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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Hach DR 5000 user manual 101