Description
Bruker TANGO II FT-NIR Spectrometer Repair
The TANGO II is Bruker’s FT-NIR spectrometer for routine quality control, covering 11,500 to 4,000 cm-1 at better than 4 cm-1 resolution with wavenumber reproducibility better than 0.04 cm-1 at 7,181 cm-1, on about 40 W. It ships in two configurations, a transmission model for liquids with temperature control from +20 to +80 degrees C, and a reflection model for solids and semi-solids using a gold-coated integrating sphere with optional sample rotators. It is built to be operated by production staff rather than spectroscopists, and that operating model is what makes a fault expensive: the people using it are not equipped to tell a drifting instrument from a drifting process, so a quiet degradation can run for weeks before anyone questions the numbers.
June Company’s certified technicians repair the TANGO II for food and feed producers, agricultural laboratories, pharmaceutical QC teams, and chemical manufacturers. We diagnose and repair at the board and component level, and every instrument is functionally verified against known reference standards before it ships back.
Common TANGO II problems we fix
- Interferometer alignment and drive faults — loss of throughput or resolution, showing up as calibrations that no longer predict correctly.
- NIR source ageing or failure — falling energy, which appears as prediction error creeping up across all parameters at once.
- Detector degradation — rising noise floor and falling sensitivity, most visible on weak bands and trace components.
- Seal and desiccant failures — moisture reaching the optical bench, which shows up as water vapor bands across the spectrum.
- Sample interface and rotating cup faults — the sample presentation mechanism not indexing or not seating, which changes results without any obvious error.
- USB, Wi-Fi and Bluetooth communication faults — results not transferring to the host software, or the instrument not being recognized at all.
- Failed startup self-check or calibration verification — the instrument no longer verifying correctly against its internal reference.
- Power supply and control board faults — intermittent startup or shutdowns partway through a run.
- Internal validation failures — the instrument failing its own performance qualification checks.
FAQs
Our calibrations have drifted. Is that the instrument or the model? That is exactly the question worth answering before rebuilding a calibration. We verify the instrument against reference standards, which tells you which side the drift is on.
Production depends on this instrument. Can you prioritize it? Say so when you submit the service request and we will confirm a realistic turnaround with the quote.
Do you handle the original TANGO as well as the TANGO II? Yes, both come through the bench.
Every repair is backed by a 90-day parts-and-labor warranty, with a firm quote before any work begins. Email us or submit a service request.






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