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Dynapar S428A Digital Process Meter

The Dynapar S428A  is a new digital panel indicator providing a high contrast, high visibility display, designed for optimal ease of use in a wide variety of process measurement applications.

The S428A is fast, accurate and easy to read with a jumper-less configuration, plug in output boards and quick and easy setup.

The new generation S428A further provides a new user-selectable dual colour display option with fixed red or green displays or a green to red colour change when an alarm condition occurs.

In addition, plug-in modules allow PV retransmission or transmitter power supply and up to 5 alarm relays (latching or non-latching).

The S428A indicator is affordable, full featured, easy to use and compact with performance features that work for you to make temperature and process display simple.

The S428A digital indicator like its predecessor, the S428, remains an easy to use low cost solution for process display applications including temperature, pressure and force providing good visibility and high accuracy all within an affordable and ultra compact housing.

Application / function:
The Dynapar S428A digital indicator like its predecessor, the S428, remains an easy-to-use, low cost solution for indication and display within industrial process and temperature measurement applications providing high visibility and good accuracy in a compact size.

Industries:

  • Industrial and lab ovens/furnaces
  • Plastics and thermal forming
  • Packaging applications
  • And any other display of pressure, force, temperature or other process measurement especially where an out-of-range alarm condition is a requirement

Differentiate features:

  • New S428A is a highly improved direct replacement for previous S428 models
  • New 10V SSR driver output allows drive of up to
  • 3 typical SSR/SCR inputs
  • New plug-in output modules for SSR driver, Triac, relay and linear outputs easily field changeable
  • New latching alarms included as standard
  • New Jumperless configuration with self-recognition of option boards promotes simple, error free set-up
  • New multi-point scaling and tare features included as standard
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ASO Low-Current Sensors

ASO Low-Current Sensors from NK Technologies are specialised current operated switches which combine an ultra-sensitive current transformer and signal conditioning electronics into a single package for sensing AC current from 3-350mA.

Useful for signal or lamp status monitoring, detecting minute fault currents or fan proving, the ASO features solid-state outputs and jumper-selectable ranges, which make it a versatile choice for low-current status indicating applications.

Applications:

  • Fan Monitoring
  • Fan status in heating and drying applications
  • Identify lamp outages or other malfunctions through changes in current consumption
  • Fractional HP Motors
  • Ideal for monitoring small motors used in critical applications; for example, fan-proving on a crucial cooling fan
  • Fault current sensing
  • Detects low levels of current resulting from fault conditions.

Features:

  • Wide range of output options
  • Dependable, solid state switch N.O. or N.C. contacts rated at 240VAC or 30VDC
  • Compatible with standard automation controllers.
  • Isolated inputs and outputs:
  • Inductive sensing eliminates insertion loads on monitored circuit, effectively isolating it from unit
  • Isolated outputs simplify wiring and enhance safety.
  • Adjustable Setpoint’s:

Setpoints are field adjustable from 3mA to 350mA, speeding installation and allowing for tailored applications. UL, CUL and CE approval accepted worldwide.

The ASO Low-Current Sensors are available from Sensit.

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AC Mini Current Sensor

The CS-6XX-XX series of mini current sensors monitor line current for electrical loads such as pumps, conveyors, machine tools or fans and provide an output of 4-20 mA, 0-5 Vdc or 0-10 Vdc (Model specific) to represent the load current.

The CD-650 & CS-651 series require no external power supply as they are totally powered by induction from the AC line being monitored. The CS-652 series is loop-powered and require an external 15-30 Vdc power supply.

FEATURES

  • No field adjustment necessary, factory calibrated
  • 0-5 Vdc, 0-10 Vdc or 4-20mA models
  • Average measurement is equivalent to True RMS for pure sine waves
  • Input / Output isolation via current transformer
  • Solid-state reliability
  • Small compact size
  • Solid, reliable mounting method

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AC Mini Current Switch

The CS Series mini current switch monitors line current for electrical loads such as pumps, conveyors, lighting, heaters or fans and closes the output contacts when the trip point is exceeded. The CS-GnG-100 has a factory set trip point of 0.5 Amps to provide Go/No Go status operation.

The CS-610-75 has a trip setpoint that is adjustable between 0.75 to 75 Amps by rotating the adjustment knob. The sensor requires no external power as it is totally powered by induction from the AC line being monitored. The switch output is normally open and when the input current exceeds the trip setpoint the switch closes to provide an on/off digital signal to the controller.

FEATURES

  • Auto-ranging eliminates lost jumpers
  • Self-powered and no insertion loss
  • True digital switching and no leakage
  • Small compact size
  • Fixed or field adjustable models
  • Input / Output isolation via current transformer
  • Solid-state reliability
  • Solid, reliable mounting method

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