Now Live on Amazon: Group3 HTM-121 Digital Tesla Meter & Gauss Meter
- Ray Reyes
- 1 day ago
- 1 min read

We're excited to announce that the Group3 HTM-121 Digital Tesla Meter/Gauss Meter is now available on Amazon!
Engineered for professionals, the HTM-121 handheld teslameter delivers high-precision magnetic field measurement with ±0.5% of reading accuracy and calibration up to 2.2 Tesla (bipolar). Whether you're working in research laboratories, manufacturing, quality assurance, or industrial testing, the HTM-121 provides reliable, repeatable performance you can trust.
Why Choose the Group3 HTM-121?
✔ ±0.5% of reading accuracy for precise magnetic field measurements
✔ Calibrated up to 2.2 Tesla (bipolar)
✔ Autoranging with 60 readings per second for fast, accurate results
✔ Integrated data logging with LabVIEW VI for analysis and reporting
✔ USB 2.0 connectivity for seamless PC communication
✔ High-contrast OLED display with Min/Max value tracking
✔ Temperature compensated from -5°C to 50°C for dependable performance in demanding environments
✔ Rechargeable NiMH battery with up to 20 hours of operation and charging indicator
✔ Interchangeable Hall Effect probes with embedded calibration memory for plug-and-play accuracy
✔ Rugged aerospace-grade aluminum enclosure built for laboratory and field use
From magnet testing and motor inspection to MRI component testing, research, and QA/QC applications, the Group3 HTM-121 Digital Tesla Meter is designed to deliver professional-grade performance wherever accurate magnetic field measurement is required.
Proudly designed and manufactured in New Zealand, Group3 has been a trusted leader in magnetic field instrumentation since 1985.
🛒 The Group3 HTM-121 is now available on Amazon. Experience precision, reliability, and durability in the palm of your hand. Link: https://www.amazon.com/dp/B0DPF6B69X

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