Summary of Contents for Environmental Express 100 Series
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100 Series Portable pH/Cond. Meter Instruction Manual pH 100 portable pH Meter EC 100 portable conductivity Meter PC 100 portable pH/Cond. Meter Environmental Express www.environmental express.com...
Before using the product, please read this manual carefully to help you properly use and maintain the product. Environmental Express reserves the right to update the content of this manual without giving prior notices. 1.1 Measuring Parameters...
1.3 Features of Measuring Parameters Measuring Applicable Features Parameter Model ● 1~3 points auto calibration with calibration guide & self-diagnosis function. pH100 ● Automatic recognition of pH calibration solutions: USA, NIST & CUS (user- PC100 defined). pH100 With temperature measurement and display function. PC100 pH100 With ORP calibration function...
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-200 ~ 200mV: ±0.1mV PC 100 Resolution Other range: ±1mV Accuracy ±0.2% F.S. Range ±1000mV Resolution pH 100 Accuracy ±0.2% F.S. PC 100 Calibration ±50mV of reading Range 0~200 mS/cm, including 5 ranges: Measuring 0.00~19.99μS/cm, 20.0~199.9μS/cm, 200~1999μS/cm, Range 2.00~19.99mS/cm, 20.0~199.9mS/cm Resolution 0.01/0.1/1μS/cm, 0.01/0.1 mS/cm Accuracy...
2.2 Other specifications Power AA batteries x 3 (1.5V×3) IP rating IP57 waterproof and dust resistant Meter: 91×190×33mm, (3.58”x7.48”x1.29”) / 342 gm Dimension & Carrying case: 330×270×82mm, (12.99”x10.63”x3.22”) / 0.59 kg Weight Paper box: 255×200×45mm, (10.04”x7.87”x1.77”) /1.28 kg INSTRUMENT DESCRIPTION 3.1 LCD display ATC—Automatic temperature compensation ①...
3.2 Keypad functions Diagram - 1 Short press ----- <2 seconds; Long press ----- >2 seconds. Table - 1 Keypad operations and descriptions Keypad Operations Descriptions ⚫ Press to turn on or turn off the meter. Short press ⚫ Press to select parameter or unit: ;...
⚫ In measurement mode, long press to enter calibration mode. Long press ⚫ Press to cancel operation, the meter returns to measurement mode or the previous interface. Short press ⚫ When the measure value is locked-up, short press release lock-up. ⚫...
calibration until the measuring value is stable. 3.4.2 Automatic Lock-up Display Mode Select on from parameter P6.2 to turn on automatic lock-up display function. When the reading value stabilizes more than 10 seconds, the meter locks the reading value automatically and Displays HOLD icon, see Diagram - 3.
PH MEASUREMENT 4.1 pH electrode information 4.1.1 The meter connects to 201-C plastic combination pH electrode, with BNC connector. Configured with MP500-2.5 temperature probe (built in 30kΩ thermistor), Phono plug. The meter can use other pH combination electrodes with the BNC connector. 4.1.2 When both the pH electrode and the temperature probe are connected to the meter, it directly goes to automatic temperature compensation mode.
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1-Point 7.00 pH 6.86 pH Accuracy: ±0.1pH Calibration Measuring range: 0 7.00 pH→4.00 or 1.68pH 6.86 pH→4.01 or 1.68pH to 7.00 pH 2-Point Calibration Measuring 7.00 pH→10.01 or 12.45pH 6.86 pH→9.18 or 12.45pH range: >7.00 pH 6.86pH→4.01 or 1.68pH→ 3-Point 7.00pH→4.00 or Wide measuring 1.68pH→10.01 or 12.45pH...
4.4 pH test Rinse pH electrode in distilled or deionized water, allow it to dry, and submerge it in the sample solution. Stir the solution briefly and allow it to stay in the sample until the value becomes stable icon appears on LCD, get the reading which is the pH value of the sample solution. 4.5 Information regarding pH calibration and measurement 4.5.1 During the process of calibration and measurement, submerge both the pH electrode and the temperature probe into the solution to ensure automatic temperature compensation.
4.6 Customized calibration (take 1.60pH & 6.50pH as example) 4.6.1 Choose CUS (customized calibration) in parameter setting P1.1, the meter enters customize calibration mode. 4.6.2 Rinse the electrode with distilled or deionized water, allow it to dry. Long press enter calibration mode, dip it into 1.60pH calibration solution, stir gently and let it stand still and wait for the reading to become stable.
out of range (<-60mV or >60mV) bulb. Electrode slope<75% 2. Check whether pH buffer solution is correct. 3. Replace with a new pH electrode. 4.9 Maintenance of the pH Electrode 4.9.1 Daily maintenance The soaking solution contained in the supplied protective bottle is used to maintain hydration of the glass bulb and liquid junction.
5.1 mV measurement Connect the pH combination electrode (or other ion combination electrodes) and the temperature probe, submerge into the solution, stir gently and let it stand still, wait for the reading to be stable and LCD displays and then get the reading. 5.2 ORP measurement 5.2.1 ORP means Oxidation Reduction Potential.
