Ludlum Measurements Inc.

Any questions? Or would you like to order a product from our partner? Contact us directly.

Ludlum Measurements Inc.

Ludlum Measurements, Inc. is a trusted global provider of radiation detection and monitoring instruments, offering rugged, accurate solutions for personnel safety, environmental protection, and security screening. Since 1962, their equipment has been used worldwide in applications ranging from nuclear power and emergency response to border protection and critical infrastructure monitoring.

View all products from Ludlum Measurements Inc.

Partner website

As threats involving radiological materials grow more complex, reliable detection is essential. Ludlum’s broad product portfolio—featuring portable survey meters, area monitors, contamination detectors, and radiation portal monitors—delivers dependable performance in high-stakes environments. Designed for ease of use and built to withstand the toughest field conditions, these instruments help professionals detect, measure, and respond to radiation hazards with confidence.

Whether supporting homeland security, decontamination operations, or facility monitoring, Ludlum’s solutions are field-proven and trusted by agencies and organizations around the world.

Protect people, property, and national interests with industry-leading radiation detection technology from Ludlum Measurements!

Person operating the model 26 frisker with Geiger Mueller Pancake from Ludlum

Products

Download digital partner PDF catalog Download printable partner PDF catalog

Model 375 Area Monitor Controller

Model 375 Area Monitor Controller

Model 375/1 Digital Area Monitor

Model 375/2 Digital Area Monitor Ludlum

Model 375/2 Digital Area Monitor – Ludlum

Model 375/4 Gamma Area Monitor Ludlum

Model 375/4 Gamma Area Monitor – Ludlum

Model 375-10 Digital Area Monitor Ludlum

Model 375-10 Digital Area Monitor – Ludlum

Model 375-9 Digital Area Monitor Ludlum

Model 375-9 Digital Area Monitor – Ludlum

Model 375-Dual Digital Area Monitor

Model 375-Dual Digital Area Monitor – Ludlum

Model 375-20 Monitoring System

Model 3276 – Area Monitor Controller

Model 3277/1 Alpha-Beta Frisker

Model 375P-1000

Model 375P-2000

Model 375P-336 Series

Model 240 Series Alpha-Beta Floor and Wall Monitor

Model 3002/FM Series Alpha-Beta Floor Monitor

Model 239-1F Series Alpha-Beta Floor Contamination Monitor

Model 375P-336 Surface Contamination Monitor Ludlum

Model 375P-336 Surface Contamination Monitor – Ludlum

Handheld Monitors

Model 26 – Frisker with Geiger Mueller Pancake

Model 26-1 Frisker with integrated GM Pancake – Ludlum

Model 26-3 – High Range Frisker

Model 26S – Integrated Scintillator Frisker

Model 3000 Digital Survey Meter Ludlum

Model 3000 Digital Survey Meter – Ludlum

Model 3001 Multi-Detector Survey Meter Ludlum

Model 3001 Multi-Detector Survey Meter – Ludlum

Model 3002 Alpha-Beta Digital Survey Meter

Model 3003 Series Multi-Detector Ratemeter / SCA

Model 3014 Dual-Detector Digital Survey Meter / SCA

Model 9DP Pressurized Ion Chamber

Model 9DP-1 Pressurized Ion Chamber

Model 9DP* Ambient Dose Ion Chamber

Model 9DP-1* Ambient Dose Ion Chamber

Model 3-IS-1 Intrinsically Safe Gamma Ratemeter

Model 3-IS Intrinsically Safe Survey Meter

Model 12-4 Neutron Dose Survey Meter

Model 30-4 Digital Neutron Survey Meter

Model 12-4-7 Neutron Dose Survey Meter

Model 3007 Series Neutron Dose Survey Meter With Optional Internal Gamma Detector

