Hydrofluoric Acid-Resistant Online pH Sensor

Featuring a specialized desulfurization gel, this electrode is ideal for stable pH monitoring in desulfurization processes and limestone slurry.

Model： ASP124E
Measuring Range： 0~14 pH
MOQ： 1
Price： Contact

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Overview

Information

Measuring Range: 0~14pH
Indicator Electrode: Cylindrical glass membrane
Reference System: Ag/AgCl, double junction

Work Process

Working Temperature: 0~80℃
Working Pressure: 0~6Bar

Features

Special Cylindrical HF-resistant Glass Membrane

Adopts exclusive cylindrical glass sensing membrane specially formulated against hydrofluoric acid corrosion. The online pH sensor can withstand HF concentration up to 4000ppm, solving the problem that ordinary glass pH electrode get quickly etched and failed in HF-containing wastewater.
Dot Ceramic Sand Core Diaphragm

Dot ceramic diaphragm provides stable reference potential, reduces contamination ingress and minimizes junction potential drift. It delivers consistent and reliable signals for continuous online measurement in corrosive HF wastewater.
Universal PG13.5 Thread Mounting

Standard PG13.5 thread design, compatible with various flow cells, immersion holders and industrial pipe fittings. Easy installation and replacement for online pH monitoring in harsh industrial etching and wastewater treatment processes.

Application

ASP124E is a specialized industrial pH sensor designed for measuring water containing hydrofluoric acid. With unique HF-resistant cylindrical glass membrane, it offers dependable pH readings for wastewater from electronics manufacturing, semiconductor wafer processing, glass production and photovoltaic industry. It is widely used for online continuous pH monitoring of HF-containing etching wastewater and effluent treatment in these corrosive process lines.

Applicable Scenarios

Water & Wastewater
Aquaculture
Energy & Power Generation
Food & Beverage
Agriculture & Hydroponics
Plating

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Sensor Model	ASP124E
Digital or Analog	Analog
Measuring Range	0～14pH
Indicator Electrode	Cylindrical glass membrane
Reference System	Ag/AgCl reference electrode, double salt bridge
Reference Electrolyte	KCl Gel
Diaphragm	Ceramic
Refillable Electrolyte	No
Sensor Material	Glass
Operating Temperature	0～80 ℃
Operating Pressure	0～6 bar
Temperature Sensor	Integrated cable: No temperature sensor or PT1000 S8 connector: No built-in temperature sensor VP connector: PT1000
Recommended Solution Flow	0.5 m/s ≥ flow rate ≥ 0.001 m/s
E0	±0.25pH(25℃)
Slope	>95% (25℃)
Sensor Dimension	Diameter: 12mm, Shaft length: 120mm
Process Connection	PG13.5
Cable Connector	integrated or separable: S8/VP
Cable Length	5m as standard, Customizable up to 60m
Model Family	ASP120E

Hydrofluoric Acid-Resistant Online pH Sensor