Chapter 2: Kaye ValProbe RT Hardware
ValProbe RT User Manual 20
Install the Replacement O-ring and Battery:
Whenever opening a Logger, replace the cup O-ring to ensure that the Logger maintains its
seal. The ValProbe RT battery replacement kit contains two types of O-rings.
• For temperature ranges from –85 to 140ºC, use the orange (silicone material) O-ring.
• Before installing a new O-ring, apply a thin coat of grease to the O-ring (see warning
above regarding KRYTOX grease). Carefully apply the grease to all surfaces of the O-
ring, ensuring not to cut or scratch the O-ring.
Figure 25: Apply Grease and Replace O-ring
• Slide the O-ring over the tip end of the probe and into the O-ring groove. Do not stretch
or deform the O-ring and avoid contact with the threads to prevent nicking and/or
cutting the O-ring.
• With the new O-ring in place, insert the pre-conditioned battery into the battery holder
and place the battery cap on top and turn the cap down and clockwise to lock it into
place.
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