Chart Recorder
Paper recorders have long been used in industry. These recorders have a mechanical mechanism that requires paper to record information on them by special pens in the recorder that represent its input channels. In fact, your various inputs, which include information on temperature, pressure, flow, tank level, etc. sensors, are obtained by drawing pens on checkered paper that is calibrated over time. Due to the mechanical nature of these recorders, they are more difficult to maintain and require items such as paper and ink that must be provided periodically. Also, their depreciation is considerable and reading and retrieving information from its charts is not as easy as paperless recorders.
Below are some models of paper recorders or recorder charts.
Strip recorder or tape recorder:
Strip consisting of a roll or strip of paper that is linearly placed under one or more pens . As the signal values change, the pens move from the original location by changing the signal values, and the graph is recorded according to the changes. Tape recorders are well suited for recording continuous processes. Tape records are commonly used to draw graphs in the laboratory as well as in process or process measurements.
Circular recorder:
The circular recorder is able to plot the data in a circular manner and records the signal in a circular motion. Draw a diagram on a circular chart below one or more pens and the diagram is drawn on it. The pens move according to the signal changes and are able to draw a pie chart. Recording a pie chart is ideal for batch processes that take place over a period of time. Charts are typically designed to rotate over standard time periods such as 1 hour, 24 hours, 7 days, etc., although many relapses have enough flexibility to set non-standard times.
XY Recorder:
XY recorders actually accept two inputs simultaneously and create one diagram in relation to another diagram from one input to another. Commonly used to determine the relationship between two signals. For example, in a chemical process, an XY recorder may be used to monitor the effect of temperature on the pressure of a process.
Combined or hybrid recorders :
A composite record can act as a recorder or lager. A composite record, like a standard record, can produce graphs that fit the inputs, and at the same time, a digital printer can produce data similar to a logger. They are usually available in multi-channel designs, although one printer generally manages all channels. This makes the hybrid recorder a cost-effective solution for multi-channel systems, although the response time is not as large as recorders that have a unique pen for each channel.
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