Hach DR 5000 user manual 101

	Table of Contents
6.4 Single Wavelength (absorbance, concentration and transmittance measurements)	87
6.4.1 Set up single wavelength mode	87
6.4.2 Take single wavelength measurements (single reading)	89
6.4.3 Take single wavelength measurements (continuous readings)	89
6.5 Multi-Wavelength mode – measurements at more than one wavelength	90
6.5.1 Set the reading mode at different wavelengths	90
6.5.2 Complete a measurement in the multi wavelength mode	93
6.6 Wavelength Scan mode – recording of absorbance and transmittance spectrums	94
6.6.1 Set up the wavelength scan	94
6.6.2 Wavelength scan reading	97
6.6.2.1 Navigation of the wavelength scan graph or a wavelength scan analysis	98
6.6.3 Work with reference scans	99
6.7 Time course of absorbance/transmittance	101
6.7.1 Time course setup parameters	101
6.7.2 Time course scan reading	102
6.7.3 Analysis of time course data	103
6.7.3.1 Navigation of a time scan or a time scan analysis	104
6.8 System checks	105
6.8.1 Instrument information	105
6.8.2 Upgrade of the instrument software	106
6.8.3 Optical checks	106
6.8.3.1 Wavelength check	107
6.8.3.2 Noise check	108
6.8.3.3 Stray light check	110
6.8.3.4 Absorbance check	111
6.8.3.5 Drift check	112
6.8.3.6 Verification kit	113
6.8.4 Output checks	115
6.8.5 Lamp history	115
6.8.6 Factory service	116
6.8.7 Service time	116
6.8.8 Instrument Backup	117
Section 7 Maintenance	121
7.1 Cleaning requirements	121
7.1.1 Spectrophotometer	121
7.1.2 Display	121
7.1.3 Cuvettes/sample cells	121
7.2 Lamp replacement	122
7.2.1 Tungsten lamp replacement	122
7.2.2 Deuterium lamp (UV) replacement	123
7.3 Fuse replacement	124
7.4 Filter pad maintenance	125
7.4.1 Filter pad replacement	125
Section 8 Troubleshooting	127
Section 9 Replacement Parts	129
Section 10 Contact Information	131
Section 11 Limited Warranty	133
Index	135

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