STS Safe Series - Maintenance

Version No. 1.0
Page 35 of 51 User Manual STS Safe Series all Equipment 2023 V1.1
Audible Alarms:
The Dosimeter has 3 audible alarms.
Chirp Dose – The Dosimeter will give one single short beep for each incremental amount of
dose received ie Set at 50nSv will beep at the first 50, then after a further 50 etc.
Rate Alarm – The Dosimeter will give an intermittent alarm beep when the rate alarm
threshold is exceeded. This Alarm will have an audible intermittent sound until acknowledged
by pressing the button.
Dose Alarm – The Dosimeter will give a continuous broken beep when the dose alarm
threshold is exceeded. This Alarm will continue until acknowledged by pressing the
button.
Final Dose Alarm – The Dosimeter will give a continuous beep when the final dose alarm
threshold is exceeded. This Alarm will continue until acknowledged by pressing the
button.
9.3 Maintenance
The Dosi-Safe does not contain any user serviceable parts and as such no repair or
adjustment should be attempted as this will both invalidate the warranty and lead to
potential damage of the circuit.
The batteries are accessed through the panel on the rear of the instrument. The Dosi-Safe
uses 2 alkaline AA cells, professional or long life cells are recommended for best
performance. Batteries should be removed when not in use for prolonged periods and
partially discharged cells should never be mixed with new cells.