Optical Dissolved Oxygen Sensor PS-2196


High-Accuracy Drop Counter PS-2117


Includes Drop Dispenser and Micro Stir Bar plus a stainless steel sensor rod for easy attachment to a ring stand.


Also available:


Optical Dissolved


Oxygen Sensor Metal Guard


The stainless steel metal guard protects the probe tip from damage and weighs down the probe for making


measurements at depth. PS-2588


Optical Dissolved Oxygen Sensor Cap


This replacement sensor cap has a 12-month warranty. PS-2587


PASCO’s Optical Dissolved Oxygen Sensor makes it easier than ever before to measure dissolved oxygen in the field or in a lab environment. The luminescent technology has several advantages over a galvanic dissolved oxygen sensor, including:


A There is no warm-up time. A No calibration is required


A It is low maintenance (no filling solution and electrode polishing).


A There is a built-in temperature and pressure compensation


SPECIFICATIONS: Cable Length: 3 m


Response Time: 90% in 25 sec Operating Temperature: 0–50°C Operating Pressure: 375–825 mmHg Range: 0–20 mg/L or 0–300% saturation


Accuracy: ±0.6 mg/L or ±3.0% out of box ±0.1 mg/L or ±1.0%, whichever is greater after calibration Above 200% ± 10%


Integrated probe-management makes titration setup a snap.


The Micro Stir Bar maintains a con- stant flow of solution over the end of an electrode, such as the pH and Conductivity probes. For use with a standard magnetic stir plate and cylindrical probes of about 13 mm diameter.


THE TEACHING ADVANTAGE


A Magnet is completely sealed to prevent damage from chemicals


A Allows study of solutions in micro-quantities


Perform simultaneous pH, conductivity, and temperature titrations using the Wireless pH Sensor and the Drop Counter.


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Magnetic Stirrer SE-7700


Includes stir bar, removable rod and power adapter.


Also available: Drop Dispenser PS-6935


A great sensor for experiments where every drop counts—literally. Use the Drop Counter in tandem with our pH Sensor to accurately determine the equivalence point in an acid–base titration. It works equally well with large or small, fast or slow drops.


THE TEACHING ADVANTAGE


A IR filter assures accurate counts because room lighting cannot affect results


A Sensor unit can suspend up to three other probes in solution, simplifying many experiments


A Wider drop window (18x13mm) means better drop detection and easier alignment with burettes


Also available: Micro Stir Bar (5 pack) PS-2565


The Stir Station is a “must-have” piece of lab equipment. The white top makes it easier to distinguish solution color changes.


Micro Stir Bar (5-Pack) PS-2565


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