Laurel Panel Meters, Counters, Timers & Displays by Application

Display DC voltage or current from power supplies, batteries and other DC sources with 0.01% full scale accuracy. Options include analog outputs, relay outputs, and serial communications.

• DC voltmeter ranges from ±20.000 mV to ±300.0 V, resolution to 1 µV.
• DC ammeter ranges from ±2.0000 mA to ±5.000 A, resolution to 0.1 µA.

Accurately monitor AC or true RMS voltage or current, AC line frequency, or phase angle. Options include analog outputs, relay outputs, and serial communications.

• Trus RMS AC voltmeter ranges from 200.00 mV to 600.0 V, resolution to 10 µV.
• True RMS AC ammeter ranges from 2.0000 mA to 5.000 A, resolution to 0.1 µA.
• AC line frequency to 0.0001 Hz resolution in a few line cycles.
• Phase angle to 0.01° accuracy from 0 to 100 Hz, 0.1° accuracy from 0 to 1 kHz.
• Power factor to three decimal places with sinusoidal inputs.
• Large-digit frequency displays with 2.2" (57 mm) to 8" (200 mm) high digits

• Process meter for analog signals such as 0-1 mA, 4-20 mA, 0-10 V.
• Process totalizer & meter for analog signals such as 0-1 mA, 4-20 mA, 0-10 V.
• Strain gauge & potentiometer follower meter for signals which are a changing resistance.
• Pulse input rate meter and totalizer for pulse signals from 0.005 Hz to 1 MHz.
• Loop-powered process meter.ֲ Powered directly by current loop, with no need for external power.
• Large digit displays.ֲ  Process meters, pulse input rate meters and pulse input totalizers with digit heights from 2.2" (57 mm) to 7.9" (200 mm).
• Bargraph meters.ֲ  30 or 50-element bargraph displays with 3" (75 mm) or 10" (250 mm) scale length.

• Dual-channel Pulse input rate meter and totalizer.  Display flow rate or flow total (volume), add or subtract two flows for net flow or net volume, or compute the ratio of two flows to control mixing operations.
• Analog input rate meter and totalizer.  Accept 0-1 mA, 4-20 mA or 0-10 V analog signal from a linear or differential pressure flow transducer to display flow rate or flow total (volume).
• Pulse input batch controller.  Control repeated fill operations usingֲ the pulse signal from a turbine flowmeter.
• Analog input batch controller.  Control repeated fill operations usingֲ theֲ 0-1 mA, 4-20 mA or 0-10 V analog signal from a linear or differential pressure flow transducer.
• Large digit displays.  Analog input process meters, pulse input rate meters, and pulse input totalizers with 2.2" (57 mm) to 7.9" (200 mm) high digits.

• Load cell meter.  Powers up to four 350-ohm bridges in parallel in 4 or 6-wire connection. Five-digit display, sensitivity to ֲ±20 mV full scale.
• Strain meter.  Powers up to four 350-ohm bridges in parallel in 4-wire connection. Five-digit display, sensitivity to ±200 mV full scale.
• Process meter.  Five-digit display for conditioned signals such as 0-1 mA, 4-20 mA or 0-10 V.
• Scale / weight meter.  Special firmware for weighing applications. Features include display to 999,990, auto-zero, auto-tare or manual tare, and display toggle between gross or net weight.
• Large digit displays.  For strain gauges and load cells. Digit heights 2.2" (57 mm) to 7.9" (200 mm).

Display frequency, rate or RPM to six figure accuracy based on pulse signals at exceptionally fast update rates. Display rates to 0.01% accuracy based on an analog signal or a changing resistance. Features include square root extraction and custom curve linearization.

• Dual-channel frequency meter.  Display frequency in Hz to six-figure accuracy from 0.05 Hz to 1 MHz.
• Dual-channel pulse input rate meter.  Display rate or totalized rate, add or subtracts two rates or totals, or computes the ratio of two rates or totals.
• Analog input rate meter.  Display rate in engineering units from a 0-1 mA, 4-20 mA or 0-10 V analog signal.
• Quadrature meter. Display speed or position based on quadrature signals.
• Potentiometer follower meter. Display speed or position based on the changing resistance of a linear displacement transducer.
• Large digit displays.  Available for pulse input or process signals. Digit heights 2.2" (57 mm) to 7.9" (200 mm).

• Thermocouple Temperature Meter. High accuracy for seven thermocouple types (J, K, T, E, N, S, R), each in one range. User-selectable thermocouple type, °C or °F, and 1° or 0° resolution. Wide range of options for communication and temperature control. Shipped ready to run.

• RTD Temperature Meter. Exceptional accuracy for Pt100 100-ohm platinum RTDs (DIN or ANSI alpha), Ni120 nickel and Cu10 copper. User selectable RTD type, unit of measure (°F or °C) resolution (1°, 0.1° or 0.01°), and 2, 3 or 4-wire hookup to eliminate lead resistance effects. Wide range of options for communication and temperature control. Shipped ready to run.

• Ohmmeter with five jumper selectable resistance ranges from 20Ω to 200 KΩ. Accuracy is an exceptional ±0.01% of full scale ± 2 counts. Resolution is one part in 20,000. In the 20Ω range, resolution is 1 mΩ, making the meter suitable for contact resistance and conductance measurements. An additional 2 MΩ range is available with a factory modification.

• Dual-channel frequency meter.  Display frequency in Hz to six-figure accuracy from 0.05 Hz to 1 MHz.
• Dual-channel pulse input totalizer.  Display totals (such as flow volume) or flow rate, add or subtracts two totals or rates, or compute the ratio of two totals or rates.
• Process signal totalizer.  Display totals in engineering units from a 0-1 mA, 4-20 mA or 0-10 V analog signal.
• Quadrature meter. Display speed or position based on quadrature signals.
• Large digit displays.  Available for pulse input or process signals. Digit heights from 2.2" (57 mm) to 7.9" (200 mm).

• Stopwatch meter. For single events from less than 1 µs to 999,999 hours. Timing resolution to 0.2 µs.
• Time interval meter.  For periodic events from 1 µs to 199.99 s. Timing resolution to 0.2 µs.
• Duty cycle meter.  Displays ON or OFF period as a percentage of total period.
• Large digit timers and clocks.  Display in MM:SS, HH:MM, or HH:MM:SS.Digit with digit heights from 2.2" (57 mm) to 7.9" (200 mm).