Number 4250
Revision 1.0
Date MAY 1996
Page 3 of 5
• Reference thermometer (
°
C)
• Replacement components as required
• Battery pack
• Battery charger
• Desiccant packets
• Standard electronics laboratory small tools
• TI 4250-2000,
Servicing and Calibration of Campbell 21X Dataloggers
3.2 HANDAR 540A/570A DCP
• Calibrated voltage source
• RF Wattmeter with 50 ohm RF load
• Digital voltmeter
• Reference AT/RH sensor
• 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
• IBM PC-compatible computer
• Spare circuit boards as required
• 12 volt battery
• Desiccant packets
• Standard electronics laboratory small tools
• TI 4250-2010,
Servicing and Calibration of the Handar 540A/570A DCP
3.3 PRIMELINE 6723 STRIP CHART RECORDER
• Regulated 12 VDC power supply
• Calibrated voltage source
• Digital voltmeter
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