Ludlum Measurements 195271, Manual

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MODEL 2000 Technical Manual
Section 1
Ludlum Measurements, Inc. Page 1-1 November 2020
Introduction
he Ludlum Model 2000 Scaler is a self-contained counting instrument
designed for operation with scintillation, proportional, or GM (Geiger-
Mueller) detectors. Counting is displayed as a scaler count on an LED
(light-emitting diode) display. The instrument may be powered by 95-
250 VAC, 50-60 Hz or by four “D” cell batteries. The unit is complete with a
voltage-sensitive preamplifier, linear amplifier, electronic timer, and detector
high-voltage power supply.
An RS-232 serial port is provided for attachment to a computer or optional
printer. Computer interface cable and software are provided to start, stop, and
record counts.
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