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Product descriptions from the supplier
Overview
Specification:

Scope holder: 83mm

Vertical Post Height:305mm

Vertical Post Dia.: 32mm

Base Dimensions:320x305x16mm

Coarse/Fine Focus Type: Coarse Focus

Travel Distance:50mm

Center Distance from the Hole to the Scope Holder: 150mm

Net weight: 3.25kg (17.37lbs)

Dimensions: 320x305x474mm

stand alone gas alarm
LCD display
110-220v

The P6 series are handheld portable waterâ??quality meters manufactured by Shanghai Yoke Instrument Co., Ltd. The product line includes 6 modular models: P611(pH/mV), P612(Conductivity/TDS/Salinity/Resistivity),
P613(pH+Conductivity multiâ??parameter),
P614(Dissolved Oxygen)
P615(pH+DO)
P616(Conductivity+DO).
Equipped with large controllableâ??backlight LCD screen and builtâ??in highâ??performance microprocessor chip.
Intelligent functions include autoâ??calibration, ATC automatic temperature compensation, 200â??sets data storage, selfâ??diagnosis, auto powerâ??off and lowâ??voltage warning.
IP57 dustâ??proof & waterproof housing for field outdoor operation.
Powered by 2�?AA 1.5V batteries, lightweight (360g) with foldable stand for lab or onâ??site work.
pH models support autoâ??recognition of 25 buffer solutions (EUâ??USA / NIST / China standards), supporting 1â??2â??3â??point calibration. Conductivity models autoâ??recognize 8 standard solutions, support electrode constants 0.1 /1 /10 cmâ?»�¹, switch between Conductivityâ??TDSâ??Salinityâ??Resistivity.
DO polarographic electrode supports salinity compensation & manual barometric pressure compensation, short polarization time of only 3â??5 minutes.