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21639-071  pH Meter 0-14 x 0.01 Resolution
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  • /media/19247/19247_1.jpg21639-071  pH Meter 0-14 x 0.01 Resolution
Item# 21639-071

21639-071 pH Meter 0-14 x 0.01 Resolution


$102.00 / each

Product Description

Range = 0.00–14.00
Resolution = 0.01pH
Accuracy = 0.05pH
Temperature Range = 0.0-99.0C
Temperature Compensation = Yes
Display = Dual
Calibration = 3 point
Buffer Group = 4.01, 7.00, 10.01
Automatic Shutdown = 6 Minutes of Non-Use
Battery = 4 AG13 1.5V Micro Alkaline Batteries
Size/Weight = 185 × 45 × 38 mm, 110 g
Ohaus Part No. ST20


The 21639-071 is a convenient way to measure pH, or the relative acidity or alkalinity of a sample at a given temperature. The pH meter can be completely operated with just one hand, freeing up your other hand to handle samples. Standard Features Include: • Simple Operation in a Slim and Portable Design—Starter pen meters provide what should be expected of a small pen meters: simple, fast, straightforward, no-frills yet highly accurate operation time and time again. • Durably Constructed to Withstand Wear and Tear Resulting from Repetitive Use— With durable plastic housing, a protective cap that safeguards the sensor and an automatic shutdown feature to preserve battery life, the Starter pen meters can endure consistent use in rugged environments. • Waterproof Housing Protects the Meters in their Working Environment— Equipped with a wrist strap that helps to prevent unintentional dropping, Starter pen meters are constructed with an IP67 waterproof design that can prevent water damage when accidentally dropped into liquid.