Laurel Frequency, Rate Meter, Flow Rate Indicator
Two independent scalable pulse-input channels from 0 Hz to 1 MHz. Channels may be combined arithmetically. One channel can display total while other displays rate.
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Laurel Digital Counters & Timers
High-Performance Industrial Readouts & Controls
Laurel Totalizer
Two independent scalable pulse-input channels. Count up or down to a preset at rated up to 1 MHz. Scaled rate and total from the same electronic counter. Scaling for direct readout in engineering units, such as gallons or cubic feet based on counts from a turbine flow meter. One channel can display total while other displays rate.
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Laurel Process Meter & Flow Totalizer
User-scalable for display to ±999,999 for 0-1 mA, 4-20 mA, or 0-10 V process signals requiring zero and span adjustment. Includes a voltage-to-frequency converter to totalize analog signals, for example to display volume from a 0-10V flow transducer.
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Laurel Laureate Stopwatch Meter
Configured to time single events or processes which produce start and stop pulses. Duration can be from less than 1 µs to 999,999 hours. Timing resolution to 0.2 µs. Time may be displayed in HH.MM.SS clock format to 99.59.59 with 1 s resolution or in decimal H, M or S format with six-digit resolution.
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Laurel Laureate Time Interval Meter
Configured to time periodic events which produce start and stop pulses from 1 µs to 199.99 s over a programmed gate time up to 199.99 s. Timing resolution to 0.2 µs.
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Laurel A+B, A-B, AxB, A/B, A/B-1 Draw Meter
Arithmetic functions (+, -, /, x) on dual channels A and B open a world of possibilities. For example, add or subtract rates from two flow meters for combined scaled flow or volume. Display the ratio of flow rates, RPM of rollers, or speed of moving belts. Draw, which is obtained by subtracting 1 from ratio, can be used to indicate elongation or shrinkage of material as it passes between rollers.
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Laurel Batch Controller
A low-cost controller for repetitive fill operations. The typical application utilizes a flow meter input and two built-in relays: a Prewarn relay slows down the pump near a preset to avoid overshoot and a Batch relay stops the pump at the preset.
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Laurel Quadrature Position & Rate Meter
Accepts low-level differential or single-ended 5 V logic level quadrature signals from shaft encoders to display scaled position or scaled rate. One, two or four transitions may be counted at a maximum combined rate of 250 kHz and be mathematically scaled to display in engineering units from -999,999 to +999,999.
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Laurel Laureate Duty Cycle Meter
Configured display ON or OFF period as a percentage of total period over a gate time from 10 ms to 199.99 s. A resolution of 1%, 0.1% or 0.01% is selectable. Ideal for repetitive short pulses with a pulse width down to less than 1 µs.
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