OTT Hydrolab DS5X User manual

Hydrolab DS5X, DS5, and MS5
Water Quality Multiprobes
USER MANUAL
February 2006, Edition 3
© Hach Company, 2006. All rights reserved.

3
Table of Contents
Section 1 Specifications......................................................................................................................................... 5
Section 2 General Information ............................................................................................................................... 9
2.1 Safety Information............................................................................................................................................... 9
2.1.1 Use of Hazard Information......................................................................................................................... 9
2.1.2 Precautionary Labels................................................................................................................................. 9
2.2 DS5, DS5X Multiprobe...................................................................................................................................... 10
2.3 MS5 Multiprobe................................................................................................................................................. 10
2.4 Sensor Options ..................................................................................................................................................11
2.4.1 DS5 Sensor Options................................................................................................................................ 12
Section 3 Installation ............................................................................................................................................ 15
3.1 Unpacking the Instrument................................................................................................................................. 15
3.2 Instrument Assembly ........................................................................................................................................ 15
3.3 Power Options .................................................................................................................................................. 16
Section 4 Operation .............................................................................................................................................. 19
4.1 Parameter Setup............................................................................................................................................... 19
4.1.1 Using the Surveyor for Parameter Setup................................................................................................. 19
4.1.2 Using Hydras 3 LT for Parameter Setup.................................................................................................. 20
4.1.3 Specific Conductance Parameter Setup.................................................................................................. 20
4.1.4 Clark Cell Dissolved Oxygen Parameter Setup....................................................................................... 22
4.1.5 pH Parameter Setup................................................................................................................................ 22
4.1.6 Other Parameter Setup ........................................................................................................................... 22
4.2 Calibration......................................................................................................................................................... 22
4.2.1 Calibrating the Sensors Using the Surveyor............................................................................................ 22
4.2.2 Calibrating the Sensors Using Hydras 3 LT............................................................................................. 23
4.2.3 Calibration Preparation............................................................................................................................ 24
4.2.4 Temperature Sensor Calibration.............................................................................................................. 25
4.2.5 Specific Conductance Calibration............................................................................................................ 25
4.2.6 Clark Cell Dissolved Oxygen Sensor Calibration .................................................................................... 25
4.2.6.1 Water-Saturated Air Dissolved Oxygen Calibration....................................................................... 25
4.2.6.2 Known Concentration Dissolved Oxygen Calibration..................................................................... 26
4.2.7 Pressure Sensor Calibration.................................................................................................................... 27
4.2.8 pH/ORP Calibration................................................................................................................................. 27
4.2.9 Other Sensor Calibrations....................................................................................................................... 27
4.3 Using the DS5/MS5 for Short Term Deployments............................................................................................. 27
4.3.1 Gathering Data Using the Surveyor......................................................................................................... 27
4.3.2 Gathering Data Using a PC and Hydras 3 LT.......................................................................................... 27
4.3.3 Using the DS5/DS5X/MS5 for Unattended Monitoring............................................................................ 27
4.3.3.1 Creating Log Files.......................................................................................................................... 27
4.3.3.2 Downloading Log Files................................................................................................................... 28
Section 5 Deployment........................................................................................................................................... 29
5.1 Deployment Considerations.............................................................................................................................. 29
5.1.1 Pressure Extremes.................................................................................................................................. 29
5.1.2 Temperature Extremes............................................................................................................................ 29
5.1.3 Data Transmission Lines......................................................................................................................... 29
5.1.4 Minimum Depth Requirements................................................................................................................ 29
5.2 Deployment in Open Waters............................................................................................................................. 30
5.2.1 Minimum Clearance Requirements ......................................................................................................... 30
5.2.2 Long-term Deployment in Open Waters.................................................................................................. 30
5.2.2.1 Anchoring the DS5 or DS5X using the Support Bail...................................................................... 31
5.2.2.2 Anchoring the MS5 using the Bail Kit............................................................................................. 32
5.2.2.3 Anchoring the MS5 using the Mooring Fixture............................................................................... 32

