GE Ultrasonic USM Go Operator's Manual page 167

Appendix C. EN 12668 Specifications
The EN 12668 specifications for the USM Go are listed in Table 2 below.
Paragraph Parameter
8.2 Timebase Stability Against Temperature
Amplitude Stability Against Temperature
9.3.2 Timebase Stability After Warm Up
Amplitude Stability After Warm Up
9.3.3 Timebase Display Jitter
Amplitude Display Jitter
9.3.4 Timebase Stability Against Voltage Variation
Amplitude Stability Against Voltage Variation
8.3.2 Pulse Repetition Frequency Error
8.3.3 Pulser Output Impedance
8.3.4 *Pulser Spectrum
USM Go Operator's Manual
Table 2: EN 12668-1:2000 Specifications
LSL Typ. USL
-1 0 1
-5 0 5
-1 0 1
-2 1 2
-1 0 1
-2 1 2
-1 0 1
-2 0 2
-20 0 20
<50
See Chart
Appendix C. EN 12668 Specifications
Units Test Conditions
%FS/C After 30 minute warm-up
%FS/C After 30 minute warm-up
%FS After 30 minute warm-up
%FS After 30 minute warm-up
%FS After 30 minute warm-up
%FS After 30 minute warm-up
%FS
%FS
% Err
Ohm
149