ENA TS 98-9 : ISSUE 1 AMD 1 1987
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
ULTRASONIC FLAW DETECTORS
23-07-2013
12-01-2013
Details the performance criteria and other requirements for portable battery or mains ultrasonic flaw detectors using A-scan display, employed for manual ultrasonic examination with single or twin crystal probes of nominal frequency in the range 1 to 5MHz, but not including probes generating short pulses. Special requirements for equipment incorporated into automated systems, equipment employing B-scan or C-scan display or equipment using non-linear displays or RF-burst transmitter pulses are not included, except that guidance is given concerning RF, rectified and d.c. proportional signal outputs.
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