4
Table of Contents
5.2.3 Short-term Deployment in Open Waters..................................................................................................33
5.2.4 Minimum Flow Requirements...................................................................................................................35
5.2.5 Non-submersible Deployment..................................................................................................................35
Section 6 Maintenance..........................................................................................................................................37
6.1 Multiprobe and Accessory Maintenance............................................................................................................37
6.1.1 Cleaning the Multiprobe Housing.............................................................................................................37
6.1.2 Dryer Maintenance...................................................................................................................................37
6.1.3 FreshFlow™ Miniature Sample Circulator Maintenance..........................................................................38
6.2 Battery Replacement.........................................................................................................................................38
6.2.1 DS5 and DS5X Battery Replacement......................................................................................................38
6.2.2 MS5 Battery Replacement.......................................................................................................................39
6.2.3 Lithium Battery Replacement...................................................................................................................40
6.3 Storage and Care Recommendations ...............................................................................................................42
6.3.1 Mulitprobe and Sensor Storage ...............................................................................................................42
6.3.2 Electrical Cable Care ...............................................................................................................................42
6.4 Sensor Maintenance..........................................................................................................................................43
6.5 Clark Cell Dissolved Oxygen Maintenance .......................................................................................................43
6.6 Specific Conductance, Salinity, and TDS Maintenance.....................................................................................44
6.7 ORP Sensor Maintenance.................................................................................................................................44
6.8 pH Electrode Maintenance................................................................................................................................44
6.8.1 Standard Reference Electrode.................................................................................................................45
6.8.2 pH Integrated Sensor...............................................................................................................................46
6.9 Temperature Sensor Maintenance ....................................................................................................................46
6.10 Pressure Sensor Maintenance........................................................................................................................46
6.11 Other Sensor Maintenance..............................................................................................................................46
Section 7 Replacement Parts and Accessories..................................................................................................47
Section 8 How to Order .........................................................................................................................................49
Section 9 Repair Service.......................................................................................................................................50
Section 10 Limited Warranty ................................................................................................................................51
Appendix A Troubleshooting................................................................................................................................53
Appendix B External Communications ...............................................................................................................57
B.1 SDI-12 Interface .........................................................................................................................................57
B.2 Connection to an External Device ..............................................................................................................58
B.3 RS485 Interface..........................................................................................................................................60
B.4 Modbus Interface........................................................................................................................................60
B.5 Using a Modem with Multiprobes ...............................................................................................................62
B.6 TTY Mode...................................................................................................................................................64
B.6.1 TTY Menu and Commands...............................................................................................................65
B.6.2 Data Display......................................................................................................................................66
Appendix C Using HyperTerminal........................................................................................................................67
C.1 HyperTerminal Setup .................................................................................................................................67
Appendix D Glossary & Abbreviations................................................................................................................69

5
Section 1 Specifications
Specifications are subject to change without notice.
DS5 and DS5X Transmitter
Outer Diameter 8.9 cm (3.5 in.)
Length 58.4 cm (23 in.)
Weight (typical configuration) 3.35 kg (7.4 lb)
Maximum Depth 225 m
Operating Temperature –5 to 50 °C
Battery Supply (optional) 8 C batteries
Computer Interface RS232, SDI-12, RS485
Memory (optional) 120,000 measurements
MS5 Transmitter
Outer Diameter 4.4 cm (1.75 in.)
Length 53.3 cm (21 in.)
74.9 cm (29.5 in.) with battery pack
Weight (typical configuration) 1.0 kg (2.2 lb)
1.3 kg (2.9 lb) with battery pack
Maximum Depth 225 m
Operating Temperature –5 to 50 °C
Battery Supply (optional) 8 AA batteries
Computer Interface RS232, SDI-12, RS485
Memory (optional) 120,000 measurements
Temperature Sensor
Range –5 to 50 °C
Accuracy ± 0.10 °C
Resolution 0.01 °C
Specific Conductance Sensor
Range 0 to 100 mS/cm
Accuracy ± 1% of reading; ± 0.001 mS/cm
Resolution 0.0001 units
pH Sensor
Range 0 to 14 units
Accuracy ± 0.2 units
Resolution 0.01 units

6
Specifications
Clark Cell Dissolved Oxygen Sensor
Range 0 to 50 mg/L
Accuracy ± 0.2 mg/L at ≤ 20 mg/L
± 0.6 mg/L at > 20 mg/L
Resolution 0.01 mg/L
ORP
Range –999 to 999 mV
Accuracy ± 20 mV
Resolution 1 mV
Depth Vented Level
Range 0 to 10 m
Accuracy ± 0.01 m
Resolution 0.001 m
Depth 0–25 m
Range 0 to 25 m
Accuracy ± 0.05 m
Resolution 0.01 m
Depth 0–100 m
Range 0 to 100 m
Accuracy ± 0.05 m
Resolution 0.01 m
Depth 0–200 m
Range 0 to 200 m
Accuracy ± 0.1 m
Resolution 0.1 m
Hach LDO® Sensor
Range 0–30 mg/L
Accuracy ± 0.01 mg/L for 0–8 mg/L; ± 0.02 mg/L for greater than 8 mg/L
Resolution 0.01 or 0.1 mg/L
Salinity
Range 0 to 70 ppt
Accuracy ± 0.2 ppt
Resolution 1 mV
4-beam Turbidity (DS5 Only)
Range 0 to 1000 NTU
Accuracy ± 5% of reading; ± 1 NTU
Resolution 0.1 NTU (<100 NTU); 1NTU (≥100 NTU)

