User manual HANNA INSTRUMENTS HI 98109

[. . . ] Skincheck FRONT ON/OFF SWITCH LIQUID CRYSTAL DISPLAY pH Skincheck Environment TOP VIEW Skincheck Operating Instructions · Switch the meter on and remove the protective cap. · Place the tip of the flat electrode on the surface to be measured (skin or scalp). [. . . ] · ALWAYS KEEP THE CONNECTOR CLEAN AND DRY. · After use, rinse the electrode with water to minimize contamination. · Store the electrode with a few drops of HI 70300 Storage Solution in the protective cap. HI 7 030 0 BACK 0 to 50ºC (32 to 122ºF), 95% RH 2 x 1. 4V 3000 hours of continuous use 66 x 50 x 25 mm (2. 6 x 2 x 1") 70 g (2. 5 oz. ) 90 g (3. 2 oz. ) +- 7 pH OFF 4/10 pH ON Battery Type Life Dimensions Weight Skincheck Skincheck1 BATTERIES SCREW-TYPE CONNECTOR BATTERIES COVER HI 1413S/50 COMBINATION pH ELECTRODE PROTECTIVE CAP Specifications Range Resolution Accuracy (@20°C/68°F) Typical EMC Deviation Calibration Electrode 0. 00 to 14. 00 pH 0. 01 pH ±0. 2 pH ±0. 1 pH Manual two points combination pH electrode (included) Skincheck HI 1413S/50 Skincheck1 HI 1413B/50 Initial Preparation The pH electrode is shipped dry. Prior to using the Skincheck, remove the protective cap and recondition the electrode by soaking the tip (2cm/1") in pH 7. 01 buffer solution for a couple of hours. Perform the calibration procedure as described below and the meter will be ready for taking measurements. · Always replace the protective cap after use. DO NOT USE DISTILLED OR DEIONIZED WATER FOR STORAGE PURPOSES. Skincheck Calibration · Dip the tip of the electrode (2cm/1") of Skincheck in a sample of pH 7. 01 buffer (from HI 774P Calibration Kit). · Use a small screwdriver to adjust the pH 7 trimmer until the display reads "7. 01 ". · Rinse the electrode with water and dip it in a sample of pH 4. 01. · With a small screwdriver adjust the pH 4/10 trimmer until the display reads "4. 01 ". Skincheck · Calibration is now complete. ALWAYS USE FRESH BUFFERS FOR CALIBRATION & NEVER REUSE THEM. Skincheck Accessories HI 1413S/50 Glass-body, flat tip, combination pH electrode, Viscolene, 12 mm diameter with screw-type connector (for Skincheck) HI 1413B/50 Glass-body, flat tip, combination pH electrode, Viscolene, 12 mm diameter, BNC connector with 1m (3. 3') cable (for Skincheck1) HI 774P Calibration kit pH 7. 01 & pH 4. 01 (30 ml ea. ), with screwdriver HI 7004L Buffer solution pH 4. 01 (460 ml) HI 7007L Buffer solution pH 7. 01 (460 ml) Skincheck HI 70300L Storage solution (460 ml) HI 76504/P2 2x1. 4V batteries Recommendations for Users Before using this product, make sure that it is entirely suitable for the environment in which it is used. Operation of this instrument in residential area could cause unacceptable interferences to radio and TV equipments, requiring the operator to take all necessary steps to correct interferences. The glass flat tip at the end of the electrode is sensitive to electrostatic discharges. [. . . ] Insert 2 new 1. 4V batteries while paying attention to their polarity. Battery replacement must only take place in a non hazardous area using the battery types specified in this instruction manual. BATTERIES +- BATTERIES COVER ISTRSKIN 10/96 Stay in Touch with the Manufacturer! [. . . ]