Model 30-7 Series Lightweight Digital Neutron Survey Meter

Model 12 General Purpose Survey Meter

Model 14C General Purpose Survey Meter

Model 16 General Purpose Survey Meter

Model 18 General Purpose Survey Meter

Model 3 General Purpose Survey Meter

Model 3A General Purpose Survey Meter with Alarm

Model 3-97 Gamma Survey Meter

Model 195 with Model 43-132 High Range Alpha Ion Chamber

Model 3-98 125I & Alpha-Beta-Gamma Survey Meter

Model 194 Dose Equivalent Rate Meter

Model 2403 Pocket-Size Survey Meter

Model 2402 Pocket-Size Survey Meter with Alarm

Model 35 Vehicle-Mounted Digital Survey Meter

Model 30 Digital Survey Meter – Ludlum

Model 44-9 Pancake GM Detector – Ludlum

Model 3001-MERK response kit

Model 3001-2RK Emergency Response & NORM Kit

Model 2241-3RK2 Emergency Response Kit

Model 26-2 – Integrated Frisker with Timed Frisk

Model 3019 Digital Background Survey Meter Ludlum

Model 3019 Digital Background Survey Meter – Ludlum

Model 133-6 GM Detector Ludlum

Model 133-6 GM Detector – Ludlum

Model 133-4 GM Detector Ludlum

Model 133-4 GM Detector – Ludlum

Model 133-2 GM Detector

Model 133-2 GM Detector – Ludlum

Model 44-3 NAL Low Energy Gamma Scintillator Ludlum

Model 44-3 NAL Low Energy Gamma Scintillator – Ludlum

Model 44-2 NAL Gamma Scintillator

Model 44-2 NAL Gamma Scintillator – Ludlum

Model 44-1 Beta Scintillator Ludlum

Model 44-1 Beta Scintillator – Ludlum

Model 44-38 Energy Compensated GM Detector Ludlum

Model 44-38 Energy Compensated GM Detector – Ludlum

Model 44-9 Ambient Dose Equivalent Filter Ludlum

Model 44-9 Ambient Dose Equivalent Filter – Ludlum

Model 44-9 Exposure Filter Kit

Model 44-9 Exposure Filter Kit – Ludlum

Model 44-7 Alpha Beta Gamma Detector Ludlum

Model 44-7 Alpha Beta Gamma Detector – Ludlum

Model 43-92 Alpha Scintillator Ludlum

Model 43-92 Alpha Scintillator – Ludlum

Model 43-65 Alpha Scintillator Ludlum

Model 43-65 Alpha Scintillator – Ludlum

Model 43-5 Alpha Scintillator Ludlum

Model 43-5 Alpha Scintillator – Ludlum

Model 9DP* Ambient Dose Ion Chamber Survey Meter Ludlum

Model 9DP Ambient Dose Ion Chamber Survey Meter – Ludlum

Model 9DP-1 Ion Chamber Survey Meter Ludlum

Model 9DP-1 Ion Chamber Survey Meter – Ludlum

Personal Electronic Dosimeters

Model 23-1 Electronic Personal Dosimeter Ludlum

Model 23-1 Electronic Personal Dosimeter – Ludlum

Environmental Monitoring

Model 3101 Portable Tritium in Air Monitor

Model 334AB-G Alpha-Beta Particulate Monitor

Model 334A Alpha Air Monitor

Model 3100 Portable Tritium in Air Monitor

Laboratory Equipment

Model 3030E Alpha-Beta Scaler

Model 2000 General Purpose Scaler

Model 2100-1 Sample Counter

Model 2200 Scaler-Ratemeter

Model 2100 Conveyorized Sample Counter

Model 3030E with 43-10-1 Alpha-Beta Sample Counter

Model 3030-2 Simultaneous Alpha-Beta Sample Counter

Model 3030 Alpha-Beta Sample Counter

Model 3030P Alpha-Beta Sample Counter

Ludlum probes

Probes (Ludlum)

Model 215 Alpha Frisker Station

Model 177HFM Low Cost Hand & Foot Monitor

Model HFC-8 Hand, Foot, and Clothing Monitor

Model 4906P Alpha-Beta-Gamma Hand & Foot Monitor

Model 4906AB Alpha-Beta Hand & Foot Monitor

Model 4906A Alpha Hand & Foot Monitor

Model 4901P Beta-Gamma Hand & Foot Monitor

Model 3276HFM Low Cost Hand & Foot Monitor

Model 3277HFM Compact Alpha-Beta Hand & Foot Monitor

Model 53 Gamma Portal Monitor

Model 52-1, 52-5 & 52-6 Series Portable Portal Monitors

Model 52 Portable Portal Monitor

Model HBP-22 Body Contamination Monitor

Model HBP-29 Body Contamination Monitor

Model 375P-1000 Outdoor Radiation Contamination Monitor – Ludlum

Portal Monitors

Model 4525 Series Radiation Portal Monitor

Model 4525-5000 Radiation Portal Monitor Ludlum

Model 4525-5000 Radiation Portal Monitor – Ludlum

Model 4525-7000 Radiation Portal Monitor – Ludlum

Model 4530 Series Radiation Portal Monitor

Model 375P-3500 Conveyor Monitor Ludlum

Model 375P-3500 Conveyor Monitor – Ludlum

Model 52-8 Series Outdoor Portal Monitor

Waste & Recycling Management

HLM-6GP Laundry Monitor

Model 375-600 Digital Area Monitor for Small Areas

Model 2100-1 Sample Counter

Model 329-32 Laundry Contamination Monitor

Model 2100 Conveyorized Sample Counter

Model 375P-3500 Conveyor Monitor

Model 375P-1000 Outdoor Monitoring System

Model 375P-2000 Outdoor Monitoring System

HLM-22, HLM-3G Laundry Monitor

Any questions? Or would you like to order a product from our partner? Contact us directly.