Máy đo phổ gamma gs-512i

MÁY ĐO PHỔ GAMMA

Model: GS-512i

Hãng sản xuất: Satisgeo

Xuất xứ: Cộng hòa Séc

Features

512 channels in range of 0,1 to 3 MeV

8 regions of interest (ROI) set from the panel

Internal memory for up to 7500 complete spectra

Pile-Up rejector to detect and discard double peaks

Automatic spectrum stabilization using typically 137Cs or 133Ba isotopes

PC program for transfer and processing data

Possible control from PC

Assay mode - K, U, Th in % or ppm

Dose rate in nG/h

Test pad calibration

Detector NaI 3"x 3"

Large LCD graphical display

GPS connection via Bluetooth

Specifications

Amplifier: Semi-gaussian pulse shaping, 1 μs time constant with pole zero cancellation, DC restoration, digitally controlled gain +/- 25 %

Analag/digital converter (ADC): Successive Approximation ADC, 16Bit, 1.33MSPS, conversion time 0.8 μs

channel width: 5 mV, input voltage range: 50 mV to 2.5 V

differential non-linearity: max. 1 % in the range 50 mV to 2.5 V

integral non-linearity: max. 0.3 % in the range 50 mV to 2.5 V

zero drift: 2 mV/10 °C

maximum input count rate: 50 000 counts per second with a peak displacement, due to zero shift, inferior to 1 %

Channel Analyser: The 512 channels, max. (232 - 1) counts per channel live time mode of collection setting in the range 5 s to 23:59:59

Digital Spectrum Stabiliser:            Range of reference peak setting is 40 - 500 channel, control range is ± 25 %, stabilisation sensitivity 0.5 %

Internal data memory: Memory for up to 7500 complete spectra.

Interface: USB 2.0 or BlueTooth for data transfer and remote control, Bletooth can be used to connect to BlueTooth GPS

Keyboard: 20 push-buttons membrane-type, dust resistant, water-tight, weather-proof

Display: Graphical LCD 240 x 128 dots

Audio indication: 1 kHz buzzer

Internal supply power: 6 alkaline battery LR6 AA 1.5 V or 6 accumulators type HiMH 1.2 V

External supply power: 8 - 15 V/400 mA

Dimension: 228 x 83 x 110 mm

Weight: 1.5 kg without with batteries

Probes Specifications

Parameter: GSP-3

Crystal size: ø 76 x 76 mm (346 cm3)

Detector: Sodium iodide, thallium activated NaI (Tl) scintillation crystal and photo-multiplier as a monoline scintiblock

Dimensions: ø 120 x 410 mm

Weight: 4.6 kg

Operating temp. range: 0°C to +40°C

Storage temp. range:  –10°C to +50°C

Energy resolution for 137Cs (662 keV): Better than 7.5 %

Standard Components

• GS-512i Console

• GSP-3 detection probe

• Detection probe - console connection cable

• Reference radiation source EG1 137Cs

• USB cable

• Instruction manual

• Screwdriver

• Shoulder strap

• Transportation padded case

• Charger

• CD with calibration and communcation program