Hach sensION+ User manual
DOC022.97.80143
sensION™+ Portable Meter
04/2011, Edition 1
User Manual
Manuel d'utilisation
Manual del usuario
Manual do usuário
用户手册
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English..................................................................................................................................................................................................3
Français.............................................................................................................................................................................................17
Español..............................................................................................................................................................................................32
Português..........................................................................................................................................................................................47
中文......................................................................................................................................................................................................61
日本語.................................................................................................................................................................................................74
한글......................................................................................................................................................................................................88
ไทย.......................................................................................................................................................................................................101
2
Specifications
Specifications are subject to change without notice.
Specification Details
Dimensions 18.6 x 7.3 x 3.8 cm (7.32 x 2.87 x 1.5 in.)
Weight 300 g (0.66 lb)
Meter enclosure IP67
Power requirements
(internal)
AA Alkaline or rechargeable Nickel Metal Hydride
(NiMH) batteries (3); battery life: over 500 hours
Input connectors MP-5 or MP-8 connector for sensION+ probes
Meter protection class Class III
Storage temperature –15 to +65 °C (5 to +149 °F)
Operating temperature 0 to 50 °C (32 to 122 °F)
Operating humidity 80% (non-condensing)
Instrument range pH: –2.00 to 19.99; ORP: ±1999 mV
Conductivity: 0.01 to 500 mS/cm; TDS: 0 to 500 g/
L; Salinity: 0.0 to 1999 mg/L, 2.0 to 50.0 g/L
DO: 0.00 to 19.99 mg/L and 20.0 to 22.0 mg/L
(25°C), 0.0 to 199.9% and 200 to 250% (25°C)
Resolution pH: 0.01 pH; ORP: 1 mV (0.1 mV from –199.9 to
199.9 mV)
DO: 0.1% (1% if ≥ 200%); 0.01 mg/L (0.1 mg/L if ≥
20 mg/L)
Conductivity: changes with range (auto-ranging)
Temperature: 0.1 °C (0.1°F)
Specification Details
Measuring error (± 1 digit) pH: ≤ 0.01 pH; ORP: ≤ 1 mV
DO: ≤ 0.5 of the measured value
Conductivity/Salinity/TDS: ≤ 0.5 %
Temperature: ≤ 0.2 °C (≤ 0.4 °F)
Reproducibility (± 1 digit) pH: ± 0.01 pH; ORP ± 1 mV
DO: ≤ 0.2 of the measured value
Conductivity/Salinity/TDS: ± 0.1 %
Temperature ± 0.1 °C (± 0.1 °F)
Reference temperature
(RT)
Conductivity: 20 or 25 °C (68 or 77 °F) (factory
settings: 25 °C (77 °F))
Temperature coefficient
(TC)
Conductivity: 0.00 to 5.00%/°C (factory settings:
2%/ °C)
TDS conversion factor Conductivity: 0.00 to 4.44 (factory settings: 0.64)
Energy management Automatic power off after 5 minutes of inactivity
Certification CE
General information
Revised editions are found on the manufacturer’s website.
Safety information
Please read this entire manual before unpacking, setting up or operating
this equipment. Pay attention to all danger and caution statements. Failure
to do so could result in serious injury to the operator or damage to the
equipment.
Make sure that the protection provided by this equipment is not impaired,
do not use or install this equipment in any manner other than that specified
in this manual.
Use of hazard information
English 3
D A N G E R
Indicates a potentially or imminently hazardous situation which, if not avoided, will
result in death or serious injury.
WARNING
Indicates a potentially or imminently hazardous situation which, if not avoided,
could result in death or serious injury.
C A U T I O N
Indicates a potentially hazardous situation that may result in minor or moderate
injury.
N O T I C E
Indicates a situation which, if not avoided, may cause damage to the instrument.
Information that requires special emphasis.
Precautionary labels
Read all labels and tags attached to the instrument. Personal injury or
damage to the instrument could occur if not observed. A symbol, if noted
on the instrument, will be included with a danger or caution statement in
the manual.
This symbol, if noted on the instrument, references the instruction
manual for operation and/or safety information.
Electrical equipment marked with this symbol may not be disposed of
in European public disposal systems after 12 August of 2005. In
conformity with European local and national regulations (EU Directive
2002/98/EC), European electrical equipment users must now return old
or end-of-life equipment to the Producer for disposal at no charge to
the user.
Note: For return for recycling, please contact the equipment producer or supplier
for instructions on how to return end-of-life equipment, producer-supplied electrical
accessories, and all auxillary items for proper disposal.
Product overview
The sensION™+ series meters are used with sensION+ probes to
measure various parameters in water. Primarily for field use, the portable
meter operates on three AA batteries.
The sensION™+ series meters are available in 5 models:
•sensION™+ EC5—conductivity, TDS, salinity and temperature meter
• sensION™+ MM150—pH, ORP (Redox), conductivity, TDS and
temperature meter
• sensION™+ MM110—pH, ORP (Redox) and temperature meter
• sensION™+ pH1—pH meter
• sensION™+ DO6—dissolved oxygen (concentration and % saturation)
and temperature meter
Installation
C A U T I O N
Personal injury hazard. Only qualified personnel should conduct the tasks
described in this section of the manual.
