Fluke Biomedical 190I - Manual (Page 10)

Victoreen 1901
Operators Manual
1-6
1.7 Readout
Measurement results are indicated on the front panel LCD. The display includes an analog bargraph,
scale multiplier, detector range bargraph, and a 16 character alphanumeric display (refer to Figure 1-2).
Each of the 51 elements in the bargraph represents 2% of the scale span. The analog bar graph is
divided into five sections with scale notations of 0, 2, 4, 6, 8, and 10. The scale sections are marked by
longer bars. The bars are arranged in an arc with a radius of 3.75 inches (9.5 cm). Scale length is 2
inches (5 cm).
The 51 element analog bargraph, located near the top of the display, provides real time response. It is
designed to emulate an analog meter movement, making it especially useful in survey applications. The
16 character alphanumeric display at the bottom of the LCD displays units, an average digitized value of
the reading, error messages, integrated value (with elapsed time), operational parameters (e.g., response
time), low battery indication, probe type and serial number, and data logging information.
The scale multiplier, located below the bargraph, relates the display units to the displayed bargraph value.
The detector range bargraph consists of five horizontal bars that indicate the decade of the dynamic
range in cpm of the detector in use. Most detectors will cover a dynamic counting range of five decades.
A few detectors (e.g., those with short dead times) can reach the sixth decade of operation. The sixth
decade is indicated by all five bars being lit.
The bargraph may be disabled using the 190I-1A
Communicator.
In the Alarm condition, the entire display blinks on and off with a period of two seconds.
1.8 Internal Controls
An electrical shock hazard exists between the high
voltage supply and ground.
NOTE
WARNING