Related Manuals for LaMotte pH 5 PLUS
Summary of Contents for LaMotte pH 5 PLUS
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- Page 3 PREFACE This manual serves to explain the use of the pH 5 PLUS meter. This manual functions in two ways: Þ rst as a step by step guide to operating the meter; second, as a handy reference guide. This manual is written to cover as many anticipated applications of the meter as possible.
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Page 4: Table Of Contents
TABLE OF CONTENTS 1. INTRODUCTION 2. GETTING STARTED Description of Keypad Functions Description of LCD Annunciators Inserting & Removing the Rubber Boot/Stand Inserting New Batteries Battery Replacement Connecting the Electrode and Temperature Sensor Conditioning the pH Electrode Switching the Meter On CALIBRATION pH Calibration 3.1.1 pH Calibration Procedure... -
Page 5: Introduction
The pH 5 PLUS microprocessor-based handheld meter is economical and easy to use. It has a large custom LCD (Liquid Crystal Display) for clear and easy reading. The pH 5 PLUS measures pH and temperature (°C). Meters include 4 alkaline AAA batteries, a rubber boot /stand, instruction manual, and warranty card. -
Page 6: Description Of Lcd Annunciators
2.2 Description of LCD Annunciators The large custom LCD consists of 3½-digit segments which uses annunciators for pH or °C (Temperature). Other annunciators include HO (when HOLD function is activated) and LO (low battery condition). 2.3 Inserting & Removing the Rubber Boot/Stand 1. -
Page 7: Inserting New Batteries
2.4 Inserting New Batteries The battery compartment is found at the back of the instrument. To open the battery compartment, push the cover in the direction of the arrow and lift up. Note the polarity of the batteries before inserting them into position. -
Page 8: Connecting The Electrode And Temperature Sensor
2.6 Connecting the Electrode and Temperature Sensor To connect the probe to the meter, align the BNC connector slots with the posts of the meter socket and rotate the connector clockwise until it locks. Do not force the connector. To remove the probe, rotate the connector in a counter-clockwise direction until it unlocks, and slide the connector o the socket. -
Page 9: Switching The Meter On
2.8 Switching the Meter On 1. Press the ON/OFF key. All LCD segments will display momentarily as the meter performs a self-diagnostic test. The meter will display - - - if the meter has not been calibrated or if the meter has been reset. 2. -
Page 10: Ph Calibration Procedure
the DISPLAY will ß ash Er1 and the value will not be accepted. Press CAL to abort the calibration and return to the measurement mode. Always use new pH bu er solutions for calibration. Do not reuse bu er solutions that may be contaminated and a ect the calibration and accuracy of the measurements. -
Page 11: Changing The Ph Bu Er Group
3.1.2 pH Calibration Procedure Multiple Point 1. Pour a 7.0 pH bu er calibration standard solution into a clean, dry container. Turn on the meter and select the pH mode by pressing the MODE key. 2. Dip the pH probe and temperature probe into the solution. Stir gently and wait for the reading to stabilize (approximately 30 seconds depending on the probe condition). -
Page 12: Resetting User Calibrated Values
group. To abort the bu er group selection, press CAL to revert to the pH measurement mode. 1. Press and hold MODE while switching the meter on using the ON/OFF key. The display will show bUF blinking. 2. Press the ENTER key to begin the bu er group selection mode. Use the MODE key to toggle between USA, NIST or Pb as shown below. -
Page 13: Without Temperature Probe (No Atc)
1. Connect the temperature probe to the meter. Press the MODE key until the °C annunciator appears on the DISPLAY. 2. Compare the displayed value to a NIST certiÞ ed thermometer or other thermometer known to be accurate. For the most accurate results, place both the probe and thermometer in a constant temperature bath. -
Page 14: Measurement
4. Press the INC key until the displays shows the desired temperature. The value can be set from 0 to 100 °C. 5. To cancel or abort this operation, press the CAL key. To conÞ rm the calibration, press the ENTER key. A new value will be stored in the meter non-volatile memory. -
Page 15: Releasing A Held Reading
4.3 Releasing a Held Reading Press the HOLD key once again to deactivate the HOLD function or to release the frozen reading. The meter will revert to the current measurement mode, and the HO annunciator will disappear from the DISPLAY. 5. -
Page 16: Troubleshooting
6. TROUBLESHOOTING Problem Cause Solution GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... -
Page 17: Specifications
7. SPECIFICATIONS pH Range 0.00 to 14.00 pH Resolution 0.01 pH Accuracy ±0.01 pH pH Slope Range 80 to 120% No. of Calibration Pts 1 to 3 points (push-button) Bu er Options pH 4.01, 7.00, 10.01 (USA) pH 4.01, 6.86, 9.18 (NIST) pH 4.10, 6.97 (Pb) Temperature Range 0.0 to 100.0 oC... -
Page 18: Replacement Parts And Accessories
To order individual reagents or test kit components, use the speciÞ ed code number 9. WARRANTY LaMotte Company warrants this instrument to be free of defects in parts and workmanship for 3 years from the date of shipment and the probe to be free of defects in parts and workmanship for 6 months from the date of shipment. -
Page 19: Return Of Items
Should it be necessary to return the meter for repair or servicing, pack the meter carefully in a suitable container with adequate packing material. A return authorization number must be obtained from LaMotte . Often a problem can be resolved over the phone or by email. If a return of the meter is necessary,... - Page 20 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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