D.E. Stearns Model M/1 Low Voltage Holiday Detectors

The M/1 is known Worldwide as the best choice for the inspection of thin film coatings (0 to 20 mils). The totally redesigned M/1 now uses six AA batteries and advance circuitry to produce 67.5 volts. With onboard calibration certification, the M/1 can be checked in the field with no other test apparatus needed. An LED lights on the front panel when the unit is in calibration and when a holiday is detected. The M/1 comes complete ready to go to work right out of the box. Headphones may now be used in noisy environments that drown out the normal audio signal.