Ludlum Measurements 23, Техническое руководство

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Model 23 & 23-1 Technical Manual
Section 4
Ludlum Measurements, Inc. Page 4-4 August 2017
Alarm
ALM DOSE
ALM RATE When the dose or the dose rate of
gamma rays reaches preset values,
the pre-alarm activates
Five 0.1-second beeps
sound every second.
ALM DOSE
ALM RATE
When the dose or dose rate of
gamma rays reaches preset values,
the regular alarm activates.
1 1-minute beep, then a 1-
second beep and a 1-
second pause. This repeats
for the time previously set.
Red flashes every
two seconds
ALM BATT Activates when battery voltage is
low. Alarm for “ALM BATT”
is prioritized over “ALM
DOSE” or “ALM
RATE.” A 2-minute beep,
then a 2-second beep (3
times)
ALM TIME Activates when the operating time
exceeds the set time. A 1-minute beep, then a 1-
second beep and a 1-
second pause. This repeats
for the time previously set.
Red flashes every
two seconds
ALM E06 Activates when the counting circuit
shorts out due to disconnection or
condensation.
A 1-minute beep, then a 1-
second beep and a 1-
second pause. This repeats
for the time previously set.
Red flashes every
two seconds
Over
(Overflow)
Activates when the accumulative
dose has reached 10 Sv (1000 R) or
when the dose rate is equal to or
greater than 10 Sv/h (1000 R/hr),
the alarm activates.
A 1-minute beep, then a 1-
second beep and a 1-
second pause. This repeats
for the time previously set.
Red flashes every
two seconds
ALM E11 Activates when the measurement
circuit is abnormal. A 2-minute beep, then a 2-
second beep (repeats 3
times)