TESTO 6621 - Product Description

testo 6621 - Commissioning10
Product description
At a glance: testo 6621-A01 (wall/voltage version)
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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.
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Opening for feeding cable through from
underneath, predetermined breaking
point in housing wall
At a glance: testo 6621-A03 (wall/curent version)
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Housing cover, display (option, not
retrofittable) for measurement value
display:
1 line relative humidity (channel 1),
2 line temperature (channel 2).
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Mini-DIN-connection socket.
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Opening for cable inertion from below,
break-out point in housing wall.
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Probe shaft
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Sensor protection cap
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