Water Quality Equipment
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YSI 556 - Multiprobe System

Rugged, reliable and waterproof, the YSI 556 MPS (Multiprobe System) combines the versatility of an easy-to-use, easy-to-read handheld unit with all the functionality of a multiparameter system.

Featuring a waterproof IP-67, impact-resistant case, the YSI 556 MPS simultaneously measures dissolved oxygen, pH, conductivity, temperature, and ORP. The YSI 556 MPS assists the user in conforming to GLP standards.

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Product Details

• Field-replaceable DO electrode modules; pH and pH/ORP probes
• RS-232 and Compatible with EcowatchTM for WindowsTM data analysis software
• Easy-to-use, screw-on cap DO membranes
• User-upgradable software from YSI website
• Three-year warranty on the instrument; one-year on the probe module and cables
• Available with 4,10, and 20 m cable lengths
• Stores over 49,000 data sets, time and date stamped
• The YSI 556 now comes with the new PE membranes for faster response times and lower stirring dependence.
• Graphing feature to display graphs of parameters over time.
• Multiple language capabilities!
• The unit is powered by alkaline batteries or an optional rechargeable battery pack (YSI Part # 6118) with fast charge feature.
  

Specifications Sheet Download

Operators Manual Download

Manufacturer’s Site: www.ysi.com

YSI 63 - pH/Conductivity/Temp/Salinity

The handheld YSI 63 measures pH, conductivity, salinity and temperature with a single probe.  The YSI 63 has a replaceable, rugged pH electrode. Tough, watertight case withstands the rigors of field work. Built-in storage chamber protects the probe when not in use. A bright, backlit display is easy to read. The YSI 63 pH instrument has memory for up to 50 readings.

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Product Details

• Memory for storage of 50 readings
• Simultaneous readings of pH, conductivity, salinity and temperature
• User replaceable pH electrode
• Large, backlit display
• Weighted probe sinks easily
• Cables come in four lengths, 10, 25, 50 or 100 feet (3, 7.6, 15.2, 30.5m).
• IP-65 water tightness requirements
  

Specifications Sheet Download

Operators Manual Download

Manufacturer’s Site: www.ysi.com

YSI 55 - Dissolved Oxygen/Temp

Field-proven, the YSI 55 DO Instrument measures dissolved oxygen in mg/L or percent saturation. Offering push-button calibration with a built-in calibration chamber, direct salinity, and altitude compensation, the YSI 55 provides simultaneous readings of oxygen and temperature. Dissolved oxygen readings are automatically compensated for temperature.

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Product Details

• Probe is weighted for quick sinking
• Large, easy-to-read backlit display
• Cables are available in 12, 25, or 50 feet lengths (3.7, 7.6 and 15.2m)
• Meets IP-65 water tightness requirements
• Low-battery indicator on the display
  

Specifications Sheet Download

Operators Manual Download

Manufacturer’s Site: www.ysi.com

YSI 85 - Conductivity/Temp/Salinity/Dissolved Oxygen

Featuring breakthrough multiparameter monitoring, the YSI 85 Instrument offers simultaneous dissolved oxygen, conductivity, salinity and temperature measurement. Automatic function verifies that the system is working.

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Product Details

• Data logging in non-volatile memory with identification
• Easy-to-use screw-on cap membranes
• Large, easy-to-read backlit display
• Temperature compensated conductivity
• Autoranging enables fast, convenient conductivity measurement
• Cable lengths are available in 10, 25, 50 or 100 feet (3, 7.6, 15.2, 30.5 m)
• Meets IP-65 water tightness requirements

Specifications Sheet Download

Operators Manual Download

Manufacturer’s Site: www.ysi.com

Oakton 300 Series - pH/Conductivity/TDS/Temp

The microprocessor-based OAKTON waterproof pH/CON 300 meter meets IP67 ratings for dustproof and waterproof ingress protection. Plus, this meter floats! It’s perfect for conditions that ruin ordinary meters. The pH/CON 300 reads pH, conductivity in mV or relative mV, total dissolved solids in ppm and temperature in °F or °C.  Advanced setup mode lets you customize meter parameters, view calibration values for pH and conductivity (TDS), view pH electrode slope for diagnostic purposes, and more.

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Product Details

• Waterproof and dustproof housing (IP67 rating) that floats!
• Reads pH, conductivity, TDS and temperature in °C/°F
• Dual display of measurement plus temperature
• Easy push-button conductivity and pH calibration
• Auto-ranging for conductivity measurements; Auto-buffer recognition for pH calibration
• Features selectable automatic endpoint display to "hold" reading when it is stable for more than five seconds
• Selectable Manual or Automatic Temperature
• Compensation with separate temperature readout
• Easy to clean housing
• Hold function; "Ready" indicator; Error messages; Auto-off function

Specifications Sheet Download

Operators Manual Download

Manufacturer’s Site: www.4oakton.com

Oakton 300 Series - pH/DO/Temp

The microprocessor-based OAKTON waterproof pH/DO 300 meter meets IP67 ratings for dustproof and waterproof ingress protection.  The pH/DO 300 reads pH, dissolved oxygen in mg/l and temperature in °F or °C.  Advanced setup mode lets you customize meter parameters and view calibration values and electrode slope for both pH and Dissolved Oxygen for diagnostic purposes. All functions are accessible from the waterproof keypad.

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Product Details

• Waterproof and dustproof housing (IP67 rating) that floats!
• Toggle between Dissolved Oxygen/°C and pH/°C readings
• Easy push-button Dissolved Oxygen and pH calibration
• Auto-ranging for Dissolved Oxygen measurements; Auto-buffer recognition for pH calibration
• Features selectable automatic endpoint display to "hold" reading when it is stable for more than five seconds
• °C/°F selectable
• Selectable Manual or Automatic Temperature
• Compensation with separate temperature readout
• Easy to clean housing
• Hold function; "Ready" indicator; Error messages; Auto-off function

Specifications Sheet Download

Operators Manual Download

Manufacturer’s Site: www.4oakton.com

Oakton pH/Con 10 Meter - pH/Conductivity/Temp

The waterproof pH/CON 10 meter floats, so there’s no need to worry if you drop your meter into a pond or tank. It includes a submersible multi-sensor probe that takes readings in pH, conductivity, and °C. Meter includes a versatile multi-sensor probe—there’s no need to switch probes when you switch measurement modes. Three point pH calibration with auto buffer recognition and 4 point conductivity calibration (one per range) provide high accuracy. Features include water-resistant membrane keypad, Auto-off, Hold, and ready indicator.

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Product Details

• New, improved probe design gives faster response time
• Switch from conductivity to pH at the press of a button
• Replaceable multi-sensor probe with 10 ft submersible cable
• Dual display of pH (or conductivity) plus temperature
• Push-button conductivity and pH calibration
• Automatic Temperature Compensation (ATC)

Specifications Sheet Download

Operators Manual Download

Manufacturer’s Site: www.4oakton.com