What is a pulse output on a water meter?
What is a pulse output on a water meter?
When it comes to water meters, a pulse output is simple SPST (single pole, single throw) dry contact reed switch. The switch is normally open. Certain meters allow for a choice of which dial to use for the pulse output, thus determining the volume of water that is represented by a pulse.
How does pulse water meter work?
The WMP pulse water meter options have a reed switch contact fitted to give one contact closure per fixed volume of water flowing through, whilst also allowing the dial to be read. The contact output may be connected to a remote digital meter, leak detection panel or other electrical / electronic system.
What is pulse in flowmeter?
Pulse flow meter refers to a type of flowmeter that can express flow in pulse form. The common pulse flow meter is the turbine flowmeter. The turbine flowmeter outputs pulse signals and is suitable for use with computer control systems such as secondary displays, PLCs, and DCS.
What is the flow rate on a water meter?
Meter Capacity Chart
| Meter Size (IN) | Maximum Flow Rate (GPM) |
|---|---|
| 1 | 50 |
| 1 1/2 | 100 |
| 2 | 160 |
| 3 | 500 |
What is pulse output signal?
In the case of an electricity meter, a pulse output corresponds to a defined amount of energy passing through the meter (kWh/Wh). For single-phase domestic electricity meters (e.g. the Elster A100c) each pulse usually equals one Wh (1000 pulses per kWh).
What are pulse meters?
A pulse oximeter is a small, lightweight device used to monitor the amount of oxygen carried in the body. This noninvasive tool attaches painlessly to your fingertip, sending two wavelengths of light through the finger to measure your pulse rate and how much oxygen is in your system.
How do you calculate pulse meter?
Calculate your maximum kWh/pulse (pulse weight) value
- Convert 1600 kW load into kWh/second: (1600 kW)*(1hr) = 1600 kWh.
- Calculate the kWh required per pulse: (0.444 kWh/sec)/(2 pulses per second) = 0.222 kWh/pulse.
- If using KYZ Output Mode, adjust for the KY giving one pulse per two transitions if necessary.
What is the output of flow meter?
Positive displacement flow meters are unique as they are the only meter to directly measure the actual volume. All other types infer the flow rate by making some other type of measurement and equating it to the flow rate. With PD meters, the output signal is directly related to the volume passing through the meter.
What is a flow rate meter?
A flow meter (or flow sensor) is an instrument used to measure linear, nonlinear, mass or volumetric flow rate of a liquid or a gas.
Why pulsed output is needed?
Pulsed pumping is also required for three-level lasers in which the lower energy level rapidly becomes highly populated preventing further lasing until those atoms relax to the ground state. These lasers, such as the excimer laser and the copper vapor laser, can never be operated in CW mode.
Where is the pulse output switch on a water meter?
Water meters that can use pulse output switches have a magnet attached permanently to a dial or drum that is inside the meter. The most common pulse output switch attaches to the lens of the meter’s register, directly above a dial that has the magnet attached. The switches attach with a single screw,…
Why does my water meter pulse twice per revolution?
Certain meters allow for a choice of which dial to use for the pulse output, thus determining the volume of water that is represented by a pulse. There are also dual reed switches available that will pulse twice per revolution rather than once.
How does a water meter turn on and off?
The switch is normally open. The switch closes when a magnet is in close enough proximity to pull the reed to the closed position. The magnet is positioned on a dial (or drum in some cases) that rotates due to water flow. When the magnet travels far enough away, the reed is released and the switch opens.