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EPOCH 4PLUS
PEAK MEMORY Simultaneous display of live A-Scan at 60 Hz
update rate and peak envelope of A-Scan.
PEAK HOLD Freezes Peak Memory echo envelope for
waveform comparison with live A-Scan.
SCREEN FREEZE Freezes and holds waveform and soundpath
display. Gates and thickness can be adjusted after
the display is frozen.
PULSER TYPE Negative spike excitation on a tunable square
wave.
PULSE ENERGY Selectable: Low, Medium, High, or Max.
DAMPING Selectable settings of 50, 63, 150, or 400 ohms.
RECTIFICATION Full wave, half wave positive or negative, and
unrectified RF settings.
ANALOG BANDWIDTH Broadband, 25 MHz at –3 dB.
FILTER Broadband, Narrowband, or Custom Selectable
Low and High Pass filters.
TEST MODES Pulse Echo, Dual, or Through-Transmission.
ALARMS Selectable threshold positive/negative or
Minimum Depth modes.
MEMORY Storage of up to 6,000 waveforms or 120,000
thickness readings.
IDENTIFIERS 8 character alphanumeric file names with 3 digit
file extension and 16 character alphanumeric
location codes. Memo mode allows entry of
comments. Edit feature allows delete, insert, and
clear capabilities.
OPERATING TEMPERATURE 0
o
C to 50
o
C (0
o
F to 122
o
F).
STORAGE TEMPERATURE 0
o
C to 50
o
C (0
o
F to 122
o
F) with battery.
POWER REQUIREMENTS AC Mains; 100-120 VAC, 200-240 VAC, 50-60
Hz.
BATTERY Internal rechargeable NiMH battery pack rated at
12 V at 4000 mAH or optional disposable
Alkaline “AA” (10) cells.
BATTERY OPERATING TIME 6 hours nominal.
BATTERY RECHARGE TIME 3 hours typical.
BATTERY STATUS Continuously displayed, low battery warning
display when battery life falls below a half hour.
TRANSDUCER CABLE
CONNECTORS BNC or Number 1 Lemo.
KEYPAD English or international symbols.
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