W.B. Johnson Radiation Detectors

Nuclear Instrumentation


Enhanced Microprocessor Survey Meters

Includes auto-ranging, scaler function and peak hold

DSM-500 Digtial Microprocessor Survey Meter GSM-500 Four Range Microprocessor Survey Meter CE by W.B. Johnson

GSM-500 Auto-ranging Microprocessor Survey Meter GSM-500 Four Range Microprocessor Survey Meter CE by W.B. Johnson

Enhanced Microprocessor Survey Meter for dual probes

Includes auto-ranging,scaler function and peak hold

DSM-506 Digital Survey Meter with Internal and External probe GSM-506 Survey Meter  with Internal Energy Compensated G-M probe
DSM-525 Digital Survey Meter Scaler for Dual probes GSM-506 Survey Meter  with Internal Energy Compensated G-M probe

GSM-506 Auto-Ranging Survey Meter with Internal and External Probe GSM-506 Survey Meter  with Internal Energy Compensated G-M probe
GSM-525 Survey Meter for Dual Probes
GSM-525 Four Range, Dual-Probe Microprocessor Survey Meter CE by W.B. Johnson

MicroR and MicroRem Survey Meters (Tissue Equivalent)

Includes auto-ranging, scaler function and peak hold

DSM-501 Digital MicroR Survey Meter with internal probeDSM-501 MicroR Meter with internal Plastic Scintillation Probe for gamma and beta survey - CE  by W.B. Johnson
DSM-500-MR Digital MicroR Survey Meter with External ProbeDSM-501 MicroR Meter with internal Plastic Scintillation Probe for gamma and beta survey - CE  by W.B. Johnson

GSM-501 MicroR Survey Meter GSM-501 MicroR Meter with internal Plastic Scintillation Probe for gamma and beta survey - CE  by W.B. Johnson

Geiger Counters

DSM-502 Digital Geiger Counter with internal G-M probe, 0-2000 mR/hr
DSM-503 Digital Geiger Counter with internal G-M probe, 0-10,000 mR/hr
DSM-504 Digital Geiger Counter with internal G-M probe, 0-50 R/hr

GSM-502 Survey Meters with Internal Energy Compensated G-M probe -demo version, (sold)

Telescoping Survey Meters

Model 2000W Telescoping (Extender) Survey Meter

Portal Monitors

AM-801 Portal Monitor AM-801 Portal Monitor Collapsible and portable for Radiation Detection CE by W.B. Johnson

Waste Monitors

AM-806 Waste Monitor AM-806 Radiation Waste / Trash Monitor CE by W.B. Johnson

Scalers/Ratemeters

RML-200 Microprocessor Four-Range Ratemeter RML-200 Microprocessor Four Range Lab Ratemeter by W.B. Johnson

Nuclear Emergency Kits

DSM-525 ERK Nuclear Emergency Kit (two external probes)

DSM-506 ERK Nuclear Emergency Kit (internal high range probe, and two external probes)
DSM-506 ERK Plus Nuclear Emergency Kit (internal high range probe, two external probes and dosimeter)

Nuclear Emergency Kit -1 Inexpensive, comprehensive kit.
ER Series Emergency kits

Probes/Detectors

General Purpose Survey

HP-265 G-M Pancake Probe
PPA-2T Pancake GM

AM-805 Foot Monitor

Sodium Iodide Scintillation Detectors for Gamma

GLE-1 Probe for Low Energy Gamma
GSP-1 NaI Scintillation , 1 inch x 1 inch
GSP-2 NaI Scintillation probe, 2 inch x 2 inch

Gamma Plastic Scintillation - MicroR

MSRP-1 Plastic Scintillation Probe measures in the microR range
MSRP-2 Plastic Scintillation Probe measures in the microR range

G-M Probes

GP-1010 Beta-Gamma G-M Probe with rotating beta window
GP-200 End-Window G-M Probe
GP-1001 Energy Compensated Cylinder G-M probe (0-200 mR/hr)
GP-1002 Energy Compensated Cylinder G-M probe (0-2,000 mR/hr)
GP-1003 Energy Compensated Cylinder G-M probe (0-10,000 mR/hr)

Alpha Scintillation Probes

Model ASP-2A 2" x Alpha Scintillation Detector

Clearance Sale Microprocessor Survey Meters (please call for pricing)

GSM-115 (old stock from blue line) Four Range Survey meter for external probe

GSM-525 (old stock from blue line) Four Range Survey meter for two external probes

GSM-506 (old stock from blue line) Four Range Survey meter with probe with internal probe and requires one external probe (sold separately)

Assorted demo probes are available at reduced cost: HP-265 pancake GM, GLE-1 low energy NaI probe, and GP-1010 G-M probe with rotating beta window.

Area Monitors and Personnel Monitoring

Predator Isotope Identifier

Falcon Area Monitors

Eagle Eye Personal Radiation Detector


Nuclear Instrumentation

Dosimetry Shielding Sources Specials

Hepa Vacuums

Chemical Detection

Marinelli Beakers

Fume Hoods

Accessories

Emergency Response

Nuclear Medicine

Radiation Therapy Search Home

Direct Scientific  /  tel (310) 589 0601 /   Email

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