5.2.5 Clean and activate the ORP electrode After the electrode has been used over a long period of time, the platinum surface will get polluted which causes inaccurate measurement and slow response. Please refer to the following methods to clean and activate ORP electrode: (a) For inorganic pollutant, submerge the electrode in 0.1mol/L dilute hydrochloric acid for 30 minutes, then wash it in distilled water, then submerge it in the electrode storage solution for 6 hours.
Table - 8 measuring ranges of cell constants <20 μS/cm >100mS/cm Range 0.5 μS/cm~100 mS/cm Conductivity K=0.1 cm K=1.0 cm K=10 cm electrode constant Standard solution 84μS/cm 84 μS/cm 1413 μS/cm 12.88 mS/cm 111.9 mS/cm 6.2 Information about conductivity calibration 6.2.1 Conductivity calibration solutions The meter uses conductivity standard solution of 84 μS/cm, 1413 μS/cm, 12.88 mS/cm and 111.9 mS/cm.
6.2.4 Temperature coefficient The temperature compensation coefficient of the meter setting is 2.0%/°C. However, the conductivity temperature coefficient is different from solutions and concentration. Please refer to Table - 10 and the data collected during testing. Set per parameter setting P3.4. and refer to Section 7.4.
(b) If return from calibration mode, press to exit. 6.4 Relation between TDS and conductivity 6.4.1 TDS and conductivity are linear related. The conversion factor is 0.40-1.00. Adjust per parameter setting P3.5. The factory default setting is 0.71, see Section 7.4. The meter can only be calibrated in conductivity mode and not TDS mode.
Table – 12 Self-diagnosis information of conductivity measurement mode Display Contents Checking Icons Press when measuring value is Press after icon displays and stays not stable during calibration. on screen 1. Check whether conductivity calibration solution is correct. Wrong conductivity calibration solution 2.
ARAMETER SETTING 7.1 Main menu of parameter setting In the measurement mode, Long press to enter in P1.0, then press to switch to main menu: P1.0→P2.0→P3.0→P6.0. Please refer to Diagram – 5. P1.0: pH parameter setting; P2.0: ORP parameter setting. P3.0: Conductivity parameter setting;...
Sub-menu of basic parameter setting P6.1 Select temperature unit P6.2 Automatic hold setup P6.3 Select backlight time P6.4 Automatic power-off setup Diagram - 5 7.2 Sub-menu of pH parameter setting Press in P1.0, enter P1.1 sub-menu of pH parameter setting, and then press to switch among P1.1→P1.2→P1.3.
7.3 Sub-menu of ORP parameter setting Press in P2.0, enter P2.1 sub-menu of ion parameter setting. P2.1 — Restore to factory default setting (No—Yes) Press no flashes, press to select YES, press confirm, the meter returns to measurement mode. No— Don’t restore to factory default; Yes—Restore to factory default. 7.4 Sub-menu of conductivity parameter setting Press in P3.0, enter P3.1 sub-menu of pH parameter setting, and then press...
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P3.4—Adjust temperature compensation factor (0.00~9.99%) 1. Press 2.00 flashes, press to adjust temperature compensation factor 0.00~9.99, press to confirm. Factory default setting: 2.00. 2. Press to enter P3.5 or press to return to measurement mode. P3.5—Adjust TDS coefficient (0.40~1.00) 1. Press 0.71 flashes, press to adjust TDS coefficient 0.40~1.00, press...
7.5 Sub-menu of basic parameter setting Press in P6.0, enter P6.1 sub-menu of pH parameter setting, and then press to switch among P6.1→P6.2→P6.3→P6.4. P6.1 — Temperature unit (℃—℉) 1. Press ℃ flashes, press to select between ℃→℉, press confirm. 2. Press to enter P6.2 or press to return.
We warrant this instrument to be free from defects in material and workmanship and agree to repair or replace free of charge, at option of Environmental Express, any malfunctioned or damaged product attributable to responsibility of Environmental Express, for a period of THREE YEARS (SIX MONTHS for the probe) from the delivery.
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Appendix - 1 Table of Parameter Setting Restore to factory Mode Prompts Parameter setting items Abbreviation Description default setting P1.1 Select pH buffer series USA-NIST-CUS P1.0 P1.2 Select resolution 0.01 0.01-0.1 Restore to factory default P1.3 No-Yes setting Restore to factory default P2.0 P2.1 No-Yes...
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Appendix - 2 Icons and Abbreviation Mode Prompts Abbreviation Stand for Explanation P1.1 Standard buffers pH standard buffers P1.0 P1.2 resolution Resolution P1.3 Factory default setting Factory default setting P2.0 ORP P2.1 Factory default setting Factory default setting Conductivity standard P3.1 Solution solutions...
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Appendix - 3 Table of Self-diagnosis Symbol Icon Self-diagnosis Information Cond. Press when measuring value is not stable during √ √ calibration. √ √ Wrong calibration solution or the buffer solution out of range. √ √ During calibration, the measuring value being unstable (≥3min). pH electrode performance error, √...
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Replacement Sensors & Solutions Description Oakton Part Number pH100 pH meter, temp probe only 35613-28 pH100 pH meter, pH, temp probes 35613-25 pH Electrode “All in One” Single Junction 35811-71 Includes temp pH Electrode “All in One” Double Junction 35811-72 Includes temp pH Electrode Replacement Single Junction 59001-65...
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