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Radiation Detector for Alpa, Beta, Gamma and X- Rays |
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Inspector
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| Specifications Geiger Counter |
| Detector | Halogen-quenched,
uncompensated Geiger Muller tube with thin mica window, 1.4-2.0 mg/cm2
areal density. Effective diameter of window is 45 mm (1.75 in.). |
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| Inspector (Internal tube only) |
Radiation symbol on front label marks the center of the detector. | |||||||||||||||||||||
| Inspector EXP (External probe only) |
Same GM tube as Inspector. Anodized aluminum housing with coated, black foam grip | |||||||||||||||||||||
| RAP-RS1 Probe: | 500-volt power supply
is in the probe head. Size- Approx. length: 22.2 cm (8.75 in.) Diameter: 7 cm (2.75 in.) Connector - Amphenol 31226 twinax connectors |
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| Display: | 4 digit liquid crystal display with indicators. | |||||||||||||||||||||
| Averaging periods: | Display will update
every 3 seconds. At low background levels, the update is the moving average for the past 30-second time period. The timed period for the moving average decreases as the radiation level increases. |
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| Operating Range: | mR/hr - .001 (1µR)
to 100 mR/hr µSv/hr - .01 to 1000 CPM - 0 to 300,000 CPS - 0 to 5000 Total/ Timer - 1 to 9,999,000 counts |
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| Accuracy: | mR/hr ± 15% from 0
to 30 mR/hr. mR/hr ± 20% from 30 to 50 mR/hr. CPM ± 15% from 0 to 100,000 CPM. CPM ± 20% from 100,000 to 300,000 CPM. (Referenced to Cs-137) |
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| Sensitivity to Common Isotopes: | Typical GM tube
efficiency for 4 pi geometry at contact.
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| Gamma Sensitivity: | 3500 CPM/mR/hr referenced to Cs-137. Smallest detectable level for I-125 is .02 µCi at contact. | |||||||||||||||||||||
| Timer | Can set 1 minute sampling periods from 1 to 10 minutes. 10 minute sampling periods 10- 60 minutes. 1 hour sampling periods from 1 to 24 hours. | |||||||||||||||||||||
| Count Light | Red LED flashes with each radiation event. | |||||||||||||||||||||
| Audio Indicator | Internally mounted beeper (can be switched off for silent operation). | |||||||||||||||||||||
| Outputs | Dual miniature jack drives CMOS or TTL devices: count to computer or datalogger. Submini jack input allows for electronic calibration. | |||||||||||||||||||||
| Anti-Saturation | Meter will hold at full scale in fields as high as 100 times the maximum reading. | |||||||||||||||||||||
| Power Requirements | One 9-volt alkaline battery. Battery life is min. 200 hours at normal background radiation levels. | |||||||||||||||||||||
| Temperature Range | -10ºC to 50ºC (14ºF to 122ºF) | |||||||||||||||||||||
| Weight | Inspector: 301.4
grams (10.6 oz.) without battery. Inspector EXP: 420 grams (1 lb. 15.6 oz.) without battery |
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| Size | 150 x 80 x 30 mm (5.9 x 3.3 x 1.2 in.). | |||||||||||||||||||||
| Utility Menu The Utility Menu offers several options accessible by holding down the + button while turning the instrument on. |
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| External Detector |
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| The external version of the inspector has the GM detector in a hand held lollipop. The electronics unit can be held in a case with shoulder strap or belt clip. | |
| Wipe Test | |
| The stainless steel WipeTest Plate slides easily onto the Inspector positioning the depression and wipe directly in front of the GM tube window at a fixed distance of 1 centimeter. The WipeTest plate is removable for general surveying or decontamination. It can also be used for protecting the GM from damage and the instrument from being contaminated while the Inspector is not in use. |
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| Observer Software The software provides a virtual interface to the inspector on your PC. The software reads in count, CPM and CPS and has the ability to collect, log and perform statistical analysis on the data received. The data is displayed on a graph as well as digital and analog on screen meters. It can be saved printed and exported to spread sheets. The dwell/count rate can be adjusted or each point on the graph. You can also set the time duration you want to count for. The virtual meters on the screen have adjustable settings and alarms and there are both visual and audio indicators - you can play the meter click through your PC speakers |
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| Ordering Information |
| Model | |
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| SEI Inspector | Standard Inspector: Includes carrying case, 1 year limited warranty and CE mark. | $550.00 |
| SEI-WIPE | Wipe test plate for use with SE1 | $49.00 |
| SEI-EXT | Inspector with pancake probe and cable (42-inch Beldon 9853 with Amphenol 31226 twinax.) | $750.00 |
| SE-SOFT | Observer software for Inspector systems | $85.00 |
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form | related |
Topac Inc 231 CJC Highway, Cohasset MA 02025 USA
Tel: 781 740 8778 Fax: 781 740 8779 e-mail: sales@topac.com
HTML source and page design Copyright ©2002-2006 by Topac Inc. - ALL RIGHTS RESERVED
The
Inspector is a small, handheld microprocessor-based radiation detector
which offers excellent sensitivity to low levels of alpha, beta, gamma,
and x-rays. The digital readout is displayed with a red count light and a
beeper sounds with each count detected.
Other features include an adjustable timer and external calibration
controls.