Campbell 21X Especificações descarregar pdf (Página 11)

Number 4250-2000

Revision 1.0

Date MAY 1996

Page 2 of 7

• Ensure that all datalogger servicing is documented and archived in accordance with the

procedures described in this TI.

2.2 INSTRUMENT TECHNICIAN

The instrument technician shall:

• Perform and document all calibration checks.

• Coordinate with Campbell Scientific for return and recalibration of Campbell 21X

dataloggers that fail to operate within factory specifications.

• Prepare purchase orders for factory servicing and recalibration of Campbell 21X

dataloggers.

• Replace the Campbell 21X internal battery as required.

• Archive all datalogger servicing records.

2.3 DATA COORDINATOR

The data coordinator shall:

• Inform the instrument technician when a 21X is being removed from the field.

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

the 21X.

3.0 REQUIRED EQUIPMENT AND MATERIALS

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

21X datalogger and to verify the datalogger calibration are:

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

• Campbell Scientific datalogger communications software (SMCOM)

• Campbell Scientific SC532 Peripheral Interface Module

• ARS Campbell 21X datalogger test program (21X_TEST.DLD)

• Digital voltmeter (4 1/2 digits)

• Waveform generator - Wavetek Model 185 or equivalent

• Frequency counter - Tenma Model 72-375 or equivalent

• Campbell Scientific, Inc.

21X Micrologger Operator's Manual

and

21X Prompt Sheet

• Laboratory reference thermometer (

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Campbell 21X Especificações Página 11