Install the batteries
WARNING
Explosion hazard. Incorrect battery installation can cause the release of explosive
gases. Be sure that the batteries are of the same approved chemical type and are
inserted in the correct orientation. Do not mix new and used batteries.
N O T I C E
The battery compartment is not waterproof. If the battery compartment becomes
wet, remove and dry the batteries and dry the interior of the compartment. Check
the battery contacts for corrosion and clean them if necessary.
N O T I C E
When using nickel metal hydride (NiMH) batteries, the battery icon will not indicate
a full charge after freshly charged batteries have been inserted (NiMH batteries
are 1.2 V versus 1.5 V for alkaline batteries). Even though the icon does not indicate
complete charge, 2300 mAH NiMH batteries will achieve 90% of instrument
operation lifetime (before recharge) versus new alkaline batteries.
N O T I C E
To avoid potential damage to the meter from battery leakage, remove the meter
batteries prior to extended periods of non-use.
4 English
The meter can be powered with AA alkaline or rechargeable NiMH
batteries. To conserve battery life, the meter will power off after 5 minutes
of inactivity. This time can be changed in the Display Options menu.
For battery installation refer to Figure 1.
1. Pull the release tab on the battery cover and the remove the cover.
2. Install 3 AA alkaline or 3 AA nickel metal hydride (NiMH) batteries.
Make sure that the batteries are installed in the correct polarity.
3. Replace the battery cover.
Figure 1 Battery installation
1Batteries 2Release tab 3Battery cover
Connect a probe
1. Plug the probe into the meter (Figure 2).
2. Push the connector so that the alignment pin goes into the groove on
the female connector.
Note: Do not turn the connector.
Figure 2 Probe connection
User interface and navigation
User interface
Figure 3 Keypad description
1CALIBRATION key 4DOWN key: scroll to other options,
change a value
2UP key: scroll to other options,
change a value
5ON/OFF: turn on or turn off the
meter, DISPLAY LIGHT: turn on and
off the display light
3MEASUREMENT key
English 5
Display description
The display shows 3 types of screens:
•Measure—the most recent parameter measurement is shown with the
temperature and stabilization time.
• Calibration—the calibration standard values and temperature are
shown during a calibration.
• Standby—the screen is empty except for the measurement timer at the
bottom.
Figure 4 pH1 screen display
1Main measurement value (pH or
ORP)
4Measurement time (hh:mm:ss)
2Main measurement units 5Temperature
3Battery indicator
Figure 5 DO6 screen display
1Main measurement value (DO) 4Measurement time (hh:mm:ss)
2Main measurement units 5Temperature
3Battery indicator
6 English
Figure 6 MM110 screen display
1Main measurement value (pH) 4Main measurement time (hh:mm:ss)
2Measurement units 5Temperature
3Battery indicator 6Main measurement value (ORP)
Figure 7 MM150 screen display
1Main measurement value
(conductivity)
5Measurement time (hh:mm:ss)
2Main measurement value (pH) 6Temperature
3Main measurement units 7Main measurement value (TDS,
ORP)
4Battery indicator 8Reference temperature
English 7
Figure 8 EC5 screen display
1Reference temperature 4Battery indicator
2Main measurement units 5Measurement time (hh:mm:ss)
3Temperature 6Main measurement value
(conductivity, salinity, TDS)
Navigation
Use the calibrate key to calibrate the probe. Use the measure key to
take a sample measurement. Use the arrow keys to scroll to other
options or to change a value.
Some options require that a key be pushed and held or that multiple keys
be pushed at the same time. Be sure to look at the display during tasks as
the screens change quickly. Refer to each task for specific instructions.
Start-up
Turn the meter on and off
N O T I C E
Make sure that the probe is connected to the meter before the meter is turned on.
Push and hold to turn on or turn off the meter. If the meter does not turn
on, make sure that the batteries are properly installed.
Note: The meter is set to automatically power off after 5 minutes of inactivity to
maximize the battery life.
Operation
WARNING
Chemical exposure hazard. Obey laboratory safety procedures and wear all of the
the personal protective equipment appropriate to the chemicals that are handled.
Refer to the current material safety data sheets (MSDS) for safety protocols.
Setup for pH
The meter is ready for pH or ORP calibration without additional setup.
Setup for dissolved oxygen
Before calibration or measurement for dissolved oxygen, the probe must
be polarized and the settings for atmospheric pressure and salinity must
be entered.
Polarize the electrode
If the probe or batteries are disconnected, connect the probe or install the
batteries and wait for polarization:
Disconnect time Polarization time
< 5 minutes 10 minutes
5 to 15 minutes 45 minutes
> 15 minutes 6 hours
8 English
Change the settings
The settings for dissolved oxygen measurements can be changed when
a dissolved oxygen probe is used. Push to view the current settings.
