Electra DELTA 25 Manual de usuario descargar pdf (Pagina 25)

G1, G1LE, G2, G2LE and G3

SPA-8

23

Gamma Scintillation Probes

Sodium Iodide Scintillation Probes

This scintillation probe is a rugged, alu-

minum bodied gamma detector

designed for low sensitivity applica-

tions. This probe can be matched with

Thermo's portable survey meters, such

as the ASP-2, E-600, RM-25 or

Electra/Delta series.

• Detector type: 1" dia x 1" thick NaI

• Operating Voltage: 600 V nominal

• Dead time: 36 µs nominal

• Operating Temp:

-30 ºC to 60 ºC

(-22 ºF to 140 ºF)

• Connector: MHV

• Size: 4.7 dia. x 21.1 cm

(1.85” dia. x 8.31”)

• Weight: 0.4 kg (0.9 lb)

• Consider as an alternate to the G1

This scintillation probe is

an aluminum bodied

gamma detector

designed for detection of

low to medium energy

gammas. This probe can

be matched with

Thermo's portable survey meters, such

as the ASP-2, E-600, RM-25 or

Electra/Delta series.

• Detector type: 2" dia x 0.5" thick NaI

• Operating Voltage: 1,000 V nominal

• Dead time: 18 µs nominal

• Operating Temp: -30 ºC to

60 ºC (-22 ºF to 140 ºF)

• Connector: MHV

• Size: 6.6 dia. x 20.1 cm (2.6” dia. x

7.9”)

• Weight: 0.7 kg (1.5 lb)

SPA-9

Scintillation probes fitted with 2.5 cm

(1”), 5 cm (2”) or 7.6 cm (3”) diameter

Sodium Iodide detectors to provide a

range of gamma sensitivity that can

be used for energy discrimination with

single channel analyzers.

G1: Compact, lightweight and useful

for detecting small background

changes.

G1LE: For enhanced detection of low

energy emitters such as

125

I. The G2LE

is a 2” version also optimized for

125

I

detection.

G2: Rugged, with greater sensitivity

than the G1, and also useful for

detecting sub-surface gamma emis-

sions during cleanup or decommision-

ing. Response: 1,200 kcpm per mR/h

due to

137

Cs.

G2LE: A 5 cm (2”) thin crystal version,

optimized for

125

I detection.

G3: Rugged with twice the sensitivity

of the G2. Response: 4,000 kcpm per

mR/h (

137

Cs).

Consider LEG-2 and PG-2 as possible

alternates. Best used with ASP2E,

E-600 and Electra.

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