Measuring Instruments & Equipment

Our offered Product range includes Analog Panel Meter, Vaf Meters, AMP Meter and Digital RPM Meter.

Analog Panel Meter

Input Current 4 – 20 mA
Range 0-9999
Accuracy 0.5% ± 1 dgts.

This Digital Panel Meter (4-20mA instrument) is provided in industry-standard size housings for easy (form and function) replacement of obsolete analog Bargraph Indicators or Analog Panel Meters. The modular design of Proton products allows a high degree of product customization recognized by customers worldwide.

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Vaf Meters

Dimension 96 mm (W) X 96mm (H)
Supply 3 Phase 415 V AC, 50 Hz [R, Y, B, N]

VAF meter displays the Phase-Phase Voltages RY, YB, BR in the first row, Second row displays R-Phase frequency & Third row Displays the Ampere Values of the three Phases, In the scrolling pattern. According to the display corresponding phase Led will be ON.

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AMP Meter

Nominal Input Current 0 – 5 A
CT Ratio Range 5 to 1000 A
Accuracy t 0.25% ± 1 dgts.

Digital ammeters are instruments that measure current flow in amperes and display current levels on a digital display. These devices provide information about current draw and current continuity in order to help users troubleshoot erratic loads and trends. They have both positive and negative leads and feature extremely low internal resistance. Digital ammeters are connected in series with a circuit (and never parallel) so that current flow passes through the meter. High current flow may indicate a short circuit, unintentional ground, or defective component. Low current flow may indicate high resistance or poor current flow within the circuit.

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Digital RPM Meter

Resolution 1 RPM
Supply 230 VAC
Cutout size 92(W) X 92(H) mm
Dimension 96(W) X 96(H) x 80(D) mm

RPM indicators are useful for indicating wide range of rotating machine speeds. These are non contact type Digital tachometers which work with external proximity or optical sensor to measure the revolution speed either in terms of RPM (revolutions per minute) or RPS (revolutions per second) or in desired units like meters per minute etc. These instruments are also known as Speed Indicators Frequency Indicators Digital Tachometers.

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