Hach 3650 Calibrations, Accessories and Attachments Maintenance and Troubleshooting, Part Lists

2 of 50Table of Contents - 3650 Portable O2 Analyzer

3.4.7 Dual Use (model 3650/113 only) 29

4 Calibrations

4.1	Pressure Calibration		31
4.2	Sensor Calibration		32
	4.2.1 Calibration In a Span Gas		32
	4.2.2	Calibration In Line	33
	4.2.3	Calibration In Air	34
4.3	Calibration Range Checking		34

5Accessories and Attachments

6Maintenance and Troubleshooting

	6.1	Maintenance		37
		6.1.1	Instrument Batteries	37
		6.1.2	Sensor	37
	6.2	Troubleshooting		38
		6.2.1	Serial Test	38
		6.2.2	Keyboard Test	38
		6.2.3	Display Test	39
		6.2.4	Clock Settings	39
		6.2.5	Analog Voltages View	40
		6.2.6	Measurements View	40
7	Specifications
	7.1	System Specifications		41
		7.1.1	General Technical Data	41
		7.1.2	Instrument Display Options	41
	7.2	Theory of Operation		42
8	Part Lists
	8.1	Instrument		43
	8.2	Accessories		43
	8.3	Spare Parts		44
Appendix A: Glossary
	A.1	Common Units		45
	A.2	Terms and Definitions		45

ORBISPHERE Operator Manual