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Summary of Contents for Extech Instruments EC150
- Page 1 User's Guide Extech EC100 Conductivity Temperature Meter Extech EC150 Conductivity TDS Temperature Meter Conductivity and TDS Meter Pen Style Water Quality Meter Model EC150 netzerotools.com...
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Page 2: Supplied Materials
Congratulations on your purchase of the Extech Pen Style Water Quality instrument; the Model EC150 measures Conductivity and TDS (Total Dissolved Solids) plus Temperature. The instrument is housed in an IP65 Water-proof enclosure for safety. This instrument is shipped fully tested and calibrated and, with proper use, will provide years of reliable service. -
Page 3: Meter Description
Parts per thousand and parts per million units Temperature reading Temperature units of measure Battery strength indicator Calibration icon Keypad Description Power ON-OFF and SET button Down Arrow, Data Hold, and Calibration button Up arrow and MODE Button EC150-EU-EN-V2.0-9/11 netzerotools.com... -
Page 4: Operation
The unit of measure icon will flash on the meter’s display while stabilization is taking place in measurement mode. When stabilization is achieved, the meter’s icon will stop flashing. Press the HLD (HOLD) button to freeze a displayed reading. Press again to release the display. EC150-EU-EN-V2.0-9/11 netzerotools.com... -
Page 5: Setup Mode
12. The meter display should be back to the P1 level starting point. 13. Press and hold the SET button for at least 2 seconds to return to the normal operation mode or press the SET button momentarily to move to Parameter P2 (see below). EC150-EU-EN-V2.0-9/11 netzerotools.com... - Page 6 Range 2 Calibration Concentration. Again, if dashed lines appear, then the meter has not been calibrated up to this point. 5. Press and hold the SET button for at least 2 seconds to return to the normal operation mode or press the SET button momentarily to move back to Parameter P1. EC150-EU-EN-V2.0-9/11 netzerotools.com...
- Page 7 This is normal and does not affect the user calibration. Note: To exit the calibration mode without confirming the calibration, press and hold the SET button in Step 9 for at least 2 seconds. This will abort the calibration and revert to the previous calibration values. EC150-EU-EN-V2.0-9/11 netzerotools.com...
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Page 8: Maintenance
If the electrode has been exposed to a solvent immiscible in water, clean it with a solvent miscible in water, e.g. Ethanol, and then rinse carefully with water. Store the electrode carefully. Before storing, rinse carefully in de-ionized water and store dry. EC150-EU-EN-V2.0-9/11 netzerotools.com... -
Page 9: Troubleshooting
4. Replace the battery compartment cover with the two (2) Phillips screws. All EU users are legally bound by the battery ordinance to return all used batteries to collection points in your community or wherever batteries / accumulators are sold! Disposal in the household garbage is prohibited! EC150-EU-EN-V2.0-9/11 netzerotools.com... -
Page 10: Appendix A: Factory Default Settings
Conductivity value must be in mS. Check this by multiplying the conductivity reading by the factor in the above formula; the result is the TDS in ppm. Refer to the Setup section of this User Guide for instructions on programming the TDS factor. EC150-EU-EN-V2.0-9/11 netzerotools.com... -
Page 11: Appendix D: Temperature Effects
KCl 0.01 M Saturated NaCl 15 – 25 1.725 1.863 1.882 1.981 15 – 25 – 35 1.730 (15 – 27°C) 1.906 1.937 (15 – 34°C) 2.041 25 - 35 1.762 (25 – 27°C) 1.978 1.997 (25 - 34°C) 2.101 EC150-EU-EN-V2.0-9/11 netzerotools.com... -
Page 12: Specifications
Selectable from 0 to 4.0%/°C Normalization Temperature (Reference Temperature) Selectable: 20°C or 25°C Basic status indicators Out-of-range (----) and low battery Power Supply Four (4) LR44 ‘button’ batteries Dimensions 165 x 35 x 32mm (6.5 x 1.4 x 1.3”) EC150-EU-EN-V2.0-9/11 netzerotools.com...
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