Serial Driver for Orion 290A+ pH Meter
The Thermo Orion 290A+ is a discontinued pH meter originally sold by Thermo Scientific. It has an RS-232 serial interface which when connected with a Null Modem adapter and USB to Serial adapter allows data logging on a computer. See Jupyter Notebook for example usage.
Thermo product page:
https://www.coleparmer.com/i/thermo-scientific-0290a0-ph-mv-relative-mv-concentration-temperature-meter-model-290a/5880400
Orion 290A+ Specifications:
Specifications | Description |
---|---|
Display type | LCD |
Min pH (pH) | -2 |
Max pH (pH) | 19.99 |
pH Resolution | 0.001/0.01/0.1 |
pH Accuracy | ±0.005 pH |
Buffer Recognition | DIN, NIST, and USA |
Min mV (mV) | -1600 |
Max mV (mV) | 1600 |
mV Resolution | 0.1 mV |
mV Accuracy | ±0.2 mV or 0.05%, whichever is greater |
Battery | 1 x 9 V battery (included) |
Width (cm) | 8.255 |
Height (cm) | 19.3675 |
Width (in) | 3 1/4 |
Length (in) | 1 |
Height (in) | 7 |