pH Meters and Electrodes Products & Reviews

Record accurate and reliable pH, mV, ORP and temperature measurements with the Thermo Scientific™ Orion Star™ A211 Benchtop pH Meter.  

Get quick, reliable and accurate measurements of dissolved ammonia in aqueous solutions with the Thermo Scientific™ Orion™ Ammonia Gas Sensing ISE Electrode.  

Measure biological media, pharmaceuticals, foods and more with Thermo Scientific™ Orion™ ROSS Ultra™ Refillable pH/ATC Triode™ Combination Electrodes. They are ideal for any application where the use of metallic reference electrodes would contaminate the samples. ROSS Ultra pH/ATC electrodes offer more flexibility, accuracy and precision for your pH measurement needs. With built-in temperature sensors, these electrodes offer…

Measure micro volume samples with the Thermo Scientific™ Orion™ PerpHecT™ ROSS™ Combination pH Micro Electrode. A PTFE protective sleeve over the glass stem provides greater durability than conventional micro pH electrodes and allows pH and temperature measurement of samples in 384 well plates or samples.  

Get stable readings to 0.01 pH in less than 30 seconds with the Thermo Scientific™ Orion™ ROSS™ Combination pH Electrode. This double-junction electrode is TRIS compatible and provides results three to five times more precise than those obtained with conventional electrodes, even in extreme cases of samples varying from one another by 50°C or more. Drift is less than 0.002 pH per day, restandardization is minimized.  

Get results three to five times more precise than those obtained with conventional electrodes with the Thermo Scientific™ Orion™ ROSS™ Combination Rugged Bulb pH Electrode. This instrument provides stable readings to 0.01 pH in less than 30 seconds.  

Get results three to five times more precise than those obtained with conventional electrodes with the Thermo Scientific™ Orion™ ROSS™ Combination pH Electrode. Built to provide stable readings to 0.01 pH in less than 30 seconds. The epoxy body makes this durable electrode ideal for rugged environments. The electrode is accurate even in extreme cases of samples varying from one to another by 50°C or more. Drift is less than 0…

Receive stable readings to 0.01 pH in less than 30 seconds with the Thermo Scientific™ Orion™ ROSS™ Combination Semi-micro pH electrode. The semi-micro tip fits test tubes and helps measure samples as small as 0.2 mL. Results are three to five times more precise than those obtained with conventional electrodes, even in extreme cases of samples varying from one another by 50°C or more. Drift is less than 0.002 pH per day, rest…

Get stable readings to 0.01 pH in less than 30 seconds with the Thermo Scientific™ Orion™ ROSS™ Combination Flat Surface pH Electrode. This electrode measures pH of soft, moist surfaces - both solid and semi-solid - such as agar gel plates, meats, bread dough and similar samples. It's results are three to five times more precise than those obtained with conventional electrodes, even in extreme cases of samples varying from on…

Ideal for pH measurement in semi-solid food material, such as cheese, meat, fruit, bread and other similar samples, calculate results three to five times more precise than those obtained with conventional electrodes with the Thermo Scientific™ Orion™ ROSS™ Combination Spear Tip pH Electrode. This electrode provides stable readings to 0.01 pH in less than 30 seconds, even in extreme cases of samples varying from one another by…