Meter inspection work does not always happen indoors or on cloudy days. On sunny summer days outdoors, inspection engineers often face a frustrating situation: they align the optical probe perfectly with the meter's infrared port, yet reading operations repeatedly fail or time out. This happens because strong ambient light contains significant infrared components that interfere with the probe's infrared receiver, drowning out the signal. Tespro's Bluetooth optical probe uses an infrared optical sensor with a wavelength of approximately 900 nm — carefully selected to avoid interference from common ambient light spectra. On the receiving end, it uses high‑sensitivity filtering and demodulation circuits to stably receive meter infrared signals even under direct midday sunlight. For engineers inspecting outdoor distribution cabinets, pole‑mounted meters, or open substations, this anti‑glare capability means fewer retries and higher first‑read success rates.
Beyond optical performance, physical connection stability during use is equally important. The meter's infrared communication port is typically a recessed circular window surrounded by a metal ring. Tespro's Bluetooth optical probe features high‑grade neodymium magnets, providing strong and stable holding force that keeps the probe firmly attached to the meter surface. Even in vibrating environments — near compressors, large motors, or roadside cabinets with heavy traffic — the probe maintains tight contact without communication interruption from micro‑vibrations. This strong magnetic design also offers a convenience: engineers can let go during reading to operate their phones or record data, with the probe staying securely attached — truly hands‑free operation. For scenarios requiring simultaneous meter reading and paper or electronic record filling, this feature significantly improves efficiency.
Can the Tespro Bluetooth optical probe read stably in strong light conditions, and could the strong magnetic adhesion damage the meter surface?
Yes. Tespro's Bluetooth optical probe uses an approximately 900nm wavelength infrared sensor with specially designed filtering circuits, stably receiving meter signals even in direct sunlight. The strong magnetic adhesion attaches to the meter's infrared port metal ring — a standard part of the meter's design — causing no damage to plastic housings or electronic components, and removes easily with a gentle pull.
Tespro's Bluetooth optical probe also excels in harsh environment adaptability. The product achieves an IP65 dustproof and waterproof rating, completely preventing dust ingress and resisting low‑pressure water jets from any direction. During outdoor inspections in rainy southern regions, even a sudden shower does not require hurriedly packing up equipment — the probe continues working normally in the rain. The operating temperature range covers minus 40 to plus 70 degrees Celsius — whether facing northern winter extremes or southern summer sun, device stability remains unaffected. The housing uses high‑strength ABS+PC material with a silicone protective cover, effectively absorbing impact during accidental drops. For teams frequently inspecting meters outdoors, in industrial sites, or under extreme climate conditions, these optical performance and environmental adaptability features of Tespro's Bluetooth optical probe mean higher read success rates, fewer retries, and longer device service life.
