Retsch PM GrindControl - Manual (Page 8)

Technical Data
8
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3 Technical Data
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3.1 Operating Conditions
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3.1.1 Temperature Range
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The temperature range is determined by the max. permissible temperature inside
the wireless grinding jar cover (measurement electronics) of 70°C.
An additional sensor measures the temperature of the measurement unit inside the
wireless grinding jar cover. On exceeding 70°C, a warning is outputted on the
screen.
Monitor the temperature of the measurement unit inside the wireless grinding
jar cover at regular intervals to avoid damage to the measurement
electronics.
When you move the mouse cursor over the text box of the grinding jar, the
momentary temperature inside the wireless jar cover is displayed as a small tool tip
beside the mouse cursor. (See image: Temperature inside the wireless grinding jar
cover)
Fig. 1: Temperature inside the wireless grinding jar cover
Measurement Resolution of the Temperature Measurement : 0.1 °C
Accuracy of the Temperature Measurement: 1%
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3.1.2 Pressure ranges
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– Maximum permissible pressure range
inside the grinding beaker:
up to 5.0 bar (500 kPa)
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Screw the clamping screws on the clamping ring tight!
Maximum internal pressures of 5.0 bar are only permissible where there is
sufficient initial tension on the clamping ring.
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3.1.3 Rotational speed range
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Rotational speed range: corresponds to the maximum rotational speeds of the PM
100 or PM 400 respectively
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3.1.4 Transmitter range
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Transmitter range: approx. 15 m in buildings
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3.1.5 Operating Time
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