Campbell 21X Specifikace stáhnout pdf (Strana 3)

Number 4250

Revision 1.0

Date MAY 1996

Page 1 of 5

1.0 PURPOSE AND APPLICABILITY

This standard operating procedure (SOP) outlines the general procedures for servicing and

calibrating dataloggers used with optical monitoring systems. Accurate and reliable operation of

on-site dataloggers is critical to collection of high quality optical monitoring data. Regular

servicing, performance testing, and calibration of dataloggers is performed to assure quality data

capture and minimize data loss by:

• Performing functional checks and performance tests annually.

• Performing preventive maintenance servicing annually.

• Recalibrating the datalogger when performance tests indicate the unit is not operating

within specifications.

• Documenting all servicing, repairs, and calibrations performed.

The following technical instructions (TIs) provide detailed information regarding specific

datalogger servicing and calibration procedures:

• TI 4250-2000

Servicing and Calibration of Campbell 21X Dataloggers

• TI 4250-2010

Servicing and Calibration of the Handar 540A/570A DCP

• TI 4250-2020

Servicing and Calibration of Primeline 6723 Strip Chart Recorders

Campbell 21X dataloggers are used as the primary datalogger for the IMPROVE

nephelometer network, transmissometer calibration, and transmissometer field audits. Handar

540A/570A DCPs are used as the primary datalogger in the IMPROVE transmissometer network.

Primeline 6723 strip chart recorders are used as backup dataloggers in the IMPROVE

transmissometer network.

2.0 RESPONSIBILITIES

2.1 PROJECT MANAGER

The project manager shall:

• Ensure that performance testing is conducted on all data dataloggers annually.

• Ensure that fully serviced, calibrated, and field ready dataloggers are available as

backups for units operating in the field.

• Ensure that all dataloggers that do not operate within factory specifications are returned

to the manufacturer for factory servicing and recalibration.

• Ensure that all servicing and calibration is performed and documented according to

procedures described in the datalogger-specific servicing and calibration TIs.

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Campbell 21X Specifikace Strana 3