Industry-Verified Manufacturing Data (2026)

pH Monitoring Probe

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard pH Monitoring Probe used in the Leather and Related Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical pH Monitoring Probe is characterized by the integration of Glass Electrode and Reference Electrode. In industrial production environments, manufacturers listed on CNFX commonly emphasize Glass electrode construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A sensor device used to measure and monitor the pH level in a deliming bath solution.

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Product Specifications

Technical details and manufacturing context for pH Monitoring Probe

Definition
The pH Monitoring Probe is a critical component of the deliming bath system in leather processing. It continuously measures the acidity or alkalinity (pH level) of the bath solution, which is essential for controlling the deliming process where lime is removed from hides. Accurate pH monitoring ensures optimal chemical activity, prevents damage to the leather, and maintains consistent product quality.
Working Principle
The probe operates using a glass electrode that generates a voltage proportional to the hydrogen ion concentration in the solution. This voltage is measured against a reference electrode, converted to a pH value through the Nernst equation, and transmitted to a monitoring or control system.
Common Materials
Glass electrode, Reference electrolyte, Stainless steel housing, Epoxy resin seal
Technical Parameters
  • Measurement range typically 0-14 pH with accuracy of ±0.01-0.1 pH depending on probe quality (pH) Standard Spec
Components / BOM
  • Glass Electrode
    Senses hydrogen ion concentration and generates corresponding voltage
    Material: pH-sensitive glass bulb
  • Reference Electrode
    Provides stable reference potential for measurement comparison
    Material: Silver/silver chloride with potassium chloride electrolyte
  • Electrode Body
    Protects internal components and provides structural integrity
    Material: Chemical-resistant plastic or stainless steel
  • Junction
    Allows ionic contact between reference electrolyte and sample solution
    Material: Ceramic, PTFE, or glass fiber
  • Cable Connector
    Transmits electrical signals to monitoring equipment
    Material: PVC or polyurethane with copper conductors
Engineering Reasoning
0-14 pH at 0-85°C, 0-10 bar pressure
Glass membrane dissolution at pH <2 or >12, reference electrode KCl depletion at 0.1M concentration threshold
Design Rationale: Hydrogen ion exchange equilibrium disruption at glass membrane-solution interface due to extreme pH causing silicate network breakdown
Risk Mitigation (FMEA)
Trigger Electrolyte contamination by sulfide ions exceeding 0.01M concentration
Mode: Ag/AgCl reference electrode poisoning causing +50mV potential drift
Strategy: Double-junction reference electrode with KNO3 salt bridge isolation
Trigger Glass membrane mechanical stress from 15G shock loading
Mode: Hydrated gel layer fracture causing 0.5pH/min measurement drift
Strategy: Anti-vibration mounting with 5Hz natural frequency isolation

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for pH Monitoring Probe.

pH probe for leather deliming bath deliming bath pH sensor leather manufacturing industrial pH electrode for leather processing stainless steel pH probe deliming solution pH monitoring system leather tanning

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Deliming Bath
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0-10 bar (0-145 psi)
flow rate: 0-2 m/s (0-6.6 ft/s)
temperature: 0-80°C (32-176°F)
slurry concentration: 0-30% solids by weight
Media Compatibility
✓ Deliming bath solutions (acidic/alkaline) ✓ Industrial wastewater treatment ✓ Chemical process streams
Unsuitable: Hydrofluoric acid or highly abrasive slurries
Sizing Data Required
  • Process pH range (e.g., 1-14)
  • Required accuracy and resolution (±0.01 pH)
  • Installation type (in-line, submersion, or flow-through)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Reference electrode poisoning
Cause: Contamination from process fluids, sulfides, or heavy metals that deplete the electrolyte or clog the reference junction, leading to inaccurate or drifting pH readings.
Glass membrane degradation
Cause: Chemical attack from highly alkaline solutions (pH > 12) or hydrofluoric acid, or mechanical damage from abrasive particles or improper handling, causing slow response, calibration drift, or complete failure.
Maintenance Indicators
  • Slow response time during calibration or process checks (e.g., taking minutes instead of seconds to stabilize)
  • Unstable or drifting readings despite calibration, or readings stuck at a fixed value (e.g., pH 7)
Engineering Tips
  • Implement regular cleaning and calibration schedules using appropriate solutions (e.g., mild acid for scale, enzyme cleaners for organic fouling) and store the probe in proper storage solution when not in use.
  • Use protective guards or flow cells to shield the probe from direct abrasion or high-pressure streams, and select probe materials (e.g., specialized glass for high alkalinity) compatible with the process fluid chemistry.

Compliance & Manufacturing Standards

Reference Standards
ISO 17025:2017 - General requirements for the competence of testing and calibration laboratories ASTM E70-19 - Standard Test Method for pH of Aqueous Solutions with the Glass Electrode IEC 61010-2-101:2018 - Safety requirements for electrical equipment for measurement, control, and laboratory use - Particular requirements for in vitro diagnostic (IVD) medical equipment
Manufacturing Precision
  • pH Accuracy: +/- 0.02 pH units at 25°C
  • Response Time: 95% of final reading within 30 seconds
Quality Inspection
  • Calibration Verification against NIST-traceable buffer solutions
  • Electrode Impedance and Slope Testing

Factories Producing pH Monitoring Probe

Verified manufacturers with capability to produce this product in China

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✓ 97% Supplier Capability Match Found

P Project Engineer from Canada Jan 17, 2026
★★★★★
"Great transparency on the pH Monitoring Probe components. Essential for our Leather and Related Product Manufacturing supply chain."
Technical Specifications Verified
S Sourcing Manager from United States Jan 14, 2026
★★★★★
"The pH Monitoring Probe we sourced perfectly fits our Leather and Related Product Manufacturing production line requirements."
Technical Specifications Verified
P Procurement Specialist from United Arab Emirates Jan 11, 2026
★★★★★
"Found 43+ suppliers for pH Monitoring Probe on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

6 sourcing managers are analyzing this specification now. Last inquiry for pH Monitoring Probe from UAE (1h ago).

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Frequently Asked Questions

Why is pH monitoring important in leather deliming baths?

Accurate pH measurement ensures proper deliming, which removes lime from hides after liming. Incorrect pH can lead to incomplete deliming, affecting leather quality, causing grain damage, or hindering subsequent tanning processes.

How does the stainless steel housing benefit the pH probe in leather manufacturing?

The stainless steel housing provides corrosion resistance against harsh deliming chemicals (like ammonium salts or acids), ensures mechanical durability in industrial environments, and allows easy cleaning to prevent contamination between batches.

What maintenance is required for this pH probe in deliming applications?

Regular calibration with pH buffers, cleaning of the glass electrode and junction to remove protein or chemical deposits, and periodic refilling of the reference electrolyte to maintain accuracy in high-ionic-strength deliming solutions.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Leather and Related Product Manufacturing sector.

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