7
Specifications
Self-cleaning Turbidity
Range 0 to 3000 NTU
Accuracy ± 1% up to 100 NTU, ± 3% up to 100–400 NTU, ± 5% from 400–3000 NTU
Resolution 0.1, up to 400 NTU; 1.0, 400–3000 NTU
Ammonium/Ammonia
Range 0 to 100 mg/L-N
Accuracy Greater of ± 5% of reading or ± 2 mg/L-N (typical)
Resolution 0.01 mg/L-N
Nitrate
Range 0 to 100 mg/L-N
Accuracy Greater of ±5% of reading or ±2 mg/L-N (typical)
Resolution 0.01 mg/L-N
Chloride
Range 0.5 to 18,000 mg/L
Accuracy Greater of ± 5% of reading or ± 2 mg/L (typical)
Resolution 0.0001 units
Total Dissolved Gas
Range 400 to 1300 mmHg
Accuracy ± 0.1% of span
Resolution 1.0 mmHg
Ambient Light
Range 0 to 10,000 µmol s–1 m–2
Accuracy ± 5% of reading or ± 1 µmol s–1 m–2
Resolution 1 µmol s–1 m–2
Chlorophyll a
Range 0 to 500 µg/L, 0 to 50 µg/L, 0 to 5 µg/L
Accuracy ± 3% for signal level equivalents of 1 ppb Rhodamine WT dye
Resolution 0.01 µg/L
Rhodamine WT
Range 0 to 1000 ppb, 0 to 100 ppb, 0 to 10 ppb
Accuracy ± 3% for signal level equivalents of 1 ppb Rhodamine WT dye
Resolution 0.01 ppb
Blue-green Algae
Range 100 to 2,000,000 cells/mL, 100 to 200,000 cells/mL, 100 to 20,000 cells/mL
Accuracy ± 3% for signal level equivalents of 1 ppb Rhodamine WT dye
Resolution 0.01 cells/mL

9
Section 2 General Information
2.1 Safety Information
Please read this entire manual before unpacking, setting up, or operating this instrument.
Pay particular attention to all danger and caution statements. Failure to do so could result
in serious injury to the operator or damage to the equipment.
Do not use or install this equipment in any manner other than that which is specified in this
manual.
2.1.1 Use of Hazard Information
If multiple hazards exist, this manual will use the signal word (Danger, Caution, Note)
corresponding to the greatest hazard.
DANGER
Indicates a potentially or imminently hazardous situation which, if not avoided,
could result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation that may result in minor or
moderate injury.
Important Note: Information that requires special emphasis.
Note: Information that supplements main points in the text.
2.1.2 Precautionary Labels
Read all labels and tags attached to the instrument. Personal injury or damage to the
instrument could occur if not observed.
This symbol, when noted on the instrument, references the instruction manual for operation
and/or safety information.
This symbol, when noted on a product enclosure or barrier, indicates that a risk of electrical shock and/or
electrocution exists and indicates that only individuals qualified to work with hazardous voltages should open the
enclosure or remove the barrier.
This symbol, when noted on the product, identifies the location of a fuse or current limiting device.
This symbol, when noted on the product, indicates that the marked item can be hot and should not be touched
without care.
This symbol, when noted on the product, indicates the presence of devices sensitive to Electro-static Discharge and
indicates that care must be taken to prevent damage to them.
This symbol, when noted on the product, identifies a risk of chemical harm and indicates that only individuals
qualified and trained to work with chemicals should handle chemicals or perform maintenance on chemical delivery
systems associated with the equipment.
This symbol, when noted on the product, indicates the need for protective eye wear.
This symbol, when noted on the product, identifies the location of the connection for Protective Earth (ground).

10
General Information
2.2 DS5, DS5X Multiprobe
The DS5 and DS5X are designed for in-situ and flow-through applications, and can
measure up to 15 parameters simultaneously. The DS5 and DS5X have seven
configurable ports that can include up to ten of the following sensors: ambient light,
ammonia, chloride, chlorophyll a, rhodamine WT, conductivity, depth, dissolved oxygen,
nitrate, ORP, pH, temperature, total dissolved gas, turbidity, and blue-green algae.
Figure 1 DS5 Multiprobe
Figure 2 DS5X Multiprobe
2.3 MS5 Multiprobe
The MS5 is a portable instrument used for long-term monitoring or profiling applications.
The MS5 has four configurable ports that can include a combination of the following
sensors: ammonia, chloride, chlorophyll a, rhodamine WT, conductivity, depth, dissolved
1. Calibration Cup 5. Bulkhead Connector
2. Storage Cup 6. Battery Compartment (optional)
3. Locking Screw 7. Bail Attachment
4. Housing
1. Calibration Cup 5. Bulkhead Connector
2. Storage Cup 6. Battery Compartment (optional)
3. Locking Screw 7. Bail Attachment
4. Housing
167
∅
∅
88 mm
3.45 inches
571 mm (22.5 inches)
23 45
167
∅
∅
88 mm
3.45 inches
571 mm (22.5 inches)
23 45