Biosystems Bts 350 User Manual Jun 2026
| Error Message / Symptom | Probable Cause | Solution | | :--- | :--- | :--- | | | A sensor has died or disconnected. | Open the sensor compartment (if trained) and check connections. If the sensor is old (2+ years), it likely needs replacement. | | Constant Beeping on Startup | Low battery or Pump Failure. | Charge the battery. Check the pump filter for water blockage. | | O2 reading stuck at 19.0% | Sensor drift or moisture. | Perform a Fresh Air Zero. If the problem persists, replace the O2 sensor. | | LEL reads 50% in fresh air | Sensor poisoned by silicone or lead. | The LEL sensor is likely "poisoned." It cannot be calibrated and must be replaced. | | Screen is dim | Cold temperature or dying backlight. | Warm the unit up in your jacket. If it remains dim, the internal backlight is failing. |
Carefully remove the analyzer from its protective shipping crate.
7-inch graphic color touch screen with a user-friendly interface.
Read the internal thermal printout or on-screen prompt for final concentrations. 4. Maintenance Schedules
Use the USB or RS-232 serial port for connecting to an external computer for data management. 3. Operating the BTS 350: A Step-by-Step Guide biosystems bts 350 user manual
Use the integrated QC software module to view Levy-Jennings charts.
These essential manuals were the cornerstone for the following deep dive into the device.
Accesses the pre-programmed chemistry techniques.
The BTS 350 typically runs on a rechargeable NiMH or Alkaline battery pack. | Error Message / Symptom | Probable Cause
Remove the sample tube immediately when the buzzer alerts you.
Supports Endpoint, Kinetics, Fixed-time, Differential Mode, and Absorbance.
The BTS-350 is designed for low maintenance, but regular care is essential for peak performance and longevity. The service manual details the need for trained personnel to perform deeper checks, but the user manual outlines tasks for daily upkeep.
Open the printer cover, check the thermal paper orientation, and clear any obstructions. | | Constant Beeping on Startup | Low
The is more than a list of buttons and specifications; it is a training tool and a diagnostic partner. Keeping a printed copy next to the instrument, with highlighted sections for daily start-up and shutdown, reduces downtime dramatically.
The analyzer features an advanced optical design built for longevity and measurement precision. Long-life 12V/20W halogen lamp.
At the end of every operational shift, flush the fluidic system with at least 5 mL of distilled water to prevent protein buildup in the flow cell.
