HI-99171 Leather and Paper pH Meter
HI-99171 Leather and Paper pH Meter
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Hanna HI-99171 Leather and Paper pH Meter is a portable pH and temperature meter specifically designed for direct measurement in leather, paper, and similar materials. It is supplied with a specialized flat-tip electrode that ensures optimal surface contact for fast and reliable readings.
Built for industrial and quality control environments, the HI-99171 delivers accurate results with minimal sample preparation, making it ideal for routine testing in production and laboratory settings.
Key Features
- Designed for pH measurement in leather and paper
- Flat-tip electrode for surface measurements
- Integrated temperature sensor with automatic compensation
- Two-point automatic calibration
- Waterproof (IP67) rugged housing
- Fast response and stable readings
- User-friendly operation
Applications
- Leather processing and tanning industry
- Paper production and quality control
- Textile and material testing
- Industrial laboratories
- Field and on-site measurements
What's Included
- HI-99171 portable pH meter
- HI14143 flat-tip pH electrode with temperature sensor
- Calibration buffer solutions
- Cleaning and storage solutions
- Protective carrying case
- Batteries
Measurement Method
The pH is measured using a flat glass electrode designed for surface contact with solid and semi-solid materials such as leather and paper. The built-in temperature sensor provides automatic temperature compensation to ensure accurate and repeatable results.
Why Choose HI-99171?
- Optimized for leather and paper testing
- Reliable surface measurements without complex preparation
- Durable design for industrial environments
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Description
Description
- Simultaneous pH and temperature measurements on a large dual-line LCD display
- User-friendly two button design
- Application specific probe
- Durable IP67 waterproof casing
- Watertight probe connection
- Probe condition indicator
- Automatic pH calibration at one or two points within two memorized buffer sets (standard or NIST)
- On-screen calibration tags
- mV measurement for electrode check
- Selectable temperature unit (°C or °F)
- Auto-off function
- Battery life indication and low battery detection
The HI-99171 portable pH meter together with a HI-14143 combination pH electrode (when immersed in a drop of water on the surface of the sample), can determine the pH of the surface with high accuracy and repeatability without the requirement of sample destruction.
During production of cartons and paper used for food packaging, pH measurements provide a useful gauge of product compatibility. pH of a paper is usually considered one of the most reliable indices of the permanence of a paper.
Conservators of historical documents (some of which are very valuable or irreplaceable) require a convenient non-destructive method to determine pH.
Leather technicians rely on a pH determination to optimize dyes, coating, and softening agents in order to preserve the fibre structure and prevent damage to leather. Leather is acidic. Its pH is measured at between 4.5 and 5.0. Surface pH measurements provide a non-destructive means to meet specifications and optimize product quality.
Specifications
Specifications
| Range - pH | -2.00 to 16.00 pH | |
| Range - Temperature | -5.0 to 105.0°C / 23.0 to 221.0°F | |
| Resolution - pH | 0.01 pH | |
| Resolution - Temperature | 0.1°C / 0.1°F | |
| Accuracy - pH | ±0.02 pH | |
| Accuracy - Temperature | ±0.5°C (up to 60°C), ±1°C (outside); ±1.0°F (up to 140°F), ±2°F (outside) |
|
| pH Calibration | automatic, 1 or 2 point selectable buffer set standards pH 4.01 / 7.01 / 10.01 or pH 4.01 / 6.86 / 9.18) | |
| Temperature Compensation | Automatic, -5 to 105°C (23 to 221°F) | |
| pH Electrode | HI-14143 pre-amplified, flat tip, with internal temperature sensor (included) |
|
| Battery Type / Life | 3 x 1.5V AAA/ approx. 1400 hours of continuous use: auto-off after 8 minutes of non-use |
|
| Environment | 0 to 50°C (32 to 122°F); RH max 100% | |
| Dimensions | 154 x 63 x 30 mm | |
| Weight | 196 g | |
| Supplied with: | HI-14143 pH/temperature probe with flat tip and Quick Connect DIN connector with 1m (3.3’) cable, pH 4.01 and 7.01 buffer sachets, HI-700680 cleaning solution for ink stains sachets (2), HI70960 conductive electrolyte solution for pH measurement (30 mL), 100 mL beaker, 1.5V AAA batteries (3), calibration certificate of meter, calibration certificate of probe, instruction manual, and HI-710142 rugged carrying case. |
Safety Data Sheet
Safety Data Sheet
Manuals
Manuals
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