The RJ34 handheld nuclide identifier is a portable gamma spectrometer used in laboratories and fields. It is easy to operate, can quickly and accurately distinguish the type and radiation intensity of radioactive nuclides, and has search, detection, and alarm functions. It can be widely used in environmental protection, customs, security checks, metallurgy, industrial and mining enterprises, and research institutes, providing an ideal detection method for environmental radiation monitoring, nuclear anti-terrorism security checks, radiation source cleaning, and other nuclear technology application fields.

Equipment standard hardware composition:

-Spectral probe: Sodium iodide NaI (Tl) detector+1 set of low-noise photomultiplier tube

-Anti overload probe: 1 GM detector with energy compensation

-Spectral analysis: 1 multi-channel gamma analyzer

-Data storage: 1 large capacity storage card

-Monitoring data transmission: 1 USB serial port and data cable

-Power supply: 1 large capacity lithium battery

-Charging: 1 set of voltage regulator charger

-Packaging: 1 high-strength ABS waterproof box

Equipment optional hardware:

-Neutron detection: 1 neutron detector

-Spectral probe: Bromine blue (LaBr3: Ce3+) detector+1 set of low-noise photomultiplier tube

-Data analysis: 1 CD of upper computer analysis software

Technical features:

1. High sensitivity

The equipment is equipped with a NaI (Tl) detector with a diameter of 50 × 50, and the sensitivity reaches the environmental level;

2. No need for stable spectrum of radioactive sources

Before the detection of the nuclear identification instrument, a specific radioactive source is required to stabilize the reference gamma spectrum. The equipment can automatically stabilize and calibrate the spectrum without using a radioactive source;

3. Strong recognition ability and fast speed

The device can recognize more than 5 types of composite radiation fields and accurately report the species of nuclides in as fast as 15 seconds;

4. Easy to operate

After the device is turned on, it automatically stabilizes the spectrum and enters the "one click nuclide recognition" mode, which is very simple to operate;

5. Large capacity data storage

Equipped with a 4G high-capacity storage card, it can store over 100000 sets of dose rate data and over 200 sets of 1024 channel full spectrum data;

6. Rich nuclide library

The device comes with a library of 48 or more nuclides and can manually add any nuclide of interest (industrial, medical, natural nuclide, and nuclear material). Below are some nuclides listed

Special nuclear materials: 233U, 235U, 238U, 237U, 239U

Medical nuclear materials: 18F, 67Ga, 99mTc, 111In, 123I, 125I, 131I, 133Xe, 201TI, 51Cr, 103Pd

Industrial nuclides: 57Co, 75Se, 60Co, 133Ba, 137Cs, 192Ir, 241Am, 152Eu

Natural nuclides: 40K, 226Ra, 232Th, 238U

Technical Indicators:

1. Parameters of sodium iodide energy spectrum probe:

1.1 Detector type: Low potassium NaI (TI)+low-noise photomultiplier tube

1.2 Scintillator size: Φ 50 × 50mm

1.3 Energy range: 30Kev~3MeV

1.4 Energy resolution: ≤ 6.9% (662Kev)

1.5 Sensitivity: 1250CPS/ Sv/h (for Cs-137)

2. Neutron detector parameters:

2.1 Detector type: He3 neutron detector

2.2 Energy range: 0.025eV (thermal neutron)~14MeV

2.3 Counting lifespan: infinite

2.4 Detector size: Φ 5mm × 20mm;

2.5 Sensitivity: 0.4CPS/muSv/h

2.6 Dose rate range: 1 μ Sv/h~100mSv/h

3. Parameters of Bromide Blue (LaBr3: Ce3+) Spectral Probe:

3.1 Detector type: Bromine bromide (LaBr3: Ce3+)+low-noise photomultiplier tube

3.2 Scintillator size: Φ 30 × 30mm

3.3 Energy range: 30keV~3MeV

3.4 Energy resolution: ≤ 3.5% (662Kev)

3.5 Sensitivity: 1250cps/ Sv/h (for Cs-137)

4. Equipment system parameters:

4.1 Number of spectral channels: 1024 channels

4.2 Recognition ability: 5 types of composite radiation fields

4.3 Dose rate range: 1nSv/h~30mSv/h

4.4 Source seeking mode: Real time CPS counting

4.5 Relative basic error of dose rate: ± 5%

4.6 Data Storage: 4G Memory Card, capable of storing over 100000 sets of data

4.7 Display units: μ Sv/h, mSv/h, mR/h, μ Gy/h, mGy/h, CPS, CPM, mSv

4.8 Threshold setting: Three times continuously adjustable from the background

4.9 Alarm items: Over threshold alarm, detector fault alarm, low power alarm, over range alarm

4.10 Alarm mode: Sound and light alarm, vibration alarm can be combined arbitrarily

4.11 Self protection: Over threshold protection

4.12 Display: Large screen color touch screen with backlight function

4.13 Acute: Ready to use upon startup, no need for preheating

4.14 Data Analysis: Equipped with USB interface and upper computer software

4.15 Shell: High strength ABS

4.16 Power on working time: ≥ 24 hours

4.17 Equipment weight: 2.5Kg

4.18 Protection level of packaging box: IP65

4.19 Temperature range: -20 ℃~+60 ℃

4.20 Humidity range: ≤ 98% (40 ℃)