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Summary of Contents for SATO SK-670PH
- Page 1 Instruction Manual No. 6433-00 Pen Type pH meter Model SK-670PH...
- Page 3 - This pH meter is designed to measure hydrogen ion concentration (pH) and temperature (liquid temperature). Do not use this instrument for any other purposes. Read this instruction manual thoroughly before using the SK-670PH and keep it in a safe place for your future references.
- Page 4 Overview The SK-670PH pH meter is easy-to-operate instrument for measuring hydrogen ion concentration (pH) and liquid temperature. The sensing section is long and thin (12 mm dia. x 115mm (L)) that can be directly inserted into a flask or like at measurement.
- Page 5 Components names and functions Sensor (1) LCD : Displays measurement readings or status of the unit. (2) PWR key : Power key to turn on/off the unit. (3) CAL key : Enters the calibration mode. (4) HLD key : Holds the value being displayed. Increments the pH value to be adjusted in calibration mode.
- Page 6 Installing and replacing batteries Install or replace batteries when firstly use of the unit or [BAT] mark is lit. (1) Remove the battery cover by turning it clockwise with a coin or like. (2) When replacing the batteries, remove the old batteries. (3) Install new batteries with attention of the polarity marks (+ and -) (4) Place batteries overlapping two batteries with the ‘+’...
- Page 7 ② Slide the cap to take it out from the sensor probe as shown in the figure on the right. (2) Installing the glass electrode protection bottle ① Install the protection bottle to the sensor probe in the reverse order of removal. ②...
- Page 8 * Prepare the beakers for water as many as the standard solutions. These standard solutions are separately purchased. Contact us or the shop where you purchased the SK-670PHII. (1) How to calibrate the SK-670PH pH meter ① Press the PWR key to turn on.
- Page 9 a. Note that it is not possible to perform calibration using the oxalate standard solution (pH 1.68 at 25°C) or borate standard solution (pH 9.18 at 25°C). b. Calibration does not perform under the operation below. For details, refer to the [Trouble shooting] pH value other than default value is displayed.
- Page 10 The figure above shows the case when the pH 10 standard solution is 25.0 ºC When the sample is known as acidic or alkaline, some of the calibration can be skipped Acidity: Perform calibration on pH7 and pH 4 and skip on pH10 Alkalinity: Perform calibration on pH 7 and 10 and skip on pH 4 Relation between pH value and temperature When performing calibration, set the pH value according to the temperature of the standard solution as follows;...
- Page 11 Measuring procedure (1) Press the PWR key. All digits on the LCD will be lit for two seconds and the unit enters the measurement mode. (Dismal point on the pH value will blink for every sampling.) (2) Remove the protection bottle of glass electrode (3) Immerse the glass electrode 3 cm or more deep into the material to be measured.
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Page 12: Error Codes
(3) Cleaning Be sure to wash the pH electrode after each pH calibration or measurement with water (distilled, pure or tap water). If left unwashed, the liquid measured tends to form a film on the surface of the electrode, causing measurement errors. -
Page 13: Troubleshooting
Troubleshooting Type of trouble Possible cause Solution Some numeric pH The sample is lower than 1.00pH Use the unit within the measuring range value is blinking The sample amount is not enough. Immerge the sensor into the sample 3cm deep Unstable measured from the distal end of the sensor. -
Page 14: Specifications
Specifications Cat. No. 6433-00 Pen type pH meter Model SK-670PH Measuring factors Hydrogen ion concentration (pH), Temperature (liquid temp.) Temperature Measuring Range 2.00 to 12.00pH 0.0 to 50.0ºC Resolution 0.01pH 0.1ºC Accuracy ± 0.2 pH ± 1.0ºC Resolution 0.01pH 0.1ºC Operation ambient 0 to 50 ºC, lower than 80%rh (no condensing) - Page 16 3-4, Kanda-kajicho, Chiyoda-ku, Tokyo 101-0045 Japan URL: http://www.sksato.co.jp/english/...
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