Made in Germany   Made in Germany   Detection Technologies since 1998

Gold prospecting with Gold Labor Au 79 to determine gold content of placers and minerals

Gold Labor Au 79 is a supportive tool for all gold seekers, prospectors and miners to determine the gold content of placers and minerals as well as soil samples in general. This special OKM gold detector consists of a control unit and measuring cup in which you place a small ground sample. After turning on the detector it guides you through several steps until the final result is available on the screen of the control unit. The result gives you information about the gold content of your soil sample in grams per tonne. The higher this value the more gold is available in the underground soil.

OKM detector Gold Labor Au 79 with measuring cup
Result screen of Gold Labor Au 79
The result screen of the Gold Labor Au 79 tells you about the gold content of your soil sample in grams per tonne. The whole measuring process follows a simple step-by-step guide with easy illustrated instructions.
Placing a soil sample into measuring cup of OKM's Gold Labor
Fill a soil sample into measuring cup
Simply fill a soil sample into the measuring cup of the Gold Labor Au 79, start the measurement and get the gold content of the soil. Repeat this with several samples to know if it is worth to start the gold panning process.

So using this gold detector helps you to find reasonable places for gold panning or even gold mining. During the measurement of the Gold Labor Au 79 the following steps will be processed:

  • Power on your Gold Labor Au 79. If the measuring cup has not been cleaned after a previous measurement, you have to clean it first. Any gold particle that sticks in the measuring cup will distort the gold measurement.

  • Place your soil sample into the measuring cup and remove included ferromagnetic materials (e.g. black sand). Therefor one of the covers for the measuring cup has an embedded magnet to get hold of the magnetic particles that are included in your soil sample.

  • The final step determines the gold content of the sample while shaking the measuring cup several times. The electrolysis-free segmented two-core spiral coil of the measuring cup recognizes the bypassing gold particles and calculates the final gold content.

All steps are visually represented on the color display of the control unit. Thus you will be guided step by step through the whole measuring procedure. The built-in battery lasts for approx. 5 hours which corresponds to approx. 600 measurements. The handling of this gold detector is very easy.

Screen instructions: Remove soil particles
Remove soil particles
This screen tells you to remove any soil particles from the measuring cup before placing a new soil sample into the cup for another gold content measurement.
Display instructions: Remove black sand
Remove Black Sand
This screen tells you to remove the black sand which sticks to the magnetic cover of the measuring cup.
Display instructions: Measuring result
Measuring result
This final screen of a measurement displays the gold content of the used soil sample. The gold content is shown in grams per tonne.

If a reasonable place with enough gold content has been detected, the experienced gold seeker, prospector or miner can get ready for the gold panning process to get the gold out of the ground. Some additional information regarding gold panning you can also read in our blog post about gold panning.


In the following table you can see the complete delivery contents and all optional accessories. The used symbols have the following signification:

x times includedx = x times included
not included = not included
optional available, only for additional charge = optional available, only for additional charge
DescriptionGold Labor
Charger for control unitYes1
Control unitYes1
Measuring CupYes1
Shipping cartonYes1
Travel adapterYes1
User's manualYes1
  Gold Labor Au 79 - Instructions (English)
  Gold Labor Au 79 - Anleitung (Deutsch)

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

Operating temperature
+5 °C – +40 °C
Storage temperature
-20 °C – +60 °C
Air humidity
5 % - 95 %
Waterproof (Main unit / Measuring cup)
No / Yes
Dimensions (Main unit / Measuring cup)
135 x 120 x 55 mm / Ø 65 x 90 mm
Weight (Main unit / Measuring cup)
660 g / 230 g
Voltage (internal battery)
7.2 V DC
Operating time
approx. 5 hours (corresponds to approx. 600 measurements)
Charging time
approx. 3 hours
Display
2.8" TFT, Touchscreen, Colour
Processor
Atmega2560, 8-bit, 16 MHz
Measuring unit
Electrolysis-free segmented two-core spiral-coil

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