LUDLUM 26-1 User Manual

Model 26-1 Frisker User’s Manual Section 2
Ludlum Measurements, Inc. Page 2-3 April 2017
Instrument Operational Test
Turn the instrument ON by pressing the ON/ACK button for about a
second, and then releasing.
The instrument should activate all the LCD segments and the audio.
Observe the device during this time. If any LCD segments are missing, or
audio fails to work, the device is in need of repair. Please refer to Figure 1
below.
Figure 1: Startup display for Model 26-1, with all LCD segments shown.
The instrument then displays the firmware version number and activates the
Alarm LED briefly. Should the Alarm LED fail to turn on, the device is in
need of repair. Please refer to Figure 2 below.
Figure 2: Firmware version display and Alarm LED check shown.
The instrument will then move to normal operation, displaying the current
rate for the Primary units (default: cpm).
The user may select the Secondary units (default: mR/hr) by pressing the
Units button.

LUDLUM 26-1 Specifications

General

Brand	LUDLUM
Model	26-1
Category	Measuring Instruments
Language	English