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    1. Recorders

    Strip Chart Recorders

    Archives data over a timed interval by plotting data points acquired by one or more sensors on long roll or strip of paper passing at a uniform speed in proportion to the signal received.

    Learn more about Strip Chart Recorders
    More About Strip Chart Recorders
    Recorder Resources
    Changing the type of input signal on the PHA recorder
    Changing the type of input signal on the PHA recorder

    Strip chart recorders use a long roll or strip of paper to archive data points over a timed interval. Using data acquired by one or more sensors, strip chart use one or more pens to plot the data linearly as the chart passes at a uniform speed. The benefits of strip chart recorders includes the ease of operation, the hardcopy it produces, and real-time output.

    Common applications for strip chart recorders include temperature and humidity measurements, flow rates, pH, pressure, as well as a host of other process measurements. Strip chart recorders are especially well suited for recording continuous processes. Strip chart recorders are available in single or multichannel styles and in various configurations. Many recorders can also record information in a digital format for download to a computer. Strip chart recorders require the correct charts and pens to work correctly.

    Strip Chart Recorder Technology

    Generally speaking, strip chart recorders simply render data. The data itself is produced by application specific sensors that attach to the recorder. Sensor types include temperature (thermocouple, thermistor, RTD), strain gauge or bridge, current, humidity, level, pressure, pH, as well as many others.

    Sensors can be either active or passive devices. Passive sensors, like thermocouples, do not require an outside power supply to generate a signal. Active sensors, on the other hand, do require a power supply to generate a signal. Power to active sensors is often provided by the recorder and is referred to as the excitation source. Signal excitation can either be a voltage or current output.

    As the recorder receives a digital signal, analog signal or sensor input, the chart paper (for chart or strip recorders) is driven past the pen (or pens) at a steady rate by the drive mechanism. The pen assemblies typically use a galvanometer or potentiometer to drive the marking device.

    Galvanometric recorders have a light coil of wire magnetically suspended that is deflected by the sensor current. The pen records those fluctuations, effectively transcribing the sensor current. Sensitivity, however, is limited with galvanometers, particularly with analog instruments. Galvanomteric recorders typically have slow response, small bandwidth, low input impedance, and low sensitivity.

    Potentiometric recorders compare the input signal with a reference which results in an error signal which is amplified thus driving the pen motor. Potentiometric recorders typically have a fast response , smaller bandwidth, very high input impedance, and high sensitivity.

    Some things to Consider When Purchasing Strip Chart Recorders:

    • Is a visual record preferred?
    • Does monitoring need to be continuous or is sampling sufficient?
    • How long will the device be used to record or log?
    • Will the device be left unattended?
    • Will the device be in a hazardous area?
    • How many sensors will be used?
    • What level of accuracy is required?

    If you have any questions regarding strip chart recorders please don't hesitate to speak with one of our engineers by e-mailing us at sales@instrumart.com or calling 1-800-884-4967.

    FPO-engineer
    Questions? Call one of our engineers at 1-800-884-4967.

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    Fuji Electric PHA Strip Chart Recorder
    Fuji Electric PHA Strip Chart Recorder
    180mm six-color ink jet chart recorder, up to twelve channels and can record data in analog or print in high speed with digital mode.
    Some Models in Stock
    Starting at $2,999.00
    CHINO AL4000 Series Hybrid Strip Chart Recorders
    CHINO AL4000 Series Hybrid Strip Chart Recorders
    100mm chart multi-point hybrid memory recorder with simultaneous & digital display with 6 inputs.
    Starting at $1,730.00
    CHINO AH4000 Series Hybrid Strip Chart Recorders
    CHINO AH4000 Series Hybrid Strip Chart Recorders
    180mm chart multi-point type hybrid memory recorder with simultaneous & digital display.
    Starting at $2,560.00
    Autonics KRN100 Recorder
    Autonics KRN100 Recorder
    2-in-1 hybrid type paper/paperless recorder simultaneously displays measured values prints out on 100mm thermal paper.
    Some Models in Stock
    Starting at $1,336.95
    Autonics KRN50 Recorder
    Autonics KRN50 Recorder
    Compact, 50mm recorder with data logging function for automatic back up in case of chart paper running out.
    Starting at $572.95
    CHINO LE5000 Series Strip Chart Recorder
    CHINO LE5000 Series Strip Chart Recorder
    High performance 250mm hybrid recorders with up to 36 multi-range inputs & 0.05% accuracy.
    Starting at $7,560.00

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