Opening and closing the instrument

When opening the instrument, make sure to keep the O-rings clean and avoid scratching the O-ring mating surfaces.

Opening the instrument

  1. Place the RBRquartz³ BPR | zero vertically with the battery end-cap up and the sensor end-cap down. Alternatively, you can lay it on the side.

  2. Unscrew and remove the two cap screws using a 5mm hex key.

  3. Rest the battery end-cap on the side of the instrument, as shown.

    bprzero end cap
    Fig. 2.    Locations of cap screws
    rbrquartz3bpr zero 5 1
    Fig. 3.    Open instrument, with the end-cap resting on the side

Disconnecting the umbilical cable

  1. Locate the small latch on the side of the connector.

  2. Press the latch with your thumb and pull the connector down.

  3. Set the battery end-cap aside.

    Do not pull on the wires attached to the connector!

Closing the instrument

  1. If disconnected, insert the umbilical cable back in its socket.

  2. Align the battery end-cap with the slot on the instrument housing and gently push down to ensure it fits in place.

  3. Reinstall the two cap screws and tighten to 1/4 turn past tight (10Nm max).