Description
IoniProbe pH FLAT Flat pH electrodeProduct Type: Electrochemistry Electrode
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For model selection, accessory matching, platform compatibility or configuration confirmation, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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This electrode is designed for flat surface pH measurements and requires specific compatibility checks. The non-refillable gel reference and temperature compensation limitations impose operational constraints.
- Measurement Range Constraint: The electrode operates within 0-14 pH and 0-60 °C; exceeding these ranges may cause irreversible damage or inaccurate readings.
- Reference Solution Constraint: The internal reference is 3 mol KCl gel which is non-refillable, so the electrode must be replaced when the gel dries or is depleted.
- Application Fit Constraint: The flat tip is optimized for surface measurements on solid or semi-solid samples and is not intended for immersion in liquid samples.
- Temperature Compensation Constraint: Temperature compensation is only available if the configuration includes a 10K thermistor; otherwise, manual temperature correction is required for accurate readings.
- Body Material Compatibility: The plastic body requires verification of sample medium compatibility before use, particularly with organic solvents or aggressive chemicals.
How does the non-refillable 3 mol KCl gel reference solution affect long-term measurement consistency compared to refillable electrodes?
The non-refillable 3 mol KCl gel reference is a sealed, maintenance-free design that eliminates refill errors but offers a finite service life; once the gel dries or depletes, the entire electrode must be replaced. This trade-off removes the need for periodic refilling but means the measurement consistency cannot be restored by refreshing the electrolyte, unlike refillable electrodes. For applications requiring extended continuous use, the 0–60 °C temperature range and absence of built-in temperature compensation (10K only if configured) may also affect accuracy over time.
What type of sample surfaces are compatible with the flat pH electrode, and does the BNC interface limit connectivity to specific meters?
The flat tip is designed exclusively for soft or semi-solid surfaces including skin, paper, fabric, culture dishes, and other flat samples—it is not intended for immersion in liquid. The BNC connector is a standard analog interface used on most commercial pH meters, but compatibility should be confirmed, especially if the meter expects a different connector or requires an integrated temperature probe. The 12 mm diameter and 110 mm length require adequate clearance for surface placement.
What specific handling procedures are required to obtain accurate pH readings on dry or low-moisture surfaces with the flat electrode?
Accurate readings depend on establishing a continuous electrolyte bridge between the flat sensing bulb and the surface. For dry substrates such as paper or fabric, the surface must be lightly moistened with deionized water or a compatible wetting solution before measurement. The electrode should be held perpendicular with gentle, even pressure to avoid air gaps, and the non-refillable 3 mol KCl gel reference must be kept hydrated by storing the electrode in storage solution when not in use. Avoid using on hard, uneven, or abrasive surfaces to prevent damage to the flat glass membrane.
Flat pH electrode optimized for surface and semi-solid sample pH measurement, with a non-refillable gel reference and optional temperature compensation.
Positive
- Flat electrode for surface samples: Designed for pH measurement on flat surfaces, skin, paper, fabric, and culture dishes, enabling analysis in applications where conventional bulb electrodes cannot be used.
- Broad pH and temperature range: Covers 0-14 pH and 0-60 °C, accommodating a wide variety of aqueous and biological surface measurement conditions without additional sensors.
Trade-offs
- Non-refillable gel reference: The 3 mol KCl gel reference is sealed and non-refillable, limiting the electrode service life and requiring full replacement once the gel is exhausted or contaminated.
- Temperature compensation not standard: Internal 10K temperature compensation is only available when explicitly configured; otherwise, measurements at varying temperatures may require external correction or calibration.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
