Accurate Electrochemistry Measurement At Your Fingertips

Starter pen meters provide what should be expected of a small, economical pen meter: simple, fast, straightforward, no-frills operation time and time again. With durable ABS housing, a protective sensor cap, and automatic shutdown feature that preserves battery life, Starter pen meters can endure consistent use in rugged environments.

Equipped with a wrist strap that prevents unintentional dropping, Starter pen meters are feature an IP67 waterproof design that can prevent water damage when dropped in to liquid. After more than a century of perfecting the art of measurement through our durable weighing products, OHAUS precision is now available in a line of pen meters that provide accurate measurement of pH, oxidation-reduction potential (ORP), conductivity, salinity, and total dissolved solids (TDS). Starter pen meters are the economical option when you are simply looking for meters that will provide accurate measurement without restriction.

Portable ORP Measurement

ST20R can bring measurement of ORP virtually anywhere the need for measurement of the availability of electrons in a liquid exist. The ST20R provides almost instantaneous results and offers the ability to hold the reading right on the display to provide additional time for data logging.

Model	ST20R			ST10R
Range	-1000mV - 1000mV			-1000mV - 1000mV
Resolution	1mV			1mV
Accuracy	2mV			2mV
Temperature Range	0.0 - 99.0°C			N/A
Temperature Compensation	Yes			N/A
Display	Dual			Single
Calibration	N/A			N/A
Automatic Shutdown	6 Minutes of Non-Use			6 Minutes of Non-Use
Battery	4 AG13 1.5V Micro Alkaline Batteries			4 AG13 1.5V Micro Alkaline Batteries
Size/Weight	185 x 45 x 38 mm 110g			185 x 45 x 38 mm 110g

more info Ohaus R20 ST Starter Series Replacement ST20R Electrode more info Price: $114.40 In Stock Accurate Electrochemistry Measurement At Your Fingertips Starter pen meters provide what should be expected of a small, economical pen meter: simple, fast, straightforward, no-frills operation time and time again. With durable ABS housing, a protective sensor cap, and automatic shutdown feature that preserves battery life, Starter pen meters can endure consistent use in rugged environments. This is a replacement R10 ST electrode that is compatible with the Ohaus ST10R Starter Series Water ORP Analysis Pen Meter