OKM Black Hawk

Black Hawk

Type Of Detector

The Black Hawk is an extremely efficient metal detector which utilizes a higher power scheme to search deeper in many different types of soils. Having accessed the latest in pulse induction detector technology, our engineers have been able to increase the size of the detection field (SDF), enabling the unit to see deeper. Using an automatic varying Eddy current allows the Black Hawk to delay the next pulse which makes the transmission coil also the receiver coil. This additional delay allows the usage of larger search coils like our 150 x 150 cm (5' x 5') for extremely deep objects or our 16 cm for the very small gold nuggets.

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General description

The new Black Hawk pulse induction metal detector from OKM enables the user to locate precious metals with extreme ease as deep as a metal detector can go. This gold detector was built with the treasure hunter in mind! It has been simplified to work at full efficiency within minutes out of the box. You don't need months of practice to become proficient with the Black Hawk. Know if the metal is a ferrous or non-ferrous. Ground balancing this detector is done very quickly with half of the process automated for you.

Black Hawk pulse induction metal detector

This high powered metal detector can find single nuggets down to over 45 cm (18") deep and larger gold and silver objects like a treasure chest to depths well in excess of 8 m (26')! This is all done by creating a high energy eddy current which allows this detector to search deeper than the competition! Another advantage is that this pulse induction metal detector can be used in nearly all terrains and does not respond to typical iron mineralization or black sand.

The Black Hawk metal detector comes with the following features and advantages:

  • lightning fast 600 MHz processor
  • with advanced combined technology of Pulse Induction mono coil and SCMI sensor we have increased depth and metal discrimination
  • the optional 150 x 150 cm deep search coil allows for detection up to 8 m of buried metal objects and treasures
  • find very small targets like nuggets, coins or jewelry with the optional 16 cm search coil
  • advanced programming have made this unit very easy to operate
  • various settings to optimize the detector performance to your local soil (Threshold, Delay, Interference, Sensitivity)
  • external powerful battery pack (Power Pack) for operating times up to 6 hours
  • optional 12 V car charger to charge while on the go

Individual settings for signal delay and interference optimize your results and adjust the metal detectors peak performance for your local soil. The Black Hawk can be used in different terrains such as desert, beach, clay, rocky soils, highly mineralized soils, mountainous areas, outback, bush land and scrub soils.

With a powerful 600 MHz processor, this unit is well equipped for treasure hunters and prospectors to quickly find metallic objects like

  • Gold Nuggets
  • Gold and Silver Jewelry (rings, coins, necklaces, bracelets, ...)
  • Buried Treasures
  • Battlefield artifacts
  • Naturally occurring gold, silver and other precious ores

Optional Accessories

The Standard or Basic Kit of the Black Hawk metal detector includes the 36 cm Search Coil only. But sometimes a smaller or bigger search coil could be of help. So we designed two additional search coils which can be purchased individually or as part of the Complete Kit.

Black Hawk metal detector

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Black Hawk metal detector localizes golden ring

golden ring

One of our customers found this small golden ring with a blue gemstone. He detected this treasure with the OKM metal detector Black Hawk at a depth of 30 cm. Its value and other details are unknown.

Black Hawk metal detector finds a hoard of ancient coins

ancient coins

Wars of past centuries have left our forefathers no other choice as to bury their valuables like gold, silver, jewelery and other objects of great value, to hide them from enemies. Several weeks ago a treasure hunter in Turkey found some of those buried artifacts with the OKM pulse induction metal detector Black Hawk. His treasure trove contains several coins and ancient figures which were hidden in 0,5 meters depth.

The iconography of some of the coins is still in good condition and shows the portrait of the former rulers with laurel wreath and aureole. The characteristics are an evidence of the time of the Roman Empire (27 B.C. - 476 A.D.) which extended from the past Roman nation above all Mediterranean provinces.


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Technical specfication

The following technical indications are medial values. During operation small variations are quite possible.

Operating temperature -5 °C - +70 °C
Storage temperature -20 °C - +60 °C
Air humidity 5 % - 75 %
Waterproof No
Dimensions (H x W x D) 8 x 160 x 210 mm
Weight about 1kg
Voltage 12 VDC ±5%, 6 W maximal
Safety class IP40
Processor OMAP 3530, 600 MHz, Power VR
Display 110 mm Diagonal, 400 MCD, 480 x 272 Pixel TFT, Color
Feedback audible, visual
Operating time about 6 hours
Technology SVT(Single Voltage)
Sensor technology SCMI-15-D
Search Coil Mono Coil, 110 Hz ±15% High Voltage Pulse Induction
Transmission Pulse Induction
PPS Rate 110
Search System Motion / Non-Motion
Ground Balance Manual / User
Calibration 0-100
Metal Discrimination Ferrous / Non-Ferrous


Description Basic Kit Complete Kit
36 cm (14") Search Coil
Carrying strap
Control unit
Power Pack incl. charger and travel adapter
Shipping carton
Telescopic rod assembly
User's manual
Wireless headphones incl. batteries
150 x 150 cm (5' x 5') Search Coil incl. carrying straps
16 cm (6") Search Coil

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