DMTA-10040-01EN, Rev. E, February 2018
Chapter 5136
Inspection materials are shown in Figure 5-22 on page 136.
Figure 5‑22 Materials—sub‑surface cracks at very low frequency
The following products are used in this procedure:
• Reflection-ring probe with triaxial Fischer/LEMO connector: operating frequency
50 Hz to 3 kHz, 12.7 mm (0.50 in.) ID × 25.4 mm (1.0 in.) OD; P/N: RR110-5/TF
50HZ-3KHZ [U8636011]
• SPO-6687 cable: connects reflection coil configuration probes with triaxial
Fischer/LEMO connector to NORTEC 500, 600, 1000 and 2000 Series instrument
(16-pin LEMO); 1.83 m (6 ft) length; P/N: SPO-6687 [U8800538]
• Sub-surface crack calibration standard; P/N: RSTD-10137 [U8863219]
To set the initial NORTEC 600 configuration
1. Connect the probe and the cable to the PROBE connector on the NORTEC 600.
2. Press the ADV SETUP menu key ( ) once, and then select APPL SELECT
(A key) to open the application selection menu. Select Sub‑Surface with the knob,
then press to accept (see Figure 5-23 on page 137).