The DP-66 is another piece of Cold War history, from the other side of the Iron Curtain and one of the Warsaw Pact's closest equivalents of the CDV-700, but with a lot more features. We now have a very small number of units but this time they’re bare-bones outfits, without the storage case and accessories, but we’ve sweetened the deal with a new low price and one of our specially designed speaker modules and adaptor plugs.  
The DP-66 is a Polish made upgrade of the classic Russian DP-5V, but it uses more up to date (and reliable) components and unlike that old Soviet jobby, it is powered by two readily obtainable 1.5 volt 'D' cells torch batteries that can keep it running for 60 hours or more.
However, what makes this instrument so special is the fact that it has three Geiger tubes inside the hand-held probe. These are sensitive to a very wide range of Beta, Gamma and X-Ray radiation. Measurements are shown in counts per minute (0 - 10,000 cpm) Roentgens/milli Roentgens per hour (0.5 mR/h - 200R/hr) in 6 selectable ranges. The probes have a 3-mode rotating shield, for discriminating between Beta and Gamma, or high/low range Beta and Gamma. The DP-66 also has a built-in charger for DKP-50 quartz fibre pen dosimeter (not included).

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The large moving coil meter has a luminous dial, it's backlit too, handy for a spot of night time detection. We've developed a 3.5mm jack adaptor, so it can be connected to ordinary headphones.
Although the control labelling and original manual and logbook are in Polish it's is incredibly easy to use. The main selector switch has 8 positions, for power off ('W'), battery check ('K'); the other 6 positions select the operating range. The only other controls are two buttons -- for turning on the meter backlight and zeroing the meter - and a small knob for zeroing the pen dosimeter when it is inserted into the charging socket on the top panel. Don’t worry, there is a English translation of the manual on the web which you can download here.
The DP-66s we have are now well over 40 years old but most of that time was spent in long-term storage, but inevitably they show some signs of use. Obviously they are in full working order and the overall condition is generally very good. Before shipping they are thoroughly checked, cleaned and where necessary refurbished.
Specs At A Glance:
  • Detection elements: 3 x Geiger Müller tubes (STS-5, DOB-50 & DOB-80, Beta, Gamma & X-Ray sensitive)
  • Detection Range: 0 - 10,000cpm/ 0.5 mR/h - 200R/hr
  • Dosimeter: Gamma sensitive DKP-50 pen type with quartz fibre indicator
  • Probe features: Rotating shield (two types: Beta/Gamma and high/low Beta & Gamma) & detachable handle
  • Display device: Analogue moving coil meter with backlight and luminous dial
  • Included accessories: custom 3.5mm jack adaptor. Optional extras: leather carry case and speaker module with LED flasher
  • Power requirements: 2 x 1.5v D cells
  • Dimensions Main Unit: 173 x 115 x 100mm
  • Dimensions Probe: 290 x 49mm (max)
  • Dimensions Case: 360 x 245 x 160mm
  • Weight 2.1kg (main unit & probe)

Important note: whilst the DP-66 is sensitive enough to detect normal background and elevated levels of radioactivity, is not being sold as a serious scientific instrument nor is it intended for use in safety critical or health related applications. 

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DP-66 Vintage Cold War Geiger Counter & Mini Speaker

  • Product Code: DP-66
  • Availability: In Stock
  • £64.99