1. Push . The first setting is shown.
2. Quickly use the arrow keys to change the value. Wait for the next
setting to be shown and change any additional values:
Option Description
nb Atmospheric pressure in mbar (default: 1013 mbar)
SAL Salinity in g/L NaCl (default: 0 g/L)
Note: The salinity value can be found from a conductivity measurement. Refer
to Table 3 on page 16.
Setup for conductivity
The settings for conductivity measurements can be changed when a
conductivity probe is used. Push to view the current settings.
1. Push . The first setting is shown.
2. Quickly use the arrow keys to change the value. Wait for the next
setting to be shown and change any additional values:
Option Description
CEL Electrode type: platinum (default) or titanium.
Note: This option is not available on all meters.
tC Temperature compensation: 0 to 9.99%/°C (default: 2%/°C)
tr Reference temperature: 20 or 25 °C (default: 25 °C)
FTDS calculation factor: 0.01 to 4.44 (default: 0.64)
The new settings are automatically stored in the meter.
Calibration
Calibration procedure
This procedure is for general use with liquid calibration solutions. Refer to
the documents that are included with each probe for additional information.
1. Pour the buffers or calibration solutions into the labeled calibration
tubes.
2. Rinse the probe with deionized water and put the probe into the first
calibration tube. Be sure that there are no air bubbles under the probe
tip.
3. Push . The parameter flashes.
4. Use the arrow keys to change the parameter, if applicable.
5. Push to select the parameter.
6. Push to measure the first calibration solution.
The next calibration solution is shown.
7. Rinse the probe with deionized water and put the probe into the second
calibration tube. Be sure that there are no air bubbles under the probe
tip.
8. Push to measure the second calibration solution.
The next calibration solution is shown.
9. Rinse the probe with deionized water and put the probe into the third
calibration tube. Be sure that there are no air bubbles under the probe
tip.
10. Push to measure the third calibration solution.
When the calibration is good, the display briefly shows OK and then
goes to the standby mode.
Note: To calibrate with only 1 or 2 standards when additional standards are
supplied, push after the first or second standard is measured.
View the calibration data
Data from the most recent calibration can be shown for pH, ORP and
conductivity.
1. Push .
English 9
2. Use the arrow keys to change the parameter, if necessary, and push
.
3. Push and at the same time. The calibration data is shown:
•pH—the slope and offset values are shown alternating with the
deviation (in %) and calibration temperature.
• ORP—the measured mV value and calibration temperature are
shown.
• Conductivity—the cell constant and calibration temperature for each
standard are shown.
Restore the factory calibration
The user calibration can be erased and the factory calibration restored for
pH, ORP and conductivity.
1. Push . The parameter flashes.
2. Use the arrow keys to change the parameter, if necessary.
3. Push and hold until OFF is shown.
The factory calibration for the selected parameter is restored.
Adjust the calibration
The instrument can be adjusted to read a specified solution value for pH,
ORP and conductivity.
1. Rinse the probe. Put the probe in the solution.
2. Push to read the value of the solution.
3. Push . The parameter flashes.
4. Use the arrow keys to select the parameter, if necessary.
5. Push and hold and then push .
The measured value flashes.
6. Use the arrow keys to change the value.
7. Push . The display shows OK.
Adjust the temperature
The temperature measurement can be adjusted at 25 °C (77 °F) and/or
85 °C (185 °F) to increase accuracy for pH, ORP and conductivity.
Note: Refer to the probe documentation to find the temperature limits for the probe
that is used.
1. Put the probe and a reference thermometer in a container of water at
approximately 25 °C and allow the temperature to stabilize.
2. Compare the temperature read by the meter with that of the reference
thermometer. The difference is the adjustment value for the meter.
Example: reference thermometer: 24.5 °C; meter: 24.3 °C. Adjustment
value: 0.2 °C.
3. Enter the adjustment value for the 25 °C reading:
a. Push . The parameter flashes.
b. Use the arrow keys to select tEn.
c. Push . 25 °C is shown.
d. Push and then use the arrow keys to enter the adjustment value
for 25 °C. Push . 85 °C is shown.
4. Put the probe and a reference thermometer in a container of water at
approximately 85 °C and allow the temperature to stabilize.
5. Compare the temperature from the meter with that of the reference
thermometer. The difference is the adjustment value for the meter.
6. Push and then use the arrow keys to enter the adjustment value for
the 85 °C reading. Push .
About sample measurements
Each probe has specific preparation steps and procedures for taking
sample measurements. For step-by-step instructions, refer to the
documents that are included with the probe.
Push to take a sample measurement. During measurements, the
parameter flashes and the timer shows the stabilization time. To change
the measurement parameter (if applicable), push and hold .
To measure the sample continuously, push 2 times. The parameter
flashes to indicate the continuous measurement mode.
Change the temperature units
The temperature units can be changed when the measurement screen is
shown.
10 English
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