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Combination Multiparameter Meters

YSI 556 Handheld Multiparameter Meter

Dissolved Oxygen Sensor Type (% saturation) :

Steady state polarographic

Range:

0 to 500% air saturation

Accuracy:

0 to 200% air saturation, 2% of the reading or 2% air saturation; whichever is greater
200 to 500% air saturation, 6% of the reading

Resolution:

0.1% air saturation

   

Dissolved Oxygen Sensor Type (mg/L):

Steady state polarographic

Range:

0 to 50 mg/L

Accuracy:

0 to 20 mg/L, 2% of the reading or 0.2 mg/L, whichever is greater;
20 to 50 mg/L, 6% of the reading

Resolution:

0.01 mg/L

   

Temperature Sensor Type:

YSI Precision TM thermistor

Range:

-5 to 45C

Accuracy:

0.15C

Resolution:

0.1C

   

Conductivity Sensor Type:

4-electrode cell with autoranging

Range:

0 to 100 mS/cm

Accuracy:

0.5% of reading + 0.001 mS/cm

Resolution:

0.001 mS/cm to 0.1 mS/cm (range-dependent)

   

Salinity Sensor Type:

Calculated from conductivity and temperature

Range:

0 to 70 ppt

Accuracy:

1.0% of reading or 0.1 ppt, whichever is greater

Resolution:

0.01 ppt

a  

pH Sensor Type:

Glass combination electrode

Range:

0 to 14 units

Accuracy:

0.2 units

Resolution:

0.01 units

   

ORP Sensor Type:

Platinum button

Range:

-999 to +999 mV

Accuracy:

20 mV

Resolution:

0.1 mV

   

Barometer (optional) Range:

500 to 800 mm Hg

Accuracy:

3 mm Hg within 15C temperature range from calibration point

Resolution:

0.1 mm Hg

Meter Specifications:

Size:

1.9 cm width x 22.9 cm length (4.7 in. x 9 in.)

Weight with batteries:

2.1 lbs. (916 grams)

Power:

4 alkaline C-cells; optional rechargeable pack

Cables:

4, 10, and 20 m (13.1, 32.8, 65.6 ft.) lengths

Warranty:

3-Year for the instrument; 1-Year for the probe module

 


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