Passport Defender hand held metal detector is the worlds most advancedhandheld metal detector. When used properly Passport Defender detects even the smallest objects while constantly andautomatically re-tuning itself, never requiring any adjustments.
Passport Defender operation is completely automatic, using Audio and LED indicators toannounce the presence of a metallic object. Also is has 15 leveldetection indicator signal lights, showing the size of the metallicobjects from green to yellow to red colours, and more detail by numberof lights.
Passport Defender detects all conductive metals including ferrous, non-ferrous and stainless steel.
Passport Defenderoperatesin a very low frequency range and is therefore completely safe for bothoperators and subjects in all scanning operations, even when involvingpregnancies or medical electronic devices such as heart pacemakers.
SPECIFICATIONS:
Circuit: Automatic self-tuning transmitter-receiver that never requires adjustments.
Operating frequency: 95 KHz
Audio frequency: 2000 Hz warble stone.
Voltage: 6.8 to 10 Volt DC
Current: 12mA typical
Battery requirement: 9 Volt standard or Alkaline battery.
Level detection light: 3 sections 15 number indicate light green-yellow-red.
9-Volt rechargeable unit: available (optional)
Length x Width: 420 x 83mm
Weight: 480 grams
Automatic re-tuning and battery check