All-round versatile ultrasonic flaw detectors -small, economic, simply powerful

Data sheet

USM Series

USM 22FUSM 22B USM 22LFunction Unit USM 25 / USM 25 DAC

automatically coupledwith frequency range

Calibration rangemin. mm 0 - 2.5 +10% (steel) 0 - 0.7 +10% (water) 0 - 2.5 +10% (steel)

inch 0 - 0.1 +10% (steel) 0 - 0.025 +10% (water) 0 - 0.1 +10% (steel)max. mm 0 - 1420 +10% (steel) 0 - 9999 dependent on 0 - 355 +10% (water) 0 - 9999 dependent on

frequency range frequency rangeinch 0 -56 +10% (steel) 0 - 390 dependent on 0 - 13.7 +10% (water) 0 - 390 dependent on

frequency range frequency rangeSound velocity m/s 1000 - 15000, variable in steps of 1 m/s and fixed values

inch/ms 40 - 600, variable in steps of 0.1 “/ms and fixed valuesDisplay delay mm -10 - 1024 (steel)

inch -0.3 - 40 (steel)Probe delay µs 0 - 99,99Pulser Spike pulse transmitterCapacity pF 220 (low) / 1000 (high) 220 (low) / 1000 (high)Damping ohms 50 (high) / 500 (low) / 50 (high) / 500 (low) 50 (high) / 125 (low)

1000 with dual mode 1000 with dual mode 1000 with dual modePulse repetition Hz 400 variable in 10 steps: 400 variable in 10 steps:frequency approx.100 - 1000 Hz approx.100 - 1000 Hz

up to 1.5 m / 59“; up to 1.5 m / 59“;approx. 4 - 40Hz above approx. 4 - 40Hz above1.5 m / 59“ 1.5 m / 59“

Frequency range MHz 0.5 - 15 selectable: 0.5 - 15 selectable:(-3 dB, broadband) 0.1 - 1 / 0.5 - 4 / 2 - 10 (-3 dB, broadband) 0.5 - 4 / 0.8 - 8 / 2 - 20

Gain dB 0 - 110Steps dB 0.5 / 1 / 2 / 6 / 12; step 0 = locked

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USM 22FUSM 22B USM 22LFunction Unit USM 25 / USM 25 DAC

Rectification full-wave full-wave, negative or positivehalfwave

Reject % 0 - 80; linearDistance Amplitude - not available - Only with USN 25 DAC: curveCurves (DAC) recording with maximum of 10

references echoes, 3 other curveswith variable dB distance (meetsAPI, JIS etc.)

Monitor gates one independent software gate plus 2nd gate depending on the 1st gate (dual gate)for sound path dif ference measurement

Alarm signal LED LED and switchable hornSound path flank, 1st echo in the Flank, last echo in the Flank or peak, 1st echo in the measurement gate gate gateMeasurement resolution mm 0.01 up to 99.99 display range; 0.1 from 100 to 999.9 display range;

1 above 1000 display rangeinch 0.001 up to 9.999 display range; 0.01 above 10 display range

Amplitude in % screen height in % screen height or dB abovemeasurement gate threshold , dB over DAC

(USM 25 DAC only)

Echo evaluation sound path and amplitude in the A-scan, also in frozen display Soundpath, (reduced) sur facedistance, depth and amplitude,also with frozen A-scan

Display high resolution LCD, 320 x 240 pixels, 96 mm x 72 mm / 3.8“ x 2.8“ (W x H)A-Scan 96 mm x 66 mm / 3.8“ x 2.6“ (W x H), 320 x 220 pixels (Zoom)Zoom off/on A-scan enlarged to full display width, functions are lockedFilled A-scan off/onA-scan freeze off/onUnits of measurement mm, inchData memory 100 data sets 100 data sets with alpha-

numerical description, date,time, contents and preview

Inter face RS 232 bidirectional (9600 baud, 8 bit word length, no parity, 1 stop bit)Printer driver EPSON, HP-DeskJet, HP-LaserJet, Seiko DPULanguages Czech, Croatian, Danish, Dutch, English, Finnish, French, German, Hungarian,

Italian, Por tuguese, Romanian, Russian, Slovenian, Spanish, SwedishPower supply Mains and/or battery operationBattery type 4 C-cells: NiCd, NiMH or AIMnOperating time hours 7.5 (without LCD backlight); 5.5 (with LCD backlight) with NiCds, 3 AhOperating voltage V 8 - 12 DC (with external power supply); 4.2 - 6 (with batteries)Operating temperature °C 0 - 50; -20 - +55 after individual test

°F 32 - 122; -4 - +131 after individual testWeight kg 1.6 including batteries

lb. 3.5 including batteriesDimensions mm³ 46 x 265 x 245 including positioning handle

inch³ 1.8 x 10.4 x 9.6 including positioning handleProtection class IP 54

Krautkramer Branson50 Industrial Park RoadLewistown, PA 17044Tel : (717)242-0327Fax : 717/242-2606E-mail:infolink@krautkramer.com

Krautkramer GmbH & Co.Robert-Bosch-Str 3Postfach Box 1363D-50330 Hurth(Efferen)GermanyTel : +49-2233-6010Fax : +49-2233-601402E-mail:hotline@krautkramer.de

Buehler Krautkramer Ltd.Millburn Hill RoadUniversity of WarwickScience ParkCoventry, England CV4 7HSTel : +44-1203-690069Fax : +44-1203-693032E-mail:buehlerkrautkramer@compuserve.com

Krautkramer France68, Chemin des Ormeaux69760 Limonest FranceTel : +33-472-179220Fax : +33-478-475698

Krautkramer Italiana68, Chemin des Ormeaux69760 Limonest FranceTel verde : 800 790 880 (from Italy)Fax verde : 800 780 881 (from Italy)Tel : +33-472-179238 (outside Italy)Fax : +33-478-475698 (outside Italy)

www.krautkramer.com