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CHALPÔ

This is a Liquid to air exchanger for use with the BiomekÔ FX Liquid handler. Temperature range is 0* to 65° C. This device is compatible with all Acme-Automation thermal adapters. It works directly with 96 and 384 well flat bottom plates. The device integrates into the Beckman Coulter Static ALP #719357

Maximum temperature = 65° C ( Osha Limit, tested to 90° C)

Minimum temperature = -0° C ( limited by chiller low limit)

Minimum operating temperature is dependent on the recirculating refrigerator lower capability.

Installation:

Decide what 2 ports you will use for the port fittings (either narrow or wide end). Cut 5 pieces ~25mm long of Teflon tape. Dress the tape in a clockwise rotation around the 2 port fitting’s threads and the 3 plug’s threads. Place the ‘CHALP’ up-side down (figure 2.) Use the 1/16" wrench to insert the set screws so they protrude slightly from the other side. Stack a flat washer ,spring and another flat washer onto each of the 6-32 hex head screws. Place the Biomek FX Static ALP Up-side down. Align the CHALP with the 4 holes in the bottom of the ALP. Insert and tighten all 4 screw/washer/Spring/Washers. Upright the ALP/CHALP assembly. You can now adjust the 3 set screws in or out for proper bottom contact on various types of labware. Mount the ALP on the FX. . The recirculating chiller connections are as follows: Cut the ¼ " tubing and connect between the device and the Recirculator. Flow direction is not critical. Condensate will build up on the tubing, route accordingly. Typically, 3 or more units can be connected together in parallel on one recirculator.

Operation: recirculating refrigerator bath.

Use a maximum of 60% glycol mixture in the recirculator reservoir. Allow the recirculator to reach the setpoint temperature, ~30 minutes for the coldest setting. It is best to measure the temperature right at the plate with a non-contact thermometer if the control is critical. It Is best if the unit does not remain on at less than freezing temperatures for periods greater than 24 hours, as frost will build up and may affect plate positioning. If you encounter any difficulty with this integration contact: Jeff Cahlik @ (423) 452 0893

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