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Krautkramer USM 35X Issue 01, 04/2005 1-9

IntroductionThe USM 35X family

Special features

• low weight (2.2 kg including lithium-ion battery) and

compact size

• waterproof instrument case with protection class

IP 66

• long operating time (> 12 hours) by means of lithium-

ion battery with internal and external charging possi-

bility

• handy – equipped with a non-slip, ratcheting prop-up

stand, also used as handle

• rotary knobs for direct adjustment of gain as well as

for changing the currently selected function

• two independant gates for accurate wall thickness

measurements from the workpiece surface up to the

first echo, or between two backwall echoes, including

measurement on coated workpieces with a resolution

of 0.01 mm (up to 100 mm), referred to steel

• magnify gate: spreading of the gate range over the

entire screen width

• 5.7", 1/4 VGA-TFT color display to display the digi-

tized signals (320 × 240 pixels, 115 × 86 mm )

• VGA interface for the connection of an external

monitor

• color display of gates for an easier distinction

• easily recognizable reflection geometry when using

angle-beam probes by the variation of A-scan or

background color at every deflection point

• data memory: 800 data sets, including alphanumeric

description, documentation possibility via a printer

• increased calibration range: up to 9999 mm (steel),

depending on the frequency range

• semiautomatic two point calibration

• pulse repetition frequency variable in ten steps

to avoid phantom echoes when testing large

workpieces

• choice of frequency range for the connected probe

• signal display mode: full-wave rectification, positive

half-wave or negative halv-wave and radio frequency

• display of 4 readings plus 1 reading zoomed in the

A-scan, user-configurable