Guangzhou Beize Instrument Technology Co., Ltd
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YSiProQuatro portable multi parameter water quality analyzer
YSI ProQuatro portable multi parameter water quality analyzer can measure dissolved oxygen, conductivity, specific conductivity, salinity, resistivity
Product details

YSI ProQuatro handheld multi parameter instrument can measure dissolved oxygen, conductivity, specific conductivity, salinity, resistivity, total dissolved solids (TDS), pH, ORP, pH/ORP combination, ammonium (ammonia), nitrate, chloride and temperature in various combinations. It is also a very powerful laboratory instrument for BOD, pH, and ORP.

EPA approvalReport on meeting the standards for drinking water and wastewater.

YSI ProQuatro Portable Multi Parameter Water QualityanalysisTechnical parameters of the instrument (4-meter cable+probe):

parameter

measuring principle

measuring range

resolution

accuracy

calibration

Working Depth

dissolved oxygen

%Air saturation

Polarographic method or primary battery method

0-500%

0.1% or 1% air saturation

(Optional)

0-200%: ± 2% of the reading or 2% air saturation,

Whichever is larger;

200-500%: ± 6% of reading

1 point or two-point calibration with 0%

Milligrams per liter

0-50mg/L

0.1 or 0.01mg/L

(Optional)

0-20mg/L: ± 2% of the reading or 0.2mg/L,

Whichever is larger;

20-50mg/L: ± 6% of reading

1 point or two-point calibration with 0%

temperature

Field durable cable

-5 to 70 ℃

0.1

±0.2℃

4m

Laboratory grade cables

5 to 70 ℃

0.1

±0.35℃

Conductivity*

Four electrode flow type

Conductivity measurement tube method

0-200mS/cm

0.001-0.1mS/cm

(Depending on the range)

± 0.5% of the reading or 0.001mS/cm,

Whichever is larger (4m cable);

± 1% of the reading or 0.1 ppt,

Whichever is larger (20m cable)

one o'clock

salinity

Calculated from conductivity and temperature

0-70ppt

0.01ppt

± 1% of the reading or 0.1 ppt,

Whichever is larger, 0.2

one o'clock

pH

Glass composite electrode method

0-14

0.01

±0.2

1, 2, 3, 4, 5 or 6 o'clock

(Optional)

ORP

Platinum electrode method

-1999 to 1999mV

0.1mV

±0.2mV

one o'clock

ammonium nitrogen

Ion selective electrode method

0-200mg/L-N

(0-40)

0.1mg/L-N

± 10% of the reading or 2mg/L-N,

Whichever is larger

1, 2 or 3 o'clock

(Optional)

17m

Nitrate nitrogen**

Ion selective electrode method

0-200mg/L-N

(0-40)

0.1mg/L-N

± 10% of the reading or 2mg/L-N,

Whichever is larger

1, 2 or 3 o'clock

(Optional)

17m

Chloride**

Ion selective electrode method

0-1000mg/L

(0-40)

0.1mg/L

± 15% of the reading or 5mg/L,

Whichever is larger

1, 2 or 3 o'clock

(Optional)

17m

total dissolved solids

Calculated from conductivity and temperature

0-100g/L

(Can input 0.30 to 1.00, default value is 0.64)

0.001,

0.01,

0.1 g/L

0.4kPa

(Temperature changes within ± 15 ℃ of calibration point)

air pressure

Piezoresistive method

50-110kPa

0.01kPa

one o'clock

Note:

*The parameters calculated from this include resistivity, salinity, specific conductivity, and total dissolved solids

**Ionic electrodes are only suitable for freshwater

***Additionally: US, NIST, or custom buffer solutions

Host technical specifications:

parameter

measuring range

resolution

accuracy

PH value

-2.60 to 16.60

0.1mV (0.01pH unit)

± 0.1mV (± 0.01pH unit)

Oxidation-reduction potential

-1999 to+1999mV

0.01mV

±0.5mV

conductivity

0.0-200 mS/cm

0.001mS/cm or 0.1 μ S/cm-0.1mS/cm (depending on the range)

± 0.3% ± 1 digit of the full range

dissolved oxygen

0.00-90mg/L

0-550%

0.01mg/L,0.1%

± 0.2% of full range (550% air saturation)

Previous position (at 10 o'clock, using 1.25PE cover film)

temperature

-10 to 100

0.1℃

Full range ± 0.1% 1-digit

Configuration List:

YSI ProQuatro Portable Multi Parameter Water Qualityanalysisinstrument

ProQuatro Multi Parameter Water Quality Analyzerhost

4-meter cable, four probe interface -4

Dissolved oxygen electrodeYSI2003

pH electrodeYSI1001

ORP electrodeYSI1002

Conductivity electrodeYSI5560

Ammonia ion selective electrodeYSI1004

Chloride electrodeYSIYSI1005

Nitrate electrodeYSI1006

Membrane kitYSI5908

PH buffer solutionYSI3821,YSI3822YSI3823

Conductivity calibration solutionYSI3167,YSI3168YSI3169

redoxORP standard solutionYSI3682,YSI3683,YSI3684

Application areas:
Surface water and underground drinking water measurement
Measurement of agricultural water quality parameters
Non point source pollution in inland and coastal areas
Overflow from sewage treatment plants
Groundwater near sewage treatment plants that may be contaminated
Overflow caused by rainstorm
Water for entertainment projects
Surface Water Engineering
Wetland monitoring
Research on Salt Tide Invasion
Laboratory BOD testing
The food and beverage industry, mainly consisting of wine and beer
Comparison of data as a long-term unmanned monitoring device
University research project

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