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Darkfield Quebec Colony Counter

These Darkfield Quebec Colony Counters provide even, glare-free illumination that, contrast against the darkfield background, the bacteria colonies are bright and readily distinguishable from other structures in the agar. A highly polished annular reflector spreads light from a 40W bulb uniformly over the entire culture plate.

An adjustable dish holder accommodates round dishes with diameters as small as 100mm, and square dishes as small as 100 x 100mm. Each unit includes a white-ruled Wolffheugel counting plate and an adjustable-rod magnification lens that rotates 360° for ready access to culture plates.

Choose from manual or digital models. The digital electronic register model counter (3045-03) is operated by a needle-point probe with magnetic ground. When ground and counting probes are both touching conductive agar in dish or plate, an electrical circuit is completed through the integral amplifier, thus activating the digital counter. Each probing action into the colony completes a circuit and is automatically recorded. It includes a convenient, built-in LCD display (0 to 99,999) that records and displays the number of counted colonies.

Both models include a built-in tilt stand, mounted in front or rear, that allows the counter to tilt for easier viewing. It can also be locked flat to the instrument base.

Key Features

  • Glare-free illumination sharply outlines colonies
  • Choose manual or convenient digital with LCD display of counted colonies
  • One-Year Warranty

Specifications for Darkfield Quebec® Colony Counters
Magnifier1.5X, 4.8" (121.9 mm) diameter
Illumination40 W
Power115 V, 50Hz; 40W
Dimensions (W x H x D)10 x 11.5 x 10.5"
Weight12 lb. (5 kg)

Filter
Item Product Description Unit of Measure Price Purchase
3045-10
23612-006
Replacement Wolffhuegel Grid Each
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3045-00
13332500
Manual Darkfield Colony Counter Each
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3045-03
13332700
Automatic Darkfield Colony Counter Each
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