Hach Lange SensION+ MM 378 User Manual page 19

Table 2 Measurement warnings and errors
Error/Warning
- - - - - Measured value is out of range.
Examine the probe: Clean the probe (refer to
the probe
that there are no air bubbles in the membrane. Shake
the probe like a thermometer; connect a different
probe to find if the problem is with the probe or the
meter.
Unstable measurement Make sure that the membrane and the diaphragm are
(pH, EC and DO properly immersed in the sample.
measurements)
Examine the temperature.
Time > 120 s
Examine the probe: Clean the probe (refer to
the probe
that there are no air bubbles in the membrane. Shake
the probe like a thermometer; connect a different
probe to make sure that if problem is with probe or
meter.
Unstable measurement Make sure that the membrane and the diaphragm are
(ISE measurements) properly immersed in the sample.
Time > 240 s
Examine the temperature.
Examine the probe: Clean the probe (refer to
the probe
that there are no air bubbles in the membrane. Shake
the probe like a thermometer; connect a different
probe to make sure that if problem is with probe or
meter.
TC = 0 Modify TC
Impossible to measure
salinity
10.389 mg/L >>>>> ISE measurement: The measured value is superior to
the highest standard used in calibration. Measure
00012 00:13
again.
0.886 mg/L <<<<<< ISE measurement: The measured value is inferior to
the lowest standard used in calibration. Measure
00018 00:11
again.
Solution
Clean
on page 16 for more information); make sure
Clean
on page 16 for more information); make sure
Clean
on page 16 for more information); make sure
Replacement parts and accessories
Note: Product and Article numbers may vary for some selling regions. Contact the
appropriate distributor or refer to the company website for contact information.
Replacement parts
Description
sensION+ PH3 Lab pH-meter with accessories, without
probe
sensION+ PH31 Lab pH-meter, GLP, with accessories,
without probe
sensION+ MM340 Lab pH & Ion-meter, GLP, 2 channels,
with accessories, without probe
sensION+ EC7 Lab conductivity meter, with accessories,
without probe
sensION+ EC71 Lab conductivity meter, GLP, with
accessories, without probe
sensION+ MM374, 2 channel Lab meter, GLP,
accessories, without probes
sensION+ MM378, 2 channel Lab meter, GLP,
accessories, without probes
Consumables
Description
pH buffer solution 4.01, 250 mL
pH buffer solution 7.00, 250 mL
pH buffer solution 10.01, 250 mL
Electrolytic solution (KCl 3M), 125 mL
Electrolytic solution (KCl 3M), 250 mL
Electrolytic solution (KCl 3M), 50 mL
Item no.
LPV2000.98.0002
LPV2100.98.0002
LPV2200.98.0002
LPV3010.98.0002
LPV3110.98.0002
LPV4110.98.0002
LPV4130.98.0002
Item no.
LZW9463.99
LZW9464.98
LZW9471.99
LZW9510.99
LZW9500.99
LZW9509.99
English 19