NOHAWK SF999 Handheld Geiger Counter

Product Description

The NOHAWK SF999 is a handheld Geiger counter and radiation dosimeter engineered for precise detection of X‑rays, beta, and gamma radiation. It offers real‑time monitoring of radioactive environments, ensuring safety for industrial, laboratory, and personal applications. Compact and lightweight, it integrates a rechargeable lithium battery and LCD display for continuous use in demanding conditions. Moreover, its energy‑compensated GM tube guarantees accurate measurement across a wide energy spectrum, making it ideal for professionals who require reliable radiation monitoring.

Functional Highlights

• Provides immediate readings for both dose rate and cumulative radiation exposure.

• Features audible and visual alarms when preset thresholds are exceeded, enhancing safety awareness.

• Equipped with an energy‑compensated Geiger‑Müller tube for accurate detection across 48 keV to 1.5 MeV.

• Compact and portable design supports fieldwork and on‑site inspections.

• Rechargeable 1500 mAh lithium battery ensures long operation time with convenient USB charging.

• User-friendly LCD display shows real-time data, including cumulative dose and current dose rate.

• Durable construction suitable for home, laboratory, industrial, and medical environments.

Technical Specifications

• Manufacturer: Nohawk

• Model: SF999

• Type: Handheld Geiger Counter

• Detector: Energy‑compensated GM tube

• Detectable Radiation: X‑rays, β (beta) rays, γ (gamma) rays

• Energy Range: 48 keV – 1.5 MeV (≤30% deviation for Cs‑137)

• Sensitivity: ~80 CPM/µSv (for Co‑60)

• Dose Rate Range: 0.01 µSv/h – 10,000 µSv/h (up to 10 mSv/h)

• Cumulative Dose Range: 0.01 µSv – 500.0 mSv

• Display: LCD screen with real-time readings

• Alarm: Audible and visual thresholds alerts

• Power Supply: Built-in 1500 mAh rechargeable lithium battery

• Battery Life: Long operation, USB rechargeable

• Dimensions: 21 × 12 × 15 cm

• Weight: 0.5 kg

Typical Applications

• Nuclear safety monitoring and emergency response.

• Environmental radiation assessment and research.

• Medical X‑ray equipment safety checks.

• Industrial radiography and laboratory radiation measurements.

• Personal dosimetry for occupational safety compliance.

FAQ

Q1: How often should the SF999 be calibrated?
A1: Calibration is recommended annually or as required by regulatory standards.

Q2: Can it detect all types of radiation?
A2: It accurately detects X‑rays, beta, and gamma radiation within its energy range.

Q3: How long does the battery last on a single charge?
A3: The built-in lithium battery supports extended use, typically lasting several days depending on operation.

Q4: Is the SF999 suitable for industrial environments?
A4: Yes, it is designed to withstand rugged conditions and portable field inspections.

Q5: Does it provide cumulative dose measurements?
A5: Yes, the device tracks both real-time dose rate and cumulative dose over time.