Tracerco T402

Dose Rate Survey Meters

Tracerco T402 Dose Rate Monitor is a lightweight, ergonomic handheld instrument engineered to deliver fast, accurate radiation dose-rate measurements for gamma and X‑rays. Ideal for fieldwork, the T402 integrates cumulative dose tracking and peak dose memory in a rugged, waterproof design, enabling reliable operation in varied industrial and safety-critical environments.

Features

Detects gamma and X‑rays from ~59 keV to 1,332 keV
Bar‑graph display (0–1,000 µSv/h) plus digital numeric readout (up to 10,000 µSv/h or 10 mSv/h)
Integrated cumulative dose function (acts as personal dosimeter)
Peak dose rate memory for maximum exposure logging
Backlit display and adjustable audible alarm thresholds for low‑light and alert customization
Rugged nylon 6/6 housing, IP65 rated (dust-tight and water jet resistant)
Long battery life (~100 hours on standard 9 V PP3) with low‑battery warning at ~4 hours remaining

Applications

Radiation safety monitoring in oil & gas operations
Dose surveys in nuclear power plants
Environmental radiation assessment
Medical imaging facility monitoring
CBRNe / emergency response dose mapping
NDT gamma/X-ray exposure tracking
Mining and industrial research dose rate checks

Technical Data

Parameter	Value / Description
Radiation Detected	X‑rays and gamma rays (59 keV – 1,332 keV)
Detector Type	Energy‑compensated Geiger‑Müller tube
Dose Rate Display Range	0–1,000 µSv/h (bar graph); up to 10,000 µSv/h digital
Accumulated Dose Range	0–10,000 µSv
Peak Dose Rate Memory	Yes
Sensitivity	~1.7 cps per µSv/h
Weight	approx. 500 g (1.1 lb)
Battery	9 V PP3 alkaline, ~100 h life
Low Battery Alert	Low at ~4 hours remaining
Environmental Rating	IP65 (0–95 % RH)
Operating Temperature Effects	<15 % variation over range
Construction	Nylon 6/6 polymer, modular electronics
Intrinsic Safety	Available versions (T402HR) for hazardous zones

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Tags:

radiation monitor, dose rate monitor, Tracerco T402, gamma monitor, X‑ray detector, handheld dosimeter, field radiation survey, peak dose memory, integrated dosimeter function, rugged radiation meter