Related Manuals for SATO KEIRYOKI SK-660PH Series
Summary of Contents for SATO KEIRYOKI SK-660PH Series
- Page 1 Instruction Manual SK-660PH Series pH Meters No. 6428-00 Model SK-660PH No. 6429-00 Model SK-661PH No. 6430-00 Model SK-662PH 3-4, Kanda-kajicho, Chiyoda-ku, Tokyo 101-0045 Japan URL: http://www.sksato.co.jp/english/...
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Page 2: Risk Of Explosion
Introduction Thank you for purchasing the pen type SK-660PH series pH meters. - These pH meters are designed to measure hydrogen ion concentration (pH) and liquid temperature. Do not use it for any other purposes - Read this instruction manual thoroughly before using the instrument and store it in a safe place. - Page 3 - Keep the pH standard solutions out of reach of children. If accidentally ingested, consult a doctor immediately. Overview The SK-660PH series pH meters are portable pen type pH meters that are designed for easily measuring hydrogen ion concentration (pH) and liquid temperature. Features ⚫...
- Page 4 Names of components 1. Main body (1) Display : Displays measurement readings or status of the unit. (2) SET/ : Power ON/OFF switch (3) CAL/ /▽ key : Enters the calibration mode. When the calibration mode is on, use it to modify the set value.
- Page 5 Installing and replacing the batteries Please install or replace batteries when using the unit for the first time or the low battery indication blinks by the instructions as follows: (1) Turn the battery cover counter-clockwise to loosen the cover. (2) Remove old batteries when replacing the batteries. (3) Install the batteries by referring to the polarity marks on the battery compartment.
- Page 6 * How to remove the glass electrode cover Grab the both sides of the opening area of the sensor part with your fingers, and turn the sensor counter-clockwise to remove the sensor from the unit. Cautions: When set or remove the glass electrode cover, be careful not to spill the phthalates standard solution inside the cover.
- Page 7 It is recommended to have number of beakers with water according to the kinds of standard solutions mentioned above. * Various types of pH standard solutions are available as optional products. For details, contact the store where the instrument was purchased or our service network. ⚫...
- Page 8 Cautions: In case the initial values change in order, pH standard solution or the sensor itself might be degraded. If new pH standard solution does not improve the problem, replacement of sensor is necessary. Refer to ‘Sensor Replacement’. (5) Press the HOLD/△ key or CAL/ /▽...
- Page 9 (6) When the calibration value is set, hold the set value until the "SA" indication appears on the display in about 30 seconds. (7) The “SA” indication is on display for 2 seconds and the value is stored in the unit. After that the display returns to the pH value display mode.
- Page 10 (2) Press the HOLD/△ key once again to disable this function. The ‘HLD’ indication will blink and the value will not be held any more. <Stability Displaying function> This unit allows the ‘pH’ indication from blinking to light up to indicate that the values are stable when following conditions are met: Conditions for Stability Display Model...
- Page 11 * Sensitivity The pH glass sensor generates an asymmetric potential difference occurs by the pH value of a sample. Sensitivity can be calculated by the comparison between this difference and theoretical value, and a percentage deviation from the theoretical value is displayed. ‘100.0’ is displayed when the sensitivity is ‘100.0%’, meaning the difference is equivalent to the theoretical value.
- Page 12 (2) Pull off the sensor straight up from the unit. (3) Refer to the drawing below as a guidance to put the new sensor to the unit. (4) Turn the nut for sensor fixture clockwise to tighten. (5) Perform calibration after sensor replacement. Caution - Seal the nut for sensor fixture tightly.
- Page 13 (4) Usage life The glass electrode is consumable. The usage life may differ by types, pH values and temperature of measured samples. (5) Deposit of white potassium chloride crystal A deposit of white crystal is sometimes found on the tip of the glass electrode; this does not pose a problem when using the instrument, and the deposit is easily washed off with tap water.
- Page 14 Trouble Shootings Type of trouble Possible cause Solution Unstable measured The sample amount is not Immerge the sensor into the sample values enough. 3cm deep from the distal end of the sensor. The sample may have low Due to the characteristics of the conductivity such as pure water.
- Page 15 Specifications Product name Pen type pH meter Model SK-660PH SK-661PH SK-662PH Cat. No. 6428-00 6429-00 6430-00 2.0~12.0pH 0.0~14.0pH 0.00~14.00pH Measuring range °C 0.0~50.0°C ±0.3pH ±0.2pH ±0.05pH Accuracy °C ±1.0°C ±0.5°C 0.1pH 0.01pH Resolution °C 0.1°C Measuring sampling Approx. 1 second Waterproof property JIS C 0920「IPX5」...
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