HANNA HI-98129 pH pen Type Meter

Automatic one or two point calibration ( requires pH and EC/ TDS calibration solutions sold separately) . Meter is waterproof and it floats. Dual line LCD displays pH and temperature. Unique renewable cloth electrode junction - when clogged, simply pull a short length out, snip off old section, and expose fresh material.
* Ranges:
o EC 0 to 3999 µ S/ cm.
o TDS 0 to 2000 ppm.
o pH 0.00 to 14.00.
o Temp 0.0 to 60.0 ° C ( 32.0 to 140.0 ° F) .
* Resolution:
o EC 1 µ S/ cm.
o TDS 1 ppm.
o pH 0.01
o Temp 0.1 ° C or 0.1° F.
* Accuracy ( @ 20 ° C) :
o EC/ TDS ± 2% F.S.
o pH ± 0.05.
o Temp ± 0.5 ° C or ± 1 ° F.
* Temp. Compensation:
o pH: automatic
o EC/ TDS: with ß = 0.0 to 2.4% / ° C.
* Calibration:
o pH: Automatic 1 or 2 point w/ 2 sets of memorized buffers.
o EC/ TDS: Automatic at 1 point.
* EC/ TDS Conversion factor: 0.45 to 1.00 ( CONV) .
* Environment: Use meter from 0 to 50° C ( 32 to 122 ° F) ; RH 100%
* Battery Type/ Life: 4 x 1.5V w/ Battery error prevention system/ 100 hours.
* Auto Shut-off: After 8 minutes.
* LCD: Custom, dual-level.
* Casing: Waterproof, 100% buoyancy.
* Stability indicator: Illuminates when reading is stable.
* Dimensions: 163 x 40 x 26mm ( 6.4 x 1.6 x 1.0 inches) .
* Weight: 85g ( 3.0oz).

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