Victoreen 190
Operators Manual
1-4
Front Panel Controls
Eight push-button switches: LIGHT (2): either activates the LCD backlight;
MODE: Changes the display units;
LOG: Stores currently displayed data or changes current location identifier, depending on the
currently active logging mode;
RATE/INTEG: Toggles the alphanumeric display between the digitized rate value and the integrate
value;
RESP TIME: Changes the response time on the first range or resets the integrate value and elapsed
time;
AUDIO: Toggles the click output associated with counting events in the detector, turns Audio on/off,
and acknowledges alarm conditions;
ON/OFF: Turns instrument power on/off when permitted by the microprocessor (i.e., when data
logging is inactive or all logged data has been read by a PC).
Internal Controls
Main unit: LCD contrast adjustment and +5 V Power Supply, Probe adapter modules: probe high
voltage, threshold, and detector jam current controls
Environmental Effects
Operating temperature range: 14 F to 140 F (-10 C to 60 C) with alkaline batteries.
Relative humidity range: 0 to 95% non-condensing.
Temperature dependence: Less than 5% of full scale change in the reading when the operating
temperature is in the 20 C to 50 C range.
Batteries
Four 9-volt batteries installed provide up to 200 hours of continuous operation.
Readout
Backlit liquid crystal display includes:
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