1198F01: TruLine pH 15; pH electrode with temperature, single-junction, 3 in 1, refillable, glass shaft with 1-m cable, BNC connector, 1 banana plug, NTC 30 kOhm. Dimensions = 120 mm length; 12 mm OD. 1198F02: TruLine pH 17; pH electrode no temperature, single-junction, combination,…

The EcoSense ® pH10A pen-style instrument provides an ultimate feature set over similar competitive models. The pH10A features an easy-to-use graphic interface, simple one-hand operation, memory, and low cost of ownership over the life of the product. The easy, user-replaceable electrode…

Replaceable cap membrane Removable stirring mechanism Interchangeable design Simplifies measurement operations Use with standard 300 mL BOD bottles; no need for external stirring devices. Improved membrane life assures measurement consistency and speeds maintenance. Probe accuracy…

Zobell Solution is used for calibrating ORP/Redox on several YSI instruments. A convenient temperature chart with corresponding ORP values is included for simple calibration value inputs. Concentrated powder makes 125, 250, or 500mL of calibration standard.

Handheld dissolved oxygen instrument for the lab or field! 3-year instrument; 2-year cable warranty User-replaceable cables and sensors. Choose polarographic or galvanic for the field or a self-stirring BOD probe for the lab One Touch Cal allows easy DO calibrations within 3 seconds…

Smart sensor retains calibration in the probe User-replaceable, low-maintenance sensor with +1-year life 2-year warranty; reliable and serviceable, design reduces cost-of-ownership and reduces down-time Probe body tapered to fit into a standard 300 mL BOD bottle and international versions …

Includes bottle of electrolyte, 1 sanding disc, and 6 screw-on cap membranes. 1.25 mL PE membranes.  Yellow cap. Response Time (T95 - from 0 to 100%) = 8 seconds Flow Dependence After 4 Minutes = 25% Required Flow Rate = 6 inches/second

Easy user-replaceble sensor allows for quick sensor replacements if needed.  No tools necessary.  Measure pH quickly and easily with the 1001 sensor Use with the Professional Plus instrument Cables must be ordered separately One-year manufacturer’s sensor warranty

Thomas No. 1165W08 Manufacturer calibration certificate for new devices, Manufacturer calibration certificate for new piston burettes and titrators. Thomas No. 1165W09 Magnetic stirrer, for glass vessels up to maximale 500 ml, speed can be adjusted without discrete steps 0 - 1000 min-1,…

The EcoSense® line of compact, handheld instruments provides the most accurate data in the most affordable format. The instruments feature an easy-to-use interface, one-hand operation, IP67 waterproof case, and low cost of ownership over the life of the product. The DO200A simultaneously…

Galvanic DO Sensor for use with Professional Plus and Pro20 instruments. Easy user-replaceble sensor allows for quick sensor replacements if needed Comes with six membrane caps and bottle of solution

Various pH buffers for pH probe calibration. Buffer cases are available with a single buffer type or with an assortment of buffers (2 pints of pH 4, 7, and 10 buffers).

Model 5739 (7230R35) Screw-apart construction lets you quickly change from one cable length to another Ability to replace either probe or cable without replacing the entire assembly Pressure compensation, temperature compensation, built-in weight, long-life, polarographic…

The 556 MPS handheld instrument has been discontinued. YSI will continue to support existing 556’s through 2020. The Professional Plus (Pro Plus) or ProDSS handheld instruments are suitable replacements. Versatile, multi-parameter hand-held instrument Measures…