
- USB-port for recharge and control
Downloads
| QR10X Specs & Manual |  (2.15 MB) | Download |
Video's
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