Hanna HI99181 Skin pH Portable Meter – Precise pH Measurement for Dermatology, Cosmetics, and Skincare Formulations
The Hanna HI99181 Skin pH Portable Meter is a portable, waterproof pH and temperature meter designed specifically for measuring the pH of human skin, making it ideal for applications in cosmetic testing, dermatological research, personal care formulation, and clinical studies.
This device provides fast and accurate pH readings using the HI1414D/50 pre-amplified pH electrode, specially adapted to perform well on low-moisture, soft, and protein-rich surfaces such as skin. The device ensures non-invasive, hygienic testing in both laboratory and in-field environments.
Key Features
Tailored for Skin and Surface pH Measurement
Ideal for testing skin pH balance, topical treatment compatibility, cosmetic product effect, and dermal patch response
Used in dermatology, cosmeceutical development, and clinical trials
Specialized pH Electrode with Temperature Sensor
HI1414D/50 pre-amplified probe features:
Open junction to reduce clogging from oils or lotions
Glass body for precision and chemical resistance
Built-in temperature sensor for automatic temperature compensation
DIN connector and 1 m cable
Accurate and Stable Performance
pH Range: –2.00 to 16.00
Resolution: 0.01 pH
Accuracy: ±0.02 pH
Temperature Range: –5.0 to 105.0 °C (23 to 221 °F)
Accuracy: ±0.5 °C (up to 60 °C)
Automatic Temperature Compensation (ATC)
Ensures accurate readings even when measuring warm or cool skin
Quick Calibration Options
Automatic one or two-point calibration
Compatible with Standard buffers (4.01 / 7.01 / 10.01) or NIST buffers (4.01 / 6.86 / 9.18)
Compact, Portable & Waterproof
Lightweight with IP67 waterproof housing
Designed for field use, clinics, or formulation labs
Long Operating Time
Powered by 3 x AAA batteries
Up to 1200 hours of continuous use
Auto shut-off after 8 minutes of inactivity to preserve power
Technical Specifications
| Parameter | Details |
|---|---|
| pH Range | –2.00 to 16.00 pH |
| pH Resolution | 0.01 pH |
| pH Accuracy | ±0.02 pH |
| Calibration | One or two points (Standard or NIST buffers) |
| Temperature Range | –5.0 to 105.0 °C (23.0 to 221.0 °F) |
| Temperature Resolution | 0.1 °C / 0.1 °F |
| Temperature Accuracy | ±0.5 °C (≤60 °C); ±1.0 °C above |
| Temperature Compensation | Automatic |
| Electrode Included | HI1414D/50 pH probe with built-in temp sensor, DIN connector, 1 m cable |
| Battery / Life | 3 x 1.5V AAA / ~1200 hours |
| Auto-Off | After 8 minutes of non-use |
| Protection Rating | IP67 waterproof |
| Operating Environment | 0 to 50 °C (32 to 122 °F); RH 100% |
| Dimensions / Weight | 152 x 58 x 30 mm / 205 g (7.2 oz) |
Ideal Applications
Dermatology Clinics – Assess skin pH in sensitive or affected areas
Cosmetic R&D – Test creams, cleansers, and treatments for skin compatibility
Pharmaceutical Labs – Evaluate transdermal delivery systems and topical pH
Clinical Trials – Monitor pre- and post-treatment skin condition
Personal Care Manufacturers – Ensure product pH suitability for different skin types
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