Electra DELTA 25 Bedienungsanleitung PDF herunterladen (Seite 8)

6

BP1/4A

A small, end

window GM

probe with an

integral cable,

designed to

detect high-ener-

gy beta, x-rays

and gamma rays. Suitable for teaching

and demonstration purposes and also

used to pinpoint x-ray shield leakage.

This probe can be matched with

Thermo's portable survey meters,

such as the Electra/Delta Series.

• Connector: PET

An energy compensated GM detector

in a rugged light alloy housing, used

for low-level surveys. Sensitivity is

equivalent to industry types MC71 and

TGM 5368. This probe can be

matched with Thermo's portable sur-

vey meters, such as the Electra/Delta

Series.

• Doserate range: 0.1 µSvh

-1

, (10 µR/h)

to 200 µSvh

-1

, (20 mR/h) when used

with the Electra or Delta5 with Dead

time correction

• Operating HV: 450 V

• GP20B/R, GP20B/Sv connector, MHV

GM Probe Data

Model

number

App. Sensitivity

cpm/mR/h

Energy

comp.

Efficiency

Alpha Beta(4π)

Dead

time

137

Cs

230

Th

241

Am(4π)

14

C

147

Pm

99

Tc

90

Sr/

90

Y

(µs)

GP20B/R Y

GP21B/R

HP-190A Cont. 2500 N 6% 10% 25% 35% 200

HP-210 Cont. 3600 N 25% 6% 15% 32% 50

HP-220 Exp. 19 (

60

Co) N 30

HP-270 Exp. 1200 Y 100

HP-290 Exp. 80 Y 100

HP-360 Cont. 3600 N 25% 6% 15% 32% 50

IGP24A/Sv 137 Y

MC71 Y

SL,SLR

SWGM 1600 — — 15% 100

PGM/ECPGM 3600 50% 10% 20% 30% 45% 50

GM Probes/Data

BP1/4A

GP20 Family

•

Sv versions measure

Ambient Dose Equivalent

•

R versions measure

exposure

•

Energy range:

60 keV–2 MeV

•

HV: 450 V

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