Ludlum Measurements 500-1 provides functions necessary for use in calibrating Ludlum instruments, as well as many other scaler/ratemeter instruments. The adjustable output pulse rate is displayed on a three-digit LED readout, and can be set by using potentiometers and a multiplier switch to provide rates from 10 to 9.9 x 106 counts per minute (cpm). Pulse amplitude is controlled by a multiplier switch and a LO/HI potentiometer, and can be varied between 0 and ±5 volts, displayed on an analog meter. High voltage of the instrument under test is displayed on a four-digit LED display.
Ludlum Measurements 500-1 provides functions necessary for use in calibrating Ludlum instruments, as well as many other scaler/ratemeter instruments. The adjustable output pulse rate is displayed on a three-digit LED readout, and can be set by using potentiometers and a multiplier switch to provide rates from 10 to 9.9 x 106 counts per minute (cpm). Pulse amplitude is controlled by a multiplier switch and a LO/HI potentiometer, and can be varied between 0 and ±5 volts, displayed on an analog meter. High voltage of the instrument under test is displayed on a four-digit LED display.
Ludlum Measurements 500-1 provides functions necessary for use in calibrating Ludlum instruments, as well as many other scaler/ratemeter instruments. The adjustable output pulse rate is displayed on a three-digit LED readout, and can be set by using potentiometers and a multiplier switch to provide rates from 10 to 9.9 x 106 counts per minute (cpm). Pulse amplitude is controlled by a multiplier switch and a LO/HI potentiometer, and can be varied between 0 and ±5 volts, displayed on an analog meter. High voltage of the instrument under test is displayed on a four-digit LED display.
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