Extech PH100 Waterproof ExStik pH Meter

Extech PH100 Waterproof ExStik pH Meter Features • RENEW feature that tells you when it’ s time to replace your pH electrode • CAL feature that tells you when it’ s time to recalibrate your meter • Flat Surface pH electrode that is completely waterproof and rugged enough to withstand harsh environments • Analog bargraph originates at neutral point ( pH 7.00) to conveniently view trends in acidity or alkalinity • ATC plus measures Temperature • 1, 2 or 3 point calibration Description Built-in Smart chip offers advanced functions and features to a stick style pH meter not found anywhere else. Specifications General • Display Multifunction : LCD with Bargraph • Operating conditions : 32 to 122° F ( 0 to 50° C) / < 80% RH • pH Range and Accuracy : 0.00 to 14.99 / ± 0.01pH typical • Temp. Compensation : Automatic from 32 to 194° F ( 0 to 90° C) • Compensation Accuracy : ± 0.9° F ( 0.5° C) • ORP Range / Accuracy : ± 999mV / ± 4mV • Temperature Range : 23 to 194° F ( -5 to 90° C) • Temperature Resolution : 0.1° up to 99.9 then 1° thereafter • Temperature Accuracy : ± 1.8° F / 1° C [ from 23 to 122° F ( -5 to 50° C) ] ± 5.4° F / 3° C [ from 122 to 194° F ( 50 to 90° C) ] • Measurement storage : 15 tagged ( numbered) readings • Power : Four ( 4) SR-44 button batteries ( See note on page 6) • Low battery indication : ‘ BAT’ appears on the LCD • Auto power off : After 10 minutes of inactivity • Battery Life : 200 to 400 tests, assuming test time of < 10 minutes and use of SR44 silver oxide batteries. Use of LR44 alkaline will reduce battery life.