GE MFE DMS 2 Operating Manual page 184

A-scan Rectification:
Display Contrast:
Power Supply:
Battery Life (operating time):
Gain:
Display Range:
Gates A & B:
Receiver Bandwidth:
Auto or Manual Shut-off:
Data Recorder Capacity:
Memory Retention:
Store/Recall A-scans:
DMS 2 Operating Manual
Selectable 1/2 wave negative, 1/2 wave positive, full-wave, RF
Adjustable via keypad in display setup menu
4 each 1.5 V, Duracell Procell, 2.45 Amp hour, AA alkaline
(Standard AA Nicad rechargeable batteries can be substituted)
40 hours operation with backlight off, 4 Hz update, B-scan and MIN CAP off
Adjustable in 1 dB steps
.115 to 25.00 inches (2.9 to 635 mm) in steel; coarse range selection is automatically
set based on thickness calibration standard
Two adjustable gates, A and B, to select proper echo(es) and measurement area &
ignore unwanted signals; adjustable gates A and B threshold
500 kHz to 15 MHz
Selectable manual, or 1 to 15 minute (5 minute default) automatic
Up to 150,000 thickness readings or 1100 A-scan or B-scan images with thickness
readings & full instrument parameters;
expandable to up to 318,000 thickness readings or 2,400 A-scan or B-scan images
with thickness readings & full instrument parameters
5 years
Recall A-scans for viewing, printing, re-setting instrument, or deleting
7. Specifications
Page 173