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Summary of Contents for Sper scientific 850062
- Page 1 Test Tube pH Pen 850062 Test Tube pH Pen with Automatic Temperature Compensation (ATC) 850063...
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Page 2: Table Of Contents
WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . .16 INTRODUCTION This Sper Scientific Test Tube pH Pen (Model 850062/ 850063) is designed for easy calibration and simple, accurate measurement. The 12 cm long probe is capable of testing samples even in narrow-mouthed containers. -
Page 3: Features
FEATURES • Waterproof IP65 housing • Hold function • One-button, three-point calibration • Automatic buffer recognition for calibration accuracy • Customizable calibration values • Measuring stability indicator • Protective storage bottle for sensor • Low-battery indicator • Automatic shutoff • Dual pH and temperature display (Model 850063) •... -
Page 4: Front Panel Description
FRONT PANEL DESCRIPTION 1 . LCD 2 . HOLD 3. CAL (calibration) 4. Power LCD DISPLAY 850062 1 . PH reading 2. Data-hold indicator 3. Calibration 4. Low-battery icon 850063 1 . PH reading 2. Data-hold indicator 3. Calibration 4. Automatic Temperature Compensation (ATC) 5. -
Page 5: Calibration
CALIBRATION The meter should be calibrated regularly with standard USA, NIST or DIN buffers to ensure accuracy. If the meter is used frequently, daily calibration is recommended. Voltage Range for Each Calibration Point pH 4 .00 97 mV ~ 250 mV pH 7 .00 -60 mV ~ 60 mV pH 10 .00... - Page 6 4. If the displayed value is different from the standard buffer that you are using, press and hold down HOLD to change the value. Each buffer value may be adjusted within a specified range: a. 4.00 pH may be adjusted from 3 .50 to 4 .50 b.
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Page 7: Measurement Procedures
Note… If there is an error due to a damaged or incorrectly inserted probe, or if the buffer voltage out of range, the meter will automatically exit calibration mode in 10 seconds . “End” displays for one second and the meter returns to Normal Mode. MEASUREMENT PROCEDURES Note…... - Page 8 1. Unscrew the storage bottle and remove it from the probe, exposing the electrode. 2. Place the electrode into the test solution. 3 . Press POWER button to turn the meter on . 4. Stir the probe gently to create a homogeneous sample and shorten the stabilizing time.
- Page 9 Data Hold Function 1. During measurement, press HOLD to freeze the reading on the display. “H” appears at the top of the LCD and the pH decimal point stops flashing. 2 . Press HOLD to return to Normal Mode. Automatic Shutoff The meter automatically turns off after 20 minutes of inactivity.
- Page 10 4. The meter returns to Normal Mode. Automatic shutoff is now disabled. Note… The meter will default to automatic shutoff each time it is turned off. Automatic Temperature Compensation (model 850063) “ATC” displays at the top of the LCD . The temperature is displayed in either °C or °F.
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Page 11: Troubleshooting
5. “SA” displays for one second and the meter returns to Normal Mode. TROUBLESHOOTING Problem Action The meter Press POWER button for more will not turn than 0 .1 seconds . on / the Check whether the batteries are LCD display correctly inserted . -
Page 12: Error Codes
ERROR CODES Error Code Description The pH reading The pH value is out of range: displays “- - -” the solution is too acidic or too alkaline The temperature The temperature value is out reading displays of range: the temperature is “H”... - Page 13 1. If the meter is on, press POWER button to turn the meter off . 2. Remove the battery cover on the back of the meter by using the slot to turn it clockwise. The cover will now come off easily when you turn the timer over.
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Page 14: Care And Maintenance
4. Replace the battery cover, positioning the tabs so that the cover is flush with the meter. 5. Secure the cover by turning it counter-clockwise. Note… Recalibrate the meter after replacing the batteries. CARE AND MAINTENANCE The electrode should be soaked for at least 30 minutes before first use, or any time it has dried out. -
Page 15: Specifications
• Clean it with a solvent miscible with water, such as ethanol or acetone. • Rinse the electrode carefully with water. SPECIFICATIONS Range Accuracy 850062 ±0 .2 0 ~ 14.00 0 .01 0 ~ 50°C / 850063 ±0 .1 32 ~ 122°F... -
Page 16: Warranty
WARRANTY Sper Scientific warrants this product against defects in materials and workmanship for one (1) year from the date of purchase, and agrees to repair or replace any defective unit without charge. If your model has since been discontinued, an equivalent Sper Scientific product will be substituted if available.
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