UNI-T UT334A Radiation Dose Tester
The UNI‑T UT334A is a compact, handheld radiation dose tester engineered for precise monitoring of ionizing radiation in diverse environments. Housed in a durable red‑and‑grey enclosure measuring just 120 × 65 × 25 mm and weighing a mere 127 g, it blends portability with robust measurement capabilities. At its core lies a high‑sensitivity Geiger Müller counter tube that swiftly detects and quantifies beta (β), gamma (γ) and X‑ray emissions, delivering real‑time dose rates and cumulative dose readings.
Users benefit from intuitive audible and visual alarms that trigger upon exceeding preset thresholds, alongside built‑in data storage for up to ten measurement groups, facilitating later review. A rechargeable 3.7 V/1 800 mAh Li‑ion battery ensures continuous operation for roughly 20 days between charges, while the modern Type‑C interface streamlines recharging.
Whether deployed in industrial non‑destructive testing, geological surveys, or personal dose supervision, the UT334A offers reliable, user‑friendly performance in a pocket‑sized package.
Features:
- Data storage (10 groups).
- Audible and visual alarms.
- Rechargeable Li‑ion battery.
- Portable, pocket‑sized design.
Specifications:
| Parameter | Details |
|---|---|
| Detection Range: | 0.05 µSv/h – 50 mSv/h |
| Sensor: | Geiger–Müller counter tube |
| Detected Radiation: | X‑rays, β-rays, γ‑rays |
| Alarm Modes: | Audible & visual |
| Alarm Threshold Accuracy: | −17% to +25% (based on Cs‑137) |
| Alarm Response Time: | < 10 s |
| Battery: | 3.7 V Li‑ion, 1 800 mAh |
| Battery Life: | ≈ 20 days (continuous use) |
| Charging Interface: | USB Type‑C |
| Dimensions: | 120 × 65 × 25 mm |
| Net Weight: | 127 g |
Applications:
- Home decoration.
- Radiation processing enterprises.
- Health and epidemic prevention.
- Radiation therapy.
- Import and export inspection.
- Building materials testing.
- Petrochemical industries.
- Geological surveys.
- Scrap steel inspection.
- Industrial non‑destructive testing.
- Personal radiation dose supervision and protection.


Package Contents:
- 1x Gift box
- 1x User manual
- 1x Carrying bag
- 1x Hand strap
- 1x USB cable






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