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PCE Instruments PCE-228P

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PCE-228P

PCE-228P is a portable handheld pH meter with electrodes for measuring the pH and temperature of cosmetic products such as shampoos, conditioners, lotions and creams. This easy-to-use cosmetics pH meter saves all measured values to an included SD card memory in a Microsoft Excel-compatible format. For more information specific to this meter, please read the highlights and specifications. 
 
Cosmetics production requires a delicate balance of beauty and science. Cosmetic products must appeal to the senses as well as contain safe ingredients effective at improving the condition of the skin or hair. 
 
To achieve this, aspects such as viscosity, color and shelf life are tested during the cosmetic production process. In addition, the pH level of a cosmetic product is measured to ensure compatibility with the body’s own pH values and to verify the product’s quality and safety. For example, if the pH level of a shampoo is too acidic or too alkaline, at a minimum the shampoo could cause skin irritation, among other undesirable or harmful effects.
PCE-228P
Attributes
Additional Specifications pH measuring range 0.00 ... 14.00 pH 
 
Resolution 0.01 pH 
Accuracy ± (0.02 pH + 2d) 
 
Temperature measuring range 0.0 ... 65.0 ° C (32 ... 149 ° F) 
Resolution 0.1 ° 
Accuracy (@ 20 ° C) ± 0.5 ° C 
 
Calibration Automatic three-point calibration 
Temperature compensation Automatically from 0 ... 65 ° C (32 ... 149 ° F) or manually from 0 ... 100 ° C (32 ... 212 ° F) with the temperature sensor removed 
Electrode included pH electrode (IJ-44C)  
Electrode temperature range 0 ... 60 ° C (32 ... 140 ° F) 
Measuring rate Adjustable from 1 second to 8 hours 59 minutes 59 seconds 
Display 52 x 38 mm (2 x 1.5") LCD screen 
Memory SD card (from 1 ... 16 GB) 
Interface RS-232 
Software Optional 
Power supply 6 x 1.5 V AA batteries / 9 V power adapter (optional - see accessories) 
Ambient operating conditions 0 ... 50 ° C (32 ... 122 ° F), max. 85 % RH 
Dimensions 177 x 68 x 45 mm (7 x 2.7 x 1.8") 
Weight 490 g (1.1 lbs)

Features

- Measures pH values from 0.00 ... 14.00 and temperatures from 0.0 ... 65.0 ° C (32 ... 149 ° F) 
- Includes pH electrode, temperature sensor, SD memory card and card reader 
- Saves measured values in Microsoft Excel-compatible format 
- Accommodates SD memory cards up to 16 GB in size 
- Features a large, easy-to-read LCD screen 
- Real-time data transfer to PC via RS-232 port 
- Manual or automatic temperature compensation 
- BNC connector 
- High accuracy 
- Durable housing 
- Low battery indicator 
- Adjustable measuring rate 
- Automatic three-point calibration 
- Offers a good price-to-performance ratio 
- Optional Redox electrode, PC-compatible visualization software and more sold separately - see accessories for details

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