How Does a Electronic Pump Stroke Counter Work?
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How Does a Electronic Pump Stroke Counter Work? Pump Stroke Counters measure a mud pump’s strokes per minute and total number of strokes. Pump Stroke Counters assist the driller in knowing how much mud is flowing on a drilling rig. To understand how a stroke counter works, you need to understand how a mud pump works. Click on Picture to Learn More about our pump Stroke Counter Systems
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How Does a Mud Pump Work? Mud Pumps are the heart of a drilling operation. Just as the human heart circulates blood through the human body, a mud pump circulates drilling fluid downhole and back up again. By circulating fluid, the mud pump cools and lubricates the drill bit and flushes cuttings from the hole. Click on Picture to Read our Blog on Pump Stroke Counters
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How Does a Mud Pump Work? Two main kinds of mud pumps are duplex and triplex pumps. Duplex mud pumps have two pistons, and triplex pumps have three. In order to know how many strokes per minute the pump is performing at, you Pump Stroke Counter need to have the right stroke PN:TwoCPS100 for Duplex Pump counter system.
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Three Pump Stroke Counter PN: CPS100-1 for Triplex Pump
What’s in a Pump Stroke Counter System? Crown Oilfield Instrumentation’s Pump Stroke Counter Systems come complete with Digital Stroke Counter, Limit Switches and Cable Assemblies for 2 or 3 Pumps, and Junction Box. So, how do the work?
Junction Box
CPS100 --Two Pump Stroke Counter
CS181 - Micro Limit Switch with Stainless Steel Rod
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Cable to Second Micro Switch
How Does a Pump Stroke Counter System Work? Pump Stroke Counter Systems function like a blood pressure cuff. Each time a person’s heart pumps, a blood pressure cuff reads the systolic and diastolic pressure. Just like this device, a pump stroke counter detects the movement of the mud pump piston by a limit switch and sends a signal to the stroke counter.
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How Does a Electronic Pump Stroke Counter Work? Mud Pump Micro Limit Switch
Whisker
As the drive shaft moves the piston, the piston touches the limit switch stainless steel rod or “whisker�. Each time the whisker is touched, the switch senses the signal as a contact closure.
Mud Pump Piston Drive Shaft
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How Does a Electronic Pump Stroke Counter Work? 2 Pump Stroke Counter
The contact closure is converted to a signal, and the signal is transmitted to the stroke counter. The signal is then converted to a logic pulse. In this picture the duplex pump has two limit switches that send signals to a junction box. The junction box then sends the signal to the stroke counter.
Junction Box
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How Does a Electronic Pump Stroke Counter Work? Once the signal reaches the counter, it is converted to a logic pulse. The pulse feeds two separate circuits: Total Strokes, Strokes/Minute.
Strokes/Minute -- The rate circuit averages the number of closures against a real time clock and is then indicated in the Strokes/Minute LED Window.
Total Strokes -- The total strokes circuit totals up the contact closures and is indicated in the Total Strokes LED window.
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In Summary Mud pump stroke counters measure the rate that mud is flowing through a drilling rig system. Each time the piston moves, the pump stroke counter registers that movement. Drillers use this information to make sure that drilling rigs are running at peak efficiency.
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