4.6.1 Dose rate alarm thresholds
The value range of Dose rate thresholds I and II correspond to the instrument
dose rate measurement range (10 µR/h - 999 R/h).
The following threshold values are manufacturer preset:
First dose rate threshold - 5,000 µR/h.
Alarms - the instrument produces a light (red LED), audio and/or vibration
signals and LCD is activated. The signals are single, of the same tone, constant and
periodic with the same interval and duration of 1 s.
Analogue scale —filling the first five segments up to “∆” segment represents the
preset threshold value.
For example:
Second dose rate threshold - 999 R/h.
Alarms - the instrument produces a light (red LED), audio and/or vibration
signals and LCD is activated. The signals are of the same tone, alternating single and
double ones with a constant 1 second interval between them.
Analogue scale - filling the scale up to “∇” segment represents the preset
threshold value. If the radiation background rises, the scale can be filled to the end.
For example:
4.6.2 Dose alarm threshold
The value range of the Dose threshold corresponds to the instrument dose
indication range (10 µR – 999 R).
The manufacturer preset dose threshold is 999 R.
Alarms — the instrument produces a light (red LED), audio and/or vibration
signals and LCD is activated. Exceeding this threshold produces triple signals of the
same tone, constant and periodic with the same interval and duration of 1 c.
Analogue scale — filling the scale to the end. The preset threshold value
corresponds to the last segment of the scale.
For example:
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