Model 52 Portable Portal Monitor

Portable
Assembles or disassembles in 5 minutes
Battery or AC Power
Carrying Case Included

PART NUMBER:48-2471

INDICATED USE: Portable personnel monitoring (NOTE: This instrument is portable and can be assembled or disassembled in less than 5 minutes. Carrying case is included)
DETECTORS:
BODY - 14 ea. G-M pancake detectors (2 per channel)
     WINDOW - 1.7 ± 0.3 mg/cm² mica
     WINDOW AREA:ACTIVE - Approximately 15.4 cm²
     OPEN - Approximately 12.2 cm²
SHOE: 4 ea. stainless steel wall G-M detectors (2 per shoe)
     WALL THICKNESS: 37 ± 7 mg/cm²
     ACTIVE LENGTH: Approximately 9"(22.9cm)
     SENSITIVITY: Typically 8800 cpm/mR/hr (¹³⁷Cs)
THRESHOLD: 45 ± 10 mV
MASTER ALARM: Indicated by red LED's, and audible signal (greater than 68 dB at 2 feet)

NOTE: Alarm can be set at any point from 1 - 9999. Alarm system consists of 8 individual detector arrays and a summing circuit which sums the activity from all detectors. If the activity increases above either alarm threshold setting (individual channel or summing channel) the master alarm circuit is activated.

COUNT TIME: Adjustable from 1 - 60 seconds
READY: (green LED) Indicates the instrument is ready for use
COUNTING: (green LED) Indicates that a count is in process
INCOMPLETE: (amber LED) Indicates the user has stepped off the portal before the count is complete
UPDATING: (amber LED) Indicates the system is updating the background (adjustable from 0 - 99 minutes)
FORCE BACKGROUND UPDATE: Adjustable from 0 - 99 minutes
BACKGROUND COUNT TIME: Can be set at any point from 0 - 99 seconds
POWER: 95 - 135 VAC (178 - 240 VAC available), 50 - 60 Hz single phase (less than 100 mA) or 6 each "D" cell batteries
CONSTRUCTION: Aluminum housing with beige polyurethane enamel paint
TEMPERATURE RANGE: -4° F(-20° C) to 122° F(50° C)
May be certified for operation from -40° F(-40° C) to 150° F(65° C)
SIZE: 80"(203.3cm)H X 41"(104cm)W X 20.5"(52.1cm)D
PORTAL DIMENSIONS: 76.5"(194.3cm)H X 32"(81.3cm)W
WEIGHT: 65 lbs (29.5kg)

SHIPPING SIZE: 59"(149.9cm)H X 37"(93.9cm)W X 34"(86.4cm)D
SHIPPING WEIGHT: 93 lbs (42.3kg)

Replacement Parts

Pancake G-M Tube

Ordering Info.         Manual

Return to ludlums.com

Copyright © 2000 Ludlum Measurements, Inc.
For comments or suggestions please contact webmaster at: email Mick Truitt
Page last updated: December 2000


*Portable* *Assembles or disassembles in 5 minutes* *Battery or AC Power* *Carrying Case Included*	PART NUMBER:48-2471
INDICATED USE: Portable personnel monitoring (NOTE: This instrument is portable and can be assembled or disassembled in less than 5 minutes. Carrying case is included) DETECTORS: BODY - 14 ea. G-M pancake detectors (2 per channel) WINDOW - 1.7 ± 0.3 mg/cm² mica WINDOW AREA:ACTIVE - Approximately 15.4 cm² OPEN - Approximately 12.2 cm² SHOE: 4 ea. stainless steel wall G-M detectors (2 per shoe) WALL THICKNESS: 37 ± 7 mg/cm² ACTIVE LENGTH: Approximately 9"(22.9cm) SENSITIVITY: Typically 8800 cpm/mR/hr (¹³⁷Cs) THRESHOLD: 45 ± 10 mV MASTER ALARM: Indicated by red LED's, and audible signal (greater than 68 dB at 2 feet) NOTE: Alarm can be set at any point from 1 - 9999. Alarm system consists of 8 individual detector arrays and a summing circuit which sums the activity from all detectors. If the activity increases above either alarm threshold setting (individual channel or summing channel) the master alarm circuit is activated. COUNT TIME: Adjustable from 1 - 60 seconds READY: (green LED) Indicates the instrument is ready for use COUNTING: (green LED) Indicates that a count is in process INCOMPLETE: (amber LED) Indicates the user has stepped off the portal before the count is complete UPDATING: (amber LED) Indicates the system is updating the background (adjustable from 0 - 99 minutes) FORCE BACKGROUND UPDATE: Adjustable from 0 - 99 minutes BACKGROUND COUNT TIME: Can be set at any point from 0 - 99 seconds POWER: 95 - 135 VAC (178 - 240 VAC available), 50 - 60 Hz single phase (less than 100 mA) or 6 each "D" cell batteries CONSTRUCTION: Aluminum housing with beige polyurethane enamel paint TEMPERATURE RANGE: -4° F(-20° C) to 122° F(50° C) May be certified for operation from -40° F(-40° C) to 150° F(65° C) SIZE: 80"(203.3cm)H X 41"(104cm)W X 20.5"(52.1cm)D PORTAL DIMENSIONS: 76.5"(194.3cm)H X 32"(81.3cm)W WEIGHT: 65 lbs (29.5kg) SHIPPING SIZE: 59"(149.9cm)H X 37"(93.9cm)W X 34"(86.4cm)D SHIPPING WEIGHT: 93 lbs (42.3kg)

Replacement Parts Pancake G-M Tube

Ordering Info. Manual

*Return to ludlums.com* Copyright © 2000 Ludlum Measurements, Inc. For comments or suggestions please contact webmaster at: email Mick Truitt Page last updated: December 2000