HP-210
8
GM Probes
The Model HP-210 series hand probes
provide a sensitive beta detector fea-
turing a "Pancake" GM tube with a
thin mica window. This series is
designed for contamination surveys
on personnel, table tops, floors,
equipment, etc. These probes can be
matched with Thermo's portable sur-
vey meters, such as the ASP-2, E-600,
RM-25, Surveyor or Electra/Delta
series.
Model HP-210AL - Aluminum housing
with 1:1 window to background ratio
0.7 kg (1.5 lb)
Model HP-210L - Lead shield with 4:1
window to background ratio 1.9 kg
(4.25 lb)
Model HP-210T - Tungsten shield with
4:1 window to background ratio 1.9 kg
(4.25 lb)
• Application:
Beta/
Gamma
surveys
• Operating voltage: 900 V ±50V
• Beta/Gamma efficiency: 22%
137
Cs,
16%
60
Co
• Operating temp: -30 ºC to 60 ºC
(-22 ºF to 140 ºF)
• Connector: BNC
• These replace the APGM, LPGM or
TPGM
This is an excellent general purpose
GM probe, with energy compensation
and a beta shield, making it the choice
for most health physics applications.
This probe can be matched with
Thermo's portable survey meters,
such as the ASP-2, E-600, RM-25,
Surveyor or Electra/Delta series. See
also the SWGM.
• Application: Beta/Gamma exposure
surveys
• Detector range: 3 R/h (with Dead
time correction)
• Operating volt-
age: 900 V ±50V
• Wall material: Stainless
steel
• Wall thickness: 30 mg/cm² (tube only)
• Operating temp: -40 ºC to 63 ºC
(-40 ºF to 146 ºF)
• Housing: ABS plastic with sliding
beta shield
• Connector: BNC
A gamma hand
probe that uses
a small halo-
gen-quenched
GM tube for
detection of rel-
atively high range
gamma fields. The Geiger
tube assembly is easily removable
from the shield. Used for gamma sur-
veys in high backgrounds and direc-
tional indications. This probe can be
matched with Thermo's portable sur-
vey meters, such as the ASP-2, E-600,
RM-25, Surveyor or Electra/Delta
series.
• Operating voltage: 600 V ±50V
• Detector range: 300 R/h (with Dead
time correction)
• Front to back shield ratio ² 9:1
• Operating temp: -30 ºC to 60 ºC
(-22 ºF to 140 ºF)
• Housing: Steel, chrome plated
• Connector: BNC
HP-270
HP-220A
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