Heng Ode latest version of the colony counter
Now with the advancement of technology, the colony counting technology is getting better and better. Mainly reflected in the configuration is getting higher and higher, the function is more and more complete. The counting speed is getting faster and faster, and the accuracy is getting higher and higher. Therefore, the price will rise.
Generally, for users with less precise requirements, manual or semi-automatic colony counters can be considered. Manual price is relatively cheap, the market price is about 800-1200 yuan, slightly better, is semi-automatic with voice reading function, the magnification is above 3, the market price is about 2500 yuan, this has been Can meet the counting requirements of most users. The high-profile automatic counter is used in the microbiology laboratory. The main pixels are 3 million, 9 million and 10 million. A lot of analysis functions have been added to the software, and the price is also between 30,000 and 80,000. The imported colony counters are mainly from three countries, Germany, the United Kingdom and France. For semi-automatic instruments of the same function, the price difference between domestic and imported is about 2-3 times. The fully automatic price is also more than doubled. Demanders should consider their own needs and budget to purchase
Instructions
1. Plug the power plug into a 220 volt power outlet.
2. Insert the pen plug into the jack on the instrument.
3. Turn the power switch to “ONâ€, the light in the counting pool is on, and the digital display should be “000â€, indicating that counting is allowed. If the number is not "000", press the reset key
4. Place the Petri dish to be inspected (the bottom of the dish is facing up) into the counting cell.
5. Count all the colonies one by one on the bottom of the culture dish with a counting pen. Each number should be heard as "beep" to indicate that it is valid, otherwise it should be focused. At this point, the colonies that are clicked are marked with colors, and the displayed numbers are automatically accumulated.
6. Check carefully with a magnifying glass to confirm that the points are not missing, and the counting is completed.
7. The number shown is the number of colonies in the dish.
8. Remove the culture dish after recording the numbers. Press the “0†key to display the recovery “000†and prepare for the counting of another dish.
Precautions
1. The instrument should be placed on a flat and firm test bench.
2, when the number of colonies, the pen should not be too tilted, gently click down to have a bouncing sense, you can hear the "beep" sound, such as tap too heavy, easy to damage the pen.
3, the instrument should be moisture-proof, anti-violent vibration, direct sunlight exposure, acid and alkali corrosion, dust cover should be added after use.
4. Pay attention to prevent bacterial contamination counting pool.
5. If the instrument does not count, you can press the test button. If counting, the counting pen is broken. If it still does not count, it means that the instrument itself has a problem. If it is found to be faulty, please do not disassemble it. Please have it checked by experienced technicians or overhauled by our factory.
kind
1. If the trigger in the counter is flipped at the same time, the counter can be divided into two types: synchronous counter and asynchronous counter.
2. If the number is increased or decreased according to the counting process, the counter can be divided into an adding counter, a subtracting counter and a reversible counter, and the adding counter is continuously added with the clock signal, and the decreasing counter is continuously reduced, which can be increased or decreased. Reversible counter.
There are also many different categories, but the most common one is the first category, because this classification can make people at a glance, knowing exactly what trigger this counter is, so that the designer can design the circuit.
application
Software Description
The counter application includes records of categories such as call, SMS, data, etc., and supports the user to select the clear date and add the reminder value according to the category. For example, the user can select any day of the month, or the first day and the last day as the recording cycle. On the day of clearing, add a reminder node for the duration of the call, the number of SMS messages, and the number of data traffic.
The counter has industrial features: 1. There are 6 LED digital display; 2. There are two A and B counting inputs at the same time; 3. The counting frequency can reach 20KHz; 4. It also has LED warning light indication; 5 At the same time, it supports RS485 and RS232 serial interfaces. The output, power supply and communication are mutually isolated by photoelectric isolation.
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Product details
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