PH Meter ST2200 -F - 30655944 ST2200 is a user-friendly bench meter that clearly displays critical information - with five distinctly marked keys which allow users to operate the instrument with minimal training. Auto buffer recognition and auto-endpoint mode make calibration and measurement simple and ideal for routine pH measurement. The built-in electrode holder provides straightforward and convenient all-in-one operation, while the attached quick guide clearly explains the operating steps. Family Tag Line: Affordable Benchtop pH Meter for Basic Laboratory Applications Family Name: Starter™ 2200 pH Bench Meter Display: 3.5 inch segment LCD with backlight Applications: pH, oxidation-reduction potential (ORP) with Temperature Measurements Construction: ABS housing, mechanical keys, built-in electrode holder Design Features: Auto buffer recognition, two point calibration, electrode condition icon Communication: N/A Family Overview: Designed with a clear, user-friendly interface and the ability to store up to 99 items in its internal memory, the Starter™ 2200 pH bench meter is a reliable and efficient addition to basic laboratories or science classrooms. An affordable, intuitive pH measurement instrument, the StarterTM 2200 pH bench meter also features auto-buffer recognition & auto-endpoint modes that make measurement and calibration simple, straightforward and efficient. Operation: AC adapter (included) Model No.: ST2200-F Measurement Range: 0 – 100°C;0.00 – 14.00 pH;-1999 – 1999 mV Measurement Resolution: 0.1 °C;0.01 pH;1 mV Accuracy ± (mV): Display: LCD with backlight Working Environment: Net Weight: pH accuracy (±): Dimensions: 8.7 in x 3.1 in x 5.6 in (220 mm x 78 mm x 175 mm) (LxHxW) Accuracy ± (Temperature): Parameter: pH / ORP Accuracy: ±0.5 °C;±0.01 pH;±1.5 mV Power: AC Adapter (Included)