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.
pH, oxidation-reduction potential (ORP), conductivity, dissolved oxygen (DO), salinity, total dissolved solids (TDS), temperature measurement
Liquid crystal display (LCD) display with secondary information line (on select models)
4 1.5V batteries (included)
Easily replaceable electrodes, automatic shut off feature
Small, economical pen meters offer simple, fast, and straightforward operation.
With durable IP67 waterproof ABS housing, protective sensor cap, and an automatic shutdown feature that preserves battery life, OHAUS pen meters can endure consistent use in rough, wet environments.
Equipped with a wrist strap to prevent accidental drop and damage.
0 – 1999 μs/cm
Yes, After 6 minutes of non-use
200 Hours with Disposable Batteries
|Conductivity accuracy (±)||
|Conductivity measuring range||
0 – 1999 µS/cm
7.28 in x 1.5 in x 1.77 in (185 mm x 38 mm x 45 mm) (HxLxW)
3.88 oz (110 g)
|Number of Buttons||
4 AG13 Batteries (Included)
50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85%RH, non-condensing)
There are no reviews yet