Extech Instruments EC600 User Manual

EC600 V2.0 4/10
8
Parameter P1 (pH Buffer Solution Setting)
1. From the pH measurement mode, press and hold MODE for at least 2 seconds and
then release, the ‘P1’ icon appears on the LCD
2. Use the CAL or the M+/RM keys to toggle through the three (3) selections: USA (for
use in the USA or Europe, NIS (for NIST calibration purposes), and CH (for use in
China)
3. Momentarily press MODE to move to the next parameter (P2), or press ENTER to
return to the normal measurement mode
Parameter P2 (Distilled Water Temperature Compensation Setting)
1. From the P2 menu, use the CAL or the M+/RM keys to turn this feature ON or OFF
2. Momentarily press MODE to move to the next parameter (P3), or press ENTER to
return to the normal measurement mode
Parameter P3 (Distilled Water with Ammonia Temperature Compensation Setting)
1. From the P3 menu, use the CAL or the M+/RM keys to turn this feature ON or OFF
2. Momentarily press MODE to move to the next parameter (P4) or press ENTER to
return to the normal measurement mode
Parameter P4 (Temperature Measurement Units Setting)
1. From the P4 menu, use the CAL or the M+/RM keys to turn this feature ON or OFF
2. Momentarily press MODE to move to the next parameter (P5) or press ENTER to
return to the normal measurement mode
Parameter P5 (Display Backlight Setting)
1. From the P5 menu, use the CAL or the M+/RM keys to select 0, 1, 3, or 6 minute
default backlighting time
2. Momentarily press MODE to move to the next parameter (P6) or press ENTER to
return to the normal measurement mode
Parameter P6 (Automatic Power OFF Setting)
1. From the P6 menu, use the CAL or the M+/RM keys to select a 0, 10, or 20 minute
Auto Power OFF time
2. Momentarily press MODE to move to the next parameter (P7) or press ENTER to
return to the normal measurement mode
Parameter P7 (Restore Factory Default Settings)
1. From the P7 menu, use the CAL or the M+/RM keys to select ON (reset the factory
default settings) or OFF (cancel edit)
2. Momentarily press MODE to move to the first parameter (P1) or press ENTER to return
to the normal measurement mode
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Extech Instruments EC600 Specifications

General

Power Supply	9V Battery
Type	Water Quality Meter
Temperature	32 to 122°F (0 to 50°C)
Resolution	0.1 µS/cm, 1 µS/cm, 0.01 mS/cm (Conductivity); 1 ppm, 10 ppm (TDS); 0.1°C/°F (Temperature)
Accuracy	±2% FS (Conductivity); ±2% FS (TDS); ±0.5°C/±1°F (Temperature)
Temperature Compensation	Automatic
Display	LCD

Summary

Keypad and Data Management

Store, Recall, and Clear Datalogger Memory

Instructions on how to store, recall, and clear logged measurement data from the meter's memory.

pH Measurement Operations

3-Point pH Calibration

Detailed procedure for performing a three-point calibration for the pH meter using standard buffer solutions.

1-Point and 2-Point pH Calibration

Guidance on performing one or two-point pH calibrations when the expected measurement range is known.

pH Measurement Considerations

Error Messages and Troubleshooting

Details common error messages (ERR-1, ERR-2) and general troubleshooting steps for pH measurements.

Calibration Intervals and Recalibration Conditions

Guidelines on how often to calibrate and specific situations requiring recalibration for accurate pH readings.

Electrode Care and Maintenance

Instructions on proper handling, cleaning, soaking, and storage of the pH electrode to ensure longevity and accuracy.

Conductivity Measurement and Calibration

Conductivity Calibration Procedure

Procedure for calibrating the conductivity meter using standard solutions.

Measuring Conductivity, TDS, Salinity, Resistivity

Steps to measure conductivity, TDS, salinity, or resistivity of a sample solution.

Conductivity Calibration Considerations

Information on calibration solution series, one-point calibration, and electrode constant (K=1 cm⁻¹).

Conductivity Maintenance and Troubleshooting

General Maintenance and Care

Instructions for keeping the conductivity electrode clean and maintaining the meter's performance.

Troubleshooting and Resetting

Guidance on replacing electrodes and resetting the meter to factory defaults for unusual operation.

Specifications and Technical Details

pH Specifications

Details the measuring range, resolution, accuracy, input current, impedance, stability, and compensation range for pH measurements.

mV Specifications

Details the measuring range, resolution, and accuracy for mV measurements.

Conductivity Specifications

Details measuring ranges, TDS, salinity, resistivity, resolution, accuracy, electrode constant, and temperature compensation for conductivity.