Menu
  • Home
  • Products
    • Contamination Monitors
    • Clearance Monitors
    • Laundry Monitors
    • Vehicle Monitors
    • Data Sheets
  • Company
    • About Us
    • Ludlum Division
    • ISO 9001 Certificate
    • Quality Policy
    • Impress
    • Privacy Policy
    • Ethics Policies
  • Contact
Ludlum GmBH Transparent

+49 (0)40 2286 139 -0
  • English (United States)
  • Deutsch (Deutschland)
  • Home
  • Products
    • Contamination Monitors
    • Clearance Monitors
    • Laundry Monitors
    • Vehicle Monitors
    • Data Sheets
  • Company
    • About Us
    • Ludlum Division
    • ISO 9001 Certificate
    • Quality Policy
    • Impress
    • Privacy Policy
    • Ethics Policies
  • Contact

Products

  • Contamination Monitors
  • Clearance Monitors
    • HWM-21
    • HWM-38
    • HWM-65
    • HWM-100
    • HWM-180
    • HWM-300
    • HWM-400
    • HWM-400S
    • HWM-550
    • HWM-1800
    • HWM-1800C
  • Laundry Monitors
  • Vehicle Monitors
  • Data Sheets

HWM-65
Small Article Monitor

HWM-65 <br />Small Article Monitor


Features

  • Housing with Pass-Through Design and Optimized to Minimize Radiation Streaming
  • Reduced Dead Zones: > 70% Coverage (Inner Chamber to Detector Size)
  • Intuitive Operating Software That Is Easy to Use
  • Export of Measurement/Parameter Data in XML Format via USB
  • Energy Filter Settings to Optimize Discrimination of Background Radiation from Licensed Materials
  • Integrated Mini-UPS for Measurements During Mains Power Outage
  • Ergonomically Positioned Touch Operated Display
  • Access to Historical Measurement Data via Integrated Database
  • Access to Ludlum GmbH Test Tool Software for Detector Analysis

Compact Free Release Monitor for Reliable Detection of Gamma Emitting Radionuclides on Small Items and Objects

The HWM-65 small article monitor is designed for the measurement and release of items such as waste bags, tools, helmets, and parts and materials from controlled areas. Featuring a two door interlock system, this instrument is ideal as an automated release measuring system.

  • 4 gamma plastic detectors with a 6 detection option for complete 4π coverage
  • 25 mm (1 in.) lead shielding
  • Built-in weigh scale for up to 100 kg (220 lb)
  • Two door interlock system with the option to use one door only
  • Unique stainless steel detector housing design to reduce radiation streaming effects
  • Integrated 7 in. touch-screen display
  • Automated measuring process with user guidance
  • Radionuclide composition suggestions from detector pulse analysis
  • Network capability for remote monitoring and supervision

 

  • Specifications
  • Options
  • Documents
  • Specifications
  • Options
  • Documents

Specifications

Standards The monitor is compliant with the following standards:
CE, CSA / UL or EMC, ISO11929
Detectors Up to 6x gamma plastic detectors
Detection volume: > 71.64 L (2.5 ft3)
Direction connection of each detector to the PC via USB
User Software Intuitive operator software with touch-screen display, automated measurement process with user guidance, indications of results and measurement material position on the display. Radionuclide composition "fingerprint" with energy windows. Web based for remote access.
Electronics Integrated illumination in the chamber, status-LED, interlock-relays with interface to external units
Housing Stainless steel
Sensors 2 door sensors with interlock
Ext. Dimensions
(H x W x D)
1,160 x 694 x 808 mm (45.7 x 27.3 x 31.8 in.), incl. handles
Chamber Volume
(H x W x D)
400 x 400 x 400 mm (15.75 x 15.75 x 15.75 in.)
65 L (2.3 ft3)
Shielding Standard: 25 mm (1 in.) lead
Option: 50 mm (2 in.) lead
Weight Standard: approx. 970 kg (2,140 lb)
With 50 mm (2 in.) lead: 1,520 kg (3,350 lb)
Power Supply External power adapter input: 100 – 240 V, 1.6A max / 24 V, 5A output

Options

A range of additional options are available to enhance the capabilities of the monitor and to customize the instrument to your specific needs. Example options include:

  • Second additional display on the exit side
  • Additional lead shielding (50 mm [2 in.] instead of 25 mm [1 in.])
  • Integration of a camera in the chamber
  • 6 (instead of 4) gamma plastic detectors

Documents

  • Data Sheet

Impressum

Ludlum GmbH
Uwestr. 12
22525 Hamburg
Germany

Phone: +49 (0)40 2286 139 -0
Fax: +49 40 2286 139 10
Email:
https://ludlumgmbh.com
LinkedIn

Commercial Register Hamburg HRB 145218

Managing Directors: Dr. Ingo Kölln, Daan van Bree

VAT No. DE 313221648

Tax No. 45/735/02162

The Person Responsible for the Editorial Content: Dr. Ingo Kölln, Daan van Bree

Registry Court: Hamburg

© 2025 Ludlum Measurements, Inc.

Privacy Policy