อุปกรณ์วัด pH (Portable pH Meter for Skin)

HI 99181

Portable pH Meter for Skin

HI 99181 is a pH meter specifically designed for skin analysis. Essential for labs researching the biological compatibility of cosmetics and pharmaceuticals. HI 99181 provides quick and simple measurements without compromising precision.

The amplified HI 1414D/50 probe has been specially designed with a flat tip for accurate skin pH measurement with maximum surface contact.

Specifications
Range pH -2.00 to 16.00 pH
Temperature -5.0 to 105.0°C / 23.0 to 221.0°F
Resolution pH 0.01 pH
Temperature 0.1°C / 0.1°F
Accuracy @ 20°C pH ±0.02 pH
Temperature ±0.5°C (up to 60°C), ±1.0°C (outside) / ±1.0°F (up to 140°F); ±2.0°F (outside)
pH Calibration  automatic, 1 or 2 point with 2 sets of memorized buffer values
(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 1414D/50, amplified, flat tip,
with internal temperature sensor, 50mm (2.0″) long body (included)
Battery Type / Life  1.5V AAA (3) / approximately 1200 hours of continuous use. auto-off after eight minutes of non-use
Environment  0 to 50°C (32 to 122°F); RH max 100%
Dimensions  152 x 58 x 30 mm (6.0 x 2.3 x 1.2”)
Weight  205g (7.2 oz.)

Accessories
Electrodes
HI 1414D/50  pH Electrode for Skin and Scalp
Solutions
HI 5004L  pH 4.01 buffer solution
HI 5007L  pH 7.01 buffer solution
HI 70300L
Electrode Storage Solution
1 x 500 mL bottle
HI 70960  Preparation Solution for Solid or Semi Solid Samples
Accessories
HI 710023  Shockproof Rubber Boot
Streamlined Style Casing, Orange
HI 710024  Shockproof Rubber Boot
Streamlined Style Casing, Blue