A Guide to Ratemeters

A Guide to Ratemeters | Flowmetrics

Measuring flow requires that you have adequate means for reading information. Ratemeters and totalizers offer a user the ability to understand exactly what is happening within the mechanisms of flow metrics. Without these handy gadgets, measurement is far more difficult. It is important not to rush through this facet of flow measurement, as you might find that there are a number of variables to consider when choosing a ratemeter and totalizer. In the following, you will read about several different kinds of ratemeters.



912-MRTThe 912-MRT, otherwise known as the MINITROL, is a ratemeter with six digits and a two level, five digit preset alarm control. There are two inputs, A and B, which can be calibrated in three different ways:

  • “A” subtract “B”
  • “A” add “B”
  • “A” and “B” as separate totalizers

Moreover, the MINITROL can handle a whopping 10,000 pulses per second. With five digits and a floating decimal, you can measure in true blue engineering units with the rate set in terms of seconds, minutes or hours. You can also toggle between the current rate and total without disrupting the count. This ratemeter is perfect for all kinds of flow measuring fun.



918-RTPIf you are searching for something a little more futuristic, you might want to look into the 918-RTP, which boasts a 2 X 16 backlit LCD display with a ratemeter and totalizer that you can preset by way of two pulse inputs. You can even connect this piece of equipment to a network for data acquisition. Like the MINITROL, the 918-RTP has two inputs (A and B), each of which can define up to 16 points of K-factors. What does this mean? Well, simply put, this allows for a greater degree of accuracy, which makes this ratemeter worthy of consideration for future purchase.




920-KRT8The 920-KRT8, known as the KEPTROL, is a serious meter allowing for 20,000 pulses per second. It is faced with a .55” screen that displays both numbers and letters. With a 16 point K-Factor this unit can give majorly accurate readings. Perhaps the most wondrous attribute of this ratemeter is its capacity to transmit data to remote totalizers, computers, programmable controllers and many other kinds of digital data storage devices. To top it all off, the KEPTROL offers you the ability to protect your information with a password. This can be useful if you are storing your equipment in a place that is accessible by other people or if the measurements belong to patented research that you want to keep away from the vying hands of competitors.

You might find that there are a lot of overlapping features, such as two programmable inputs, toggling capabilities, security features and alarms. Because of these shared features, it would be advisable to seek out an expert to help guide you through the tedious work of researching the many kinds of ratemeters. He or she can help you determine what you actually need. After all, an LCD screen might look sleek, but upon closer examination you might discover that it is actually superfluous.


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