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.

Meter Type	pH
Measurement Range	0.00 – 14 pH; 0.0 – 99.0 °C
Accuracy	± 0.05 pH / ± 0.5 °C
Measurement Resolution	0.01 pH
Display	LCD
ATC	Yes
Temperature Compensation	Automatic
Accuracy ± (Temperature)	0.5 °C
Automatic Shutdown	Yes, After 6 minutes of non-use
Battery Life	200 Hours with Disposable Batteries
Calibration	3 Point
Dimensions (HxLxW)	7.28 in x 1.5 in x 1.77 in (185 mm x 38 mm x 45 mm)
Measurement Range (Temperature)	0 °C – 99 °C
Net Weight	3.88 oz (110 g)
Number of Buttons	3
pH accuracy (±)	0.05
pH measuring range	0 – 14
Power	4 AG13 Batteries (Included)
Protection Rating	IP67
Temperature Display	Yes
Temperature Range	0 °C – 99 °C
Temperature Sensor	50 KΩ NTC
Working Environment	50°F – 104°F, 85%RH, non-condensing (10°C – 40°C, 85%RH, non-condensing)
Wrist Strap	Yes