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STS Safe Series - Safe EPD; Technical Data

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Version No. 1.0
Page 20 of 51 User Manual STS Safe Series all Equipment 2023 V1.1
8.0 Safe -EPD
8.1 Technical Data
STS Safe-Series Field Survey Instruments
STS Safe-EPD Dosimeter
The STS Safe-EPD simulator is a simulated generic Electronic Personal Dosimeter designed to aid the tuition
of workers in the nuclear industry in safe practices and in understanding the accumulation of dose over time
but without exposure to radiation. The instrument operates using an STS radio frequency detection head
which detects the presence of a simulated radiation field with the resultant reading displayed on the LCD
Display. The instrument will work simultaneously with the Survey-Safe to provide a complete training
experience. Set-able alarm levels, background and chirp rates allow the user to create their own specific
training environment.
Dimensions (mm)
75H
66W
32D
Weight (KG)
0.15KG
Construction
Moulded Plastic Case
Controls
Surface mounted pushbuttons
Suitable for gloved use
Buttons
Side - On/Off
Front Menu Scroll
Pin Hole Setup access
Display Type
Digital
2 Line 16 character
Backlight
Yes
Battery
2 x AAA 1.5V cells
Battery life 10 hrs+
Detector
STS radio frequency Detector
Audio Output
Yes
Alarm and chirp rate
Alarm Thresholds
Yes (1 Rate & 2 Dose Alarm levels)
Set in Admin menu
LED
Red Led
Chirp and alarm response
Functionality
Dose display
Rate Display
Background
Level set in user menu
Operating & Storage
Temperature
Operating temp 0 to +30C
Storage temp 0C to +40C
Warm up time
10 seconds
Available Sources
Safe-MiniSource
Additional Information
The STS Safe-EPD is not designed to be intrinsically safe and therefore should not be used in hazardous
environments. The units are not waterproof and contain delicate and sensitive electronics which may be
caused to fail if exposed to moisture. Units should be stored in a clean and dry environment, batteries
should be removed if storing for more than 4 weeks. Instrument response will be affected by
environmental conditions such as the presence of large reflective surfaces, substantial metal structures
and variable wall thicknesses.