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YSI
MODEL 550A - FASTER RESPONSE TIMES!
Looking for
a rugged, field worthy instrument for measuring dissolved oxygen? The YSI 550A DO features a waterproof, impact resistant case and innovative field replaceable DO electrode modules. Measures dissolved oxygen and temperature simultaneously using YSI's proven polarographic technology for oxygen and YSI PrecisionTM
thermistors, the worldwide standard for accuracy.
The YSI 550A DO has
a built-in calibration chamber, direct salinity and altitude compensation.
The instrument provides simultaneous readings of oxygen and temperature.
Dissolved oxygen readings are automatically compensated for temperature.
- Waterproof! Meets IP67 specifications

- Field-replaceable DO electrode modules
- Over 2000 hours battery life
- Calibrate in either mg/L or % saturation
- User-selectable temperature units (°C or °F)
- Easty-To-Use back lit display
- Three year warranty on the instrument and one year on the DO module!
- Automatic push button calibration
- Please call for pricing...
| Part # |
Description |
Ship Weight (lbs.) |
| YSI5501 |
550A Meter w/12' cable |
7 |
| YSI5502 |
550A Meter w/25' cable |
10 |
| YSI5505 |
550A Meter w/50' cable |
13 |
| YSI55100 |
550A Meter w/100' cable |
20 |
| YSI08 |
Membrane Kit |
1 |
| YSI559 |
Replacement Probe |
1 |

YSI 55 DISSOLVED OXYGEN INSTRUMENT
The field proven YSI 55 meter is our best selling oxygen
monitor!
- Displays dissolved oxygen in mg./L or % oxygen and temperature
simultaneously
- Large, back-lit display is easy to read in any lighting
condition
- Waterproof and if floats (just in case!)
- Built-in altitude and salinity compensation
- Fast sinking probe is made from stainless steel
- Operates over 300 hours on six AA batteries (included)
- Super easy push button calibration
- Please call for pricing...
| Part # |
Description |
Ship Wt (lbs.) |
| YSI 5512 |
Meter w/12' cable, probe |
5 |
| YSI 5525 |
Meter w/25' cable, probe |
6 |
| YSI 5550 |
Meter w/50' cable, probe |
7 |
| YSI 5775 |
Membrane Kit (30) w/KCL solution |
1 |
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YSI MODEL
85
Measure salinity, conductivity, oxygen and
temperature readings simultaneously!
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The YSI
Model 85 is a rugged, micro processor based meter that
features a multi parameter probe allowing the user to
take four water quality measurements at the same time!
- Large bracket
display for easy reading in any light
- Nonvolatile memory
holds 50 data sets
- Screw on cap
membranes are easy to install
- Automatic salinity
and temperature compensation
- Internal check
verifies system is working correctly
| Measurement Ranges: |
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D.O. Range |
0-20 mg./L, 0 - 200% saturation |
| Conductivity |
0-499.0 ms/cm, 0-49999 ms/cm, 0-49.99 ms/cm, 0-200 ms/cm |
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Salinity |
0-80 ppt |
| Temperature |
-5 to 65° C |
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| Part # |
Description |
Ship Weight (lbs.) |
| YSI8510 |
Meter w/10' cable, probe |
4 |
| YSI8525 |
Meter w/25' cable, probe |
5 |
| YSI8550 |
Meter w/50' cable, probe |
6 |
| YSI85100 |
Meter w/100' cable, probe |
8 |
| YSI5906 |
Membrane Kit (6) |
1 |
The YSI
DO2000 IS DESIGNED FOR QUICK, ACCURATE OXYGEN AND TEMPERATURE
READINGS!
Copyright 2006. Stoney Creek Fisheries & Equipment Inc. All
rights reserved.
** This website is for informational purposes only. All prices
are subject to change.**
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