URSA-II

ERK-506 Digital Emergency Kit

Summary

The DSM-506 kit utilizes the new WB Johnson Survey/Scaler meter (DSM-506) to measure most alpha, beta, and gamma radiation & contamination fields from background to 2000mR/hr. An internal energy compensated GM detector, pancake & high sensitivity tissue equivalent scintillator are connected to the meter and can have dual (dose or cpm calibrations) that are switch selectable from the front panel. The timed count scaler function makes low level contamination measurements more accurate, once the operator selects the desired probe. Automatic ranging and diagnostics make the system extremely user friendly. All components of the system are contained in a durable carrying case for easy storage and portability. RS-232 data output available.

FEATURES
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Input Sensitivity 0.05V
Dose/CPM Switchable External Dose / CPM Switch
Display-LCD CPM, KCPM, CPS, uR/hr,mR/hr,R/hr,uSv/hr,mSv/hr,Sv/hr
LCD Refresh Rate 0.8 - 3.0 Sec adjustable
Display Backlight toggle switch, 30 Second auto off-Repeat as needed
Scaler Count Time Ranges .10-2550 Seconds (10 second increments)
Probe 1 Ranges (HP-265) 999.9 Kcpm
Probe 1 Ranges (MRSP-1) 0-10 mR/hr
Internal Detector EC GM Detector 0-2,000 mR/hr - 0-999.9 Kcpm
Scaler Ranges 0-999.9 Kcpm
Diagnostics Low Battery, Overrange - Audible and Visual Alarms
Alarms 5-95% of full scale for Dose & CPM
Over Range Alarm Adjustable 10% above max range - dose calibration only
Electrical Linearity < 5%
Response Time Fast - 10-2550 Seconds (adjustable) | Slow 10-250 seconds (adjustable)
Drift <5%
Environmental -20 F[-28 C]-140 F[60 C] | 5-95% RH IPX4 Housing
#1 High Voltage Adjustable 300-1500 VDC|Regulation +-1%
#2 High Voltage Adjustable 300-1500 VDC|Regulation +-1%
Audio (click per event) On--Off switch on front panel
Battery 6 "AA" Alkaline-400 hours nominal
Display 4 digit 0.75" (19mm) tall w/LED backlight
Circuitry Digital Microprocessor Controlled
Dimensions 5.25" (14cm) H x 4" (10cm) W x 7" (18cm) L
Weight 2.5 lbs. (1.2 Kilos) w/Batteries
Construction Heavy Duty Aluminum & Stainless Steel

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