Digital Radiation Survey Meter w/internal detector

The DSM-502 Survey meter is designed as the perfect application for general users of radiation measurement and monitoring. It's mid-range internal detector allows for the perfect combination of accuracy, simplicity and functionality for the reliable and consistent measurement of dose.

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Product Specifications

Input Sensitivity0.05V
Display-LCD4-Digit x .75" LCD w/LED Backlight
LCD Refresh Rate0.8 - 3.0 Sec in 0.2 Sec increments - adjustable
Display BacklightPush button, 30 Second auto off
Dose Ranges.01-2,000 mR/hr
CPM Ranges0-999.9 Kcpm
Probe LinearizationInternal adjust for cal constant and dead time
Scaler Ranges0-999.9 Kcpm
Scaler Count Time Ranges10-2550 Seconds (10 second increments)
Alarms5-95% of Range
DiagnosticsLow Battery, Overrange - audible and visual
Range AdjustmentAuto-Ranging All Scales
Electrical Non-Linearity< 5%
Response TimeFast - 10-2550 Seconds (adjustable) | Slow 10-250 seconds (adjustable)
Environmental-20° F[-28° C]-140° F[60° C] | 5-95% RH IPX4 Housing
High VoltageAdjustable 300-1500 VDC|Regulation +-1%
Battery6 "AA" Alkaline-400 hours nominal
CircuitryDigital Microprocessor Controlled
Dimensions5.25" (14cm) H x 4" (10cm) W x 7" (18cm) L
Weight2.5 lbs. (1.2 Kilos)
ConstructionHeavy Duty Cast Aluminum and Stainless Steel
ProbesInternal Energy Compensated GM 0-2 R/hr
Data Output (optional)9 Pin Serial RS-232 - Panel switch manual data extraction
Questions? Call today!
(208) 557-6945

Mailing Address
W. B. Johnson Instruments
3998 Commerce Cir.
Idaho Falls, Idaho 83401

Shipping Address
W. B. Johnson Instruments
3998 Commerce Cir.
Idaho Falls, Idaho 83401