LUDLUM 26-1 User Manual

Model 26-1 Frisker User’s Manual Section 2
Ludlum Measurements, Inc. Page 2-7 April 2017
RATE Mode Operation
In RATE mode the current count rate will be displayed.
Pressing the UNITS button will switch the displayed value between the
Primary and Secondary Units.
Under a non-alarm condition, the Alarm Status LED will be off; pressing
the ON/ACK button will turn the “click” audio on/off.
If an alarm condition is present, pressing the ON/ACK button will
acknowledge and turn off the continuous tone alarm audio. Under an alarm
condition, the ALARM display indicator will remain on, and the Alarm
Status LED will be flashing. Alarms are non-latching in RATE mode.
If other operational modes are available, pressing the MODE button will
move to the next available operational mode.
Figure 5: RATE mode display showing typical background radiation rate
and the low-battery icon.

LUDLUM 26-1 Specifications

General

Brand	LUDLUM
Model	26-1
Category	Measuring Instruments
Language	English