TESTO 6621 - Page 11

testo 6621 - Commissioning 11
At a glance: testo 6621-A02 (duct)
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Top part of housing, display (option,
cannot be retrofitted) for displaying
readings:
1st line Relative humidity (duct 1),
2nd line Temperature (duct 2).
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Mini-DIN port, protected by rubber plug.
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Probe shaft.
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Sensor protection cap.
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Cable coupling for feeding cable through.
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4 screws (Phillips) for fastening the top
part of the housing.
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defresitptsvnl????