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Digital Colony Counter — Automatic 3-Digit LED (Model 043g) / 6-Digit LED (043-G), 1.7× Magnifier, 110-230V
Digital Colony Counter — Automatic 3-Digit LED (Model 043g) / 6-Digit LED (043-G), 1.7× Magnifier, 110-230V
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Automatic digital colony counter for microbiology plate enumeration — food safety, water quality, pharmaceutical microbial limit testing, and clinical microbiology. Each touch of the marking pen on the Petri dish increments the digital counter by 1 while the LED display shows the cumulative colony count. Illuminated counting plate with standard graticule ensures clearly differentiated + sharply defined colonies. 1.7× magnifier lens for small colony visibility. Available in 3-digit LED (Model 043g, $249, 999 max count) or 6-digit LED (Model 043-G, $299, 999,999 max count). 110-230V universal input. Reichert Wolffhügel / Sartorius / Bibby Sterilin alternative at ~30% of premium OEM pricing.
Variant selection
| Variant | Display | Max Count | Price |
|---|---|---|---|
| Model 043g | 3-digit LED | 999 colonies per plate | $249 (220V) / $299 (110V) |
| Model 043-G | 6-digit LED | 999,999 (multi-plate + subtotal) | Contact for pricing (upgrade) |
Specifications
| Display | 3-digit LED (043g) or 6-digit LED (043-G), 999 max count per digit position |
|---|---|
| Dish size | 110 mm standard Petri dish (fits 100 mm + 90 mm dishes) |
| Magnification | 1.7× magnifier lens for small colony visibility |
| Counting mechanism | Marking pen with pressure trigger — each touch increments count by 1 |
| Illumination | Illuminated counting plate with standard graticule (differential colony visibility) |
| Dimensions | 274 × 320 × 167 mm (L × B × H) |
| Weight | ~3 kg |
| Packaging | 23 × 28 × 20 cm shipping box |
| Power | 110V-230V AC (auto-sensing), 50 Hz, 40W |
| Included accessories | Marking pen × 1 · Magnifier lens × 1 · User manual |
| Warranty | 1-year parts + labor |
Applications
- Food + beverage microbiology QC — total viable count, coliform enumeration, yeast/mold counts
- Water quality testing — EPA membrane filtration + spread plate methods
- Pharmaceutical microbial limit testing — USP <61> + USP <62> total aerobic microbial count (TAMC) + total combined yeasts and molds count (TYMC)
- Clinical microbiology — urine culture colony counts, blood culture confirmation
- Dairy microbiology — total plate count for milk + dairy products
- Meat + poultry microbiology — USDA-FSIS microbial testing
- Cosmetic + personal care QC — microbial contamination testing per ISO 21148
- Environmental microbiology — indoor air quality + surface sampling
- University teaching — undergraduate microbiology labs
Best for
- Food safety + beverage QC labs
- Water treatment + environmental testing labs
- Pharmaceutical microbiology labs
- Clinical + hospital microbiology
- Dairy + meat processing QC
- Cosmetic manufacturer QC
- University microbiology + biotech teaching
- International QC labs via DDP
Buying for a QC lab, university, or FDA-regulated facility?
- Volume pricing on 3+ orders
- Net-30 invoicing for verified accounts
- SAM.gov / GSA compliant — FDA + USDA + EPA lab procurement
- Replacement marking pen ($15), magnifier ($60) stocked
- International DDP shipping — global food safety + water quality markets
FAQ
How does this compare to Reichert Wolffhügel / Sartorius counters?
Feature parity on essentials — illuminated counting plate, magnifier, digital increment counter, standard Petri dish support. Sartorius has motorized zoom + camera-assisted counting on premium models. Price differential: $249-$299 vs $800-$2,500 for premium OEMs. For 90%+ of colony counting workflow, our unit delivers full utility at 25-35% of OEM pricing.
What's the difference between 043g and 043-G?
043g has 3-digit LED (999 max per plate — fine for typical plates with 30-300 CFU). 043-G has 6-digit LED for multi-plate cumulative totals or very high-count plates. For most standard microbiology (typical plate counts 30-300 CFU per plate), 3-digit is adequate.
Do I need to calibrate?
No calibration required for the counting mechanism (it's a mechanical increment). The magnifier + illumination are factory-set. For USP + FDA-regulated labs, annual counter verification is standard practice (test with known-count reference plates).
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