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Radiation Detection

Area Monitors Portable -       AMP 50

PDF file   AMP - 100      AMP - 200

The AMP-50 is a GM tube-based  low range Area Monitor.  It has been designed specifically to be used in low dose rate fields using a very sensitive GM tube. 

The AMP-50’s detector features a linear response from 10 µR/h to 4 R/h (0.1 µSv/h  to 40 mSv/h ).   

 

The probe head may be located near a filter cube, rad waste stream, resin tank, or even inside the fuel pool (to take advantage of waterproof characteristics). The AMP-50 may be used in one of 2 ways: by locally reading the smoothed digital display via the hand-held meter, or by connecting the meter to a  Remote Monitoring  System (e.g. wired DDC 16 or wireless WRMPlus) and TeleMap or connected directly to RS-232 computer input (using the RS-232 cable)

Features

Wide range response from 10 µR/h to 4 R/h (0.1 µSv/h to 40 mSv/h). 
Ruggedized construction, waterproof detector housing  and cable
Quick-connect connectors allow customization of cable length and facilitate easy de-contamination 
Built-in RS-232 communication connection for use with Area Monitor or WRM transmitter 
"Smoothed" digital display offers accurate, stable readings 
User-selectable internal alarm threshold

Applications

Area monitoring of low dose rate areas (ISFSI -Independent Spent Fuel Storage Installations)
Low-level radioactive waste material surveillance 
Facility & site boundary surveillance 
Emergency Response surveillance 
Control shipping of radioactive material  
Environmental monitoring 
Outdoor area monitoring 
Underwater surveys 
Alara waiting areas 

Technical Description 

The Area Monitor Probe (AMP-50) is a low-range GM tube-based detector designed to be continuously used in areas where exposure levels are required to be monitored. 

The instrument consists of three parts: the Meter box, which includes the display unit, operating pushbuttons and detector’s electronics; The probe head, which contains the GM Tube; and the connecting cable,  which is fitted with quick-connect-type connectors at each end.  The AMP-50’s connections and probe head feature watertight sealing to allow for use in underwater applications.

 

Specifications

Detector:

 

(ZP-1201, or equivalent)

Energy Range:

 

50 KeV  to 2 MeV.

Measuring Range:

 

10µ R/h to 4 R/h (0.1 µSv/h  to 40 mSv/h)

 Sensitivity (137Cs):

 

17 cps per mR/hr

 Accuracy:

 

±10% of reading within measuring range

Units:

 

mR/h and mR or m Sv/h and m Sv

Controls:

 

Four key keypad with positive feedback. Key combinations for programming operating parameters.

Power Source:

 

One 9-volt cell battery or external 9V power supply, 50 hours minimum continuous operation, using an alkaline battery (speaker off)
Automatic battery check under full load (without backlighting)

Display :

 

LCD Display showing: Detector failure, Low battery, Overflow, Threshold

Temperature Range: 

 

Operation: -10° C to +50° C (15° F to 122° F)
Storage: -20° C to +60° C (-5° F to 140° F)

Humidity Range 

 

40% to 95% RH (non condensing)

Casing Material:

 

Meter: Aluminum
Detector: Aluminum, waterproof

Dimensions:

 

Meter: 2.7” wide, 4.7” high, 1.25” deep
Detector: Length:6.2”, diameter:1.3”

Weight: 

 

Meter: 340 g (0.76 lbs) including battery
Detector: 131 g (0.29 lbs) without cable

Std. Cable Length:

 

25 ft.

Max. Cable Length:

 

350 ft.

Expected detector lifetime: 

 


250 h  at  1000 R/h

Accuracy, range and sensitivity details are related to 137Cs

Ordering Number:_ #4-0026

 

Send mail to dleas@arrowtechinc.com    with questions or comments about this site.
Last modified:  03/10/08