Campbell 21X Spezifikationen PDF herunterladen (Seite 21)

Number 4250-2010

Revision 0.1

Date MAY 1996

Page 2 of 37

• Coordinate with Handar for return, servicing, and recalibration of 540A/570A DCPs

that fail to operate within factory specifications.

• Prepare purchase orders for factory servicing and recalibration of Handar 540A/570A

DCPs.

• Replace the Handar 540A/570A internal battery as required.

• Archive all DCP servicing records.

2.3 DATA COORDINATOR

The data coordinator shall:

• Inform the instrument technician when a DCP is being removed from the field.

• Provide the instrument technician with a description of the field problems observed

with the DCP.

3.0 REQUIRED EQUIPMENT AND MATERIALS

Specific instrumentation, tools, equipment, and materials required to service and test the

Handar 540A/570A DCP are as follows:

• Calibrated voltage source - Datel Model DVC-350A or equivalent

• RF wattmeter - Bird Model 43 with #250D power element and 50 ohm RF load or

equivalent

• Digital voltmeter (4 1/2 digits)

• Handar, Inc. Operating and Service Manual for 540A Multiple Access Data Acquisition

System, 560A Hydrologic Data Collection System, and 545A Programming Set

• Handar, Inc. 570A Data Acquisition System Operating and Service Manual

• Handar "TERM" program (DCP communication and interface software)

• IBM PC-compatible computer

• Spare circuit boards as required

• Replacement internal 12 volt battery

• Two (2) packs desiccant

• Reference AT/RH sensor (Rotronics GT-L or equivalent)

• Rotronics AT/RH Sensor (Model MP-100F, wired for use with the Handar 540A/570A

DCP)

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Campbell 21X Spezifikationen Seite 21