YSI 55 Data sheet

Y S I Environmental

Water quality handhelds for field work

Oxygen, Conductivity, Salinity, pH, Temperature

• Simple push-button calibration

• Built-in probe storage chamber

• Backlit display for easy viewing in any light

• Convenient multiparameter probe designs

• Automatic temperature compensation

• Water-resistant to IP-65 standard

• Two-year instrument warranty

YSI 55

oxygen & temperature

• Dissolved oxygen in mg/L or % saturation

• Salinity compensation

• Industry standard

• Easy calibration

YSI Model 55 and
Model 85 (below)

YSI Models 30, 60,
and 63

Pure

Data

for a

Healthy

Planet.

Convenient

field measurement.

®

YSI 85

oxygen, conductivity, salinity, & temperature

• 50-reading memory with ID

• User-selected ranges or autoranging for conductivity

• Automatic salinity compensation

• Screw-on DO membranes

YSI 60

pH & temperature

• 50-reading memory with ID

• Replaceable pH electrode with one-year warranty

• Cable lengths up to 100 feet

YSI 63

pH, conductivity, salinity, & temperature

• 50-reading memory with ID

• Four-electrode conductivity cell

• User-selected ranges or autoranging for conductivity

• Replaceable pH electrode with one-year warranty

• Cable lengths up to 100 feet

YSI 30 & 30M

conductivity, salinity, & temperature

• Four-electrode conductivity cell

• User-selected ranges or autoranging for conductivity

• YSI 30M has 50-reading memory with ID (available with 100-foot
cables)

www.YSI.com

To order, or for more
information, contact
YSI Environmental.

[phone]
800 897 4151 (US)

www.ysi.com

Y S I Environmental

55 oxygen & temperature (System Specifications)

Salinity compensation: 0 to 40 ppt (manual)
Altitude compensation: 0 to 10,000 feet
Cable lengths: 12, 25, 50 feet (3.7, 7.6, 15.2 meters), available with detachable cable

Measurement Range Resolution Accuracy (meter & probe)

Dissolved Oxygen 0-200% 0.1% ±2% saturation
0-20 mg/L 0.01 mg/L ±0.3 mg/L
Temperature -5 to +45°C 0.1°C ±0.2°C

YSI Environmental
[phone]
Fax [phone]
[e-mail]

Endeco/YSI
[phone]
Fax [phone]
[e-mail]

SonTek/YSI
[phone]
Fax [phone]
[e-mail]

YSI Environmental Gulf Coast
[phone]
Fax [phone]
[e-mail]

YSI Hydrodata (UK)
[phone]
Fax [phone]
[e-mail]

YSI Middle East (Bahrain)
[phone]
Fax [phone]
[e-mail]

YSI (Hong Kong) Limited
[phone]
Fax [phone]
[e-mail]

YSI (Qingdao) Limited
[phone]
Fax [phone]
[e-mail]

YSI Nanotech (Japan)
[phone]
Fax [phone]

[e-mail]

ISO 9001
ISO 14001

Pure Data for a Healthy Planet and
Who’s Minding the Planet? are registered
trademarks of YSI Incorporated.

©2006 YSI Incorporated
Printed in USA 0107 W42-03

Y S I i n c o r p o r a t e d

Whoʼs Minding

the Planet?

™

85 oxygen, conductivity, salinity & temperature (System Specifications)

Range: Autoranging for dissolved oxygen. User-selected or autoranging for conductivity
Adjustable conductivity reference temperature: 15 to 25°C
Adjustable conductivity temperature compensation factor: 0 to 4%
Salinity compensation: 0 to 80 ppt (automatic)
Altitude compensation: 0 to 10,000 feet
Cable lengths: 10, 25, 50, 100 feet (3, 7.6, 15.2, 30.5 meters), available with detachable cable

Measurement Range Resolution Accuracy (meter & probe)

Dissolved Oxygen 0 to 200% 0.1% ±2% saturation
0 to 20 mg/L 0.01 mg/L ±0.3 mg/L
Conductivity 0 to 499.9 µS/cm 0.1 µS/cm ±0.5% full scale
0 to 4999 µS/cm 1 µS/cm ±0.5% full scale
0 to 49.99 mS/cm 0.01 mS/cm ±0.5% full scale
0 to 200.0 mS/cm 0.1 mS/cm ±0.5% full scale
Salinity 0 to 80 ppt 0.1 ppt ±2% or ±0.1 ppt
Temperature -5 to +65°C 0.1°C ±0.1°C (±1 lsd)

-5 to +45°C for oxygen

60/63 pH & pH/conductivity & temperature (System Specifications)

pH electrode: Combination with gel reference
Range: Autoranging for pH, user-selected or autoranging for conductivity
Temperature compensation: Automatic
Adjustable conductivity reference temperature: 15 to 25°C
Adjustable conductivity temperature compensation factor: 0 to 4%
Cable lengths: 10, 25, 50, 100 feet (3, 7.6, 15.2, 30.5 meters)

Measurement Range Resolution Accuracy (meter & probe)*

pH 0 to 14 0.01 unit ±0.1 unit within 10°C of calibration
±0.2 unit within 20°C
Conductivity 0 to 499.9 µS/cm 0.1 µS/cm ±0.5% full scale
0 to 4999 µS/cm 1 µS/cm ±0.5% full scale
0 to 49.99 mS/cm 0.01 mS/cm ±0.5% full scale
0 to 200.0 mS/cm 0.1 mS/cm ±0.5% full scale
Salinity 0 to 80 ppt 0.1 ppt ±2% or ±0.1 ppt
Temperature -5 to +75°C 0.1°C ±0.1°C (±1 lsd)

*Meter accuracy is ±0.02 unit.

30 salinity, conductivity & temperature (System Specifications)

Range: User-selected or autoranging
Adjustable reference temperature: 15 to 25°C
Adjustable temperature compensation factor: 0 to 4%
Cable lengths: 10, 25, 50, 100 feet (3, 7.6, 15.2, 30.5 meters)

Measurement Range Resolution Accuracy (meter & probe)

Conductivity 0 to 499.9 µS/cm 0.1 µS/cm ±0.5% full scale
0 to 4999 µS/cm 1 µS/cm ±0.5% full scale
0 to 49.99 mS/cm 0.01 mS/cm ±0.5% full scale
0 to 200.0 mS/cm 0.1 mS/cm ±0.5% full scale
Salinity 0 to 80 ppt 0.1 ppt ±2% or ±0.1 ppt
Temperature -5 to +95°C 0.1°C ±0.1°C (±1 lsd)