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- Cost effective recording of maximum & minimum temperatures
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 Max-Min Chart Recording Thermometer
Models 581F & 581C
The PTC® Model 581 Max-Min Chart Recording Thermometer gives a permanent record of the total temperature change in a surrounding area. It provides the user a scribed trace on a circular paper chart. The instrument comes complete with an initial supply of 100 charts. Please specify Fahrenheit or Celsius when ordering.
The stainless steel stylus does not require changing, sharpening, or replacing. This instrument does not include a clock drive and therefore does not provide a time based recording. For time and temperature based recording please refer to Model 616.
The Model 581 can be used in refrigerators, freezers, storage rooms, low temperature ovens, greenhouses, incubators, or curing rooms-anywhere a maximum or minimum permanent recording is needed.
- Available models & temperature ranges:
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Range
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Model
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Div.
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-50° F to +250°F
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581F
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2°
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-50°C to +110°C
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581C
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1°
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- Accuracy ±2% of full scale range.
- Charts 100 included with instrument.
- Chart diameter 3 in. (7.6 cm).
- Dimensions: Diameter 3-1/16 in. (7.7 cm). Height 1-1/8 in. (2.8 cm)..
- Optional Mounting Bracket Available
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