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Summary of Contents for Apera Instruments PC 850
- Page 1 PC850 Portable pH/Conductivity Meter Manual PH 850 Portable pH Meter EC 850 Portable Cond. Meter PC 850 Portable pH/Cond. Meter APERA INSTRUMENTS (Europe) GmbH www.aperainst.de PC850 Version1.0...
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Page 2: Table Of Contents
Table of Contents 1. Introduction --------------------------------------------------------------------------------------------------------------------------- 2. Specifications ------------------------------------------------------------------------------------------------------------------------- 3. Instrument Description ------------------------------------------------------------------------------------------------------------- 3.1. LCD display---------------------------------------------------------------------------------------------------------------------- 3.2. Keypad functions --------------------------------------------------------------------------------------------------------------- 3.3. Meter socket --------------------------------------------------------------------------------------------------------------------- Reading stability display mode 3.4. ---------------------------------------------------------------------------------------------- 3.5. Automatic lock-up display mode ------------------------------------------------------------------------------------------ 3.6. Automatic power off --------------------------------------------------------------------------------------------------------- 3.7. -
Page 3: Introduction
1. Introduction Thanks for purchasing PC850 portable pH/Conductivity meter. This meter is a perfect combination of the most advanced electronics technology, sensor technology, and software design, and is the most cost-effective portable electrochemical meter designed for industrial and mining enterprises, power plants, water treatment engineering, environmental protection industry, etc., especially ideal for general field use. -
Page 4: Specifications
(0.00~14.00) pH Resolution 0.1/0.01 pH Accuracy ±0.01 pH ±1 digit PH 850 Temperature (0~100)˚C (manual or automatic) compensation PC 850 Range ±1,000 mV Resolution 1 mV Accuracy ±0.2% F.S ±1 digit Conductivity: 0~200 mS/cm (divided into five ranges): (0.00~19.99) μS/cm;... -
Page 5: Instrument Description
3. Instrument Description 3.1. LCD Display： HOLD ⑬ Diagram-2 (1) — Parameter mode icons (2) — Measurement reading (3) — Prompts of special display mode (4) — Units of measurement (5) — Temperature units (°C and °F) (6) — Units of pH and conductivity calibration value (7) —... - Page 6 ● EC 850 Conductivity meter: → → → ● PC 850 pH/Conductivity meter: ● In the measurement mode: long press to enter manual temperature compensation mode, then long press or momentary press this key Short/long press to change the temperature value (only one direction).
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Page 7: Meter Socket
EC 850 Conductivity meter conductivity electrode ●BNC socket (right) — connect pH electrode or ORP electrode, ●RCA socket (middle) — connect PC 850 pH/Conductivity meter temperature probe ●Eight-pin socket (left) — connect conductivity electrode 3.4. Reading Stability Display Mode When the measuring value is stable, smiley icon appears on LCD, see Diagram –... -
Page 8: Ph Measurement
4. pH Measurement 4.1. pH Electrode Information The meter matches 201T-F plastic three-in-one combination pH electrode with built-in temperature sensor to realize automatic temperature compensation. Electrode housing adopts polycarbonate engineering plastics which is corrosion and impact resistant. The BNC socket of electrode connects pH socket;... -
Page 9: Ph Calibration
taking a measurement. For general accuracy (≥±0.1pH), the meter can be calibrated and used for approximately one week before the next calibration. The meter must be recalibrated in the following situations: (a) New probe or probe that has not been used for a long time (b) After measuring acid (pH<2) or alkaline solutions (pH>12) (c) After measuring a solution that contains fluoride or a concentrated organic solution (d) If the solution’s temperature differs greatly from the calibration solution temperature... -
Page 10: Sample Test
point calibration is finished, the meter enters in measurement mode of three-point calibration. Calibration guide icons display at the bottom left of LCD. Notes: (a) The meter can perform 1-3 points calibration. When the 1 point calibration is done, the meter will enter in measurement mode of one-point calibration. -
Page 11: Ph Electrode Maintenance
Chart – 5 Self-diagnosis information of pH measurement mode Display Contents Check and Fix Icons 1. Check whether pH buffer solution is correct. Wrong pH buffer solution or the 2. Check whether the meter connects the recognition of calibration solution out electrode well. - Page 12 For calibration accuracy, the pH of the standard buffer solution must be reliable. The buffer solution should be refreshed often, especially after heavy use. 4.5.3. Protect glass bulb The sensitive glass bulb at the front of the combination electrode should not come in contact with hard surfaces.
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Page 13: Mv Value Measurement
5. mV Value Measurement 5.1. Press key, and switch the meter to mV measurement mode. Connect ORP electrode (need to purchase separately) and dip it in sample solution, stir the solution briefly and allow it to stay in the solution until icon appears and get the reading, which is the ORP value. -
Page 14: Conductivity Measurement
6. Conductivity Measurement 6.1. Conductivity Electrode Information 6.1.1. Conductivity electrode Model 2301T-S plastic conductivity electrode with constant K=1.0 and built-in temperature sensor, can realize automatic temperature compensation. The electrode housing is POM plastic which is corrosion resistant and impact resistant. When submerge the conductivity electrode in solution, stir the solution briefly to eliminate the air bubbles and improve response and stability. -
Page 15: Conductivity Calibration
(d) Use conductivity standard solution to check whether there is error. Perform calibration for large error. (e) For new electrode or factory default setting, perform 3-point or 4-point calibration. Choose closer standard solution to the sample solution to perform 1- point or 2-point calibration. 6.2.3. -
Page 16: Relationship Between Tds And Conductivity
The meter’s display will show blinking “CAL” at the top right, and scanning and locking process of calibration solution at the bottom right. When the meter locks 1413 mS, stable icon will display on LCD. Press key to complete calibration. The meter will return to measuring mode and is displayed on bottom left of the LCD screen. -
Page 17: Conductivity Electrode Maintenance
6.5.3. During the process of calibration and measurement, the meter has self-diagnosis functions, indicating the relative information as below: chart – 11. Chart – 11 Self-diagnosis information of conductivity measurement mode Display Icons Contents Checking 1. Check whether conductivity calibration solution is correct. -
Page 18: Submenu
P2.0: Conductivity parameter setting menu, P3.0: Basic parameter setting menu. 7.2. Submenu 7.2.1. In P1.0 mode, press key to enter in submenu P1.1 of pH parameter setting, then key to switch among submenu: P1.1→P1.2→P1.3→P1.4, see Diagram – 9. press 7.2.2. In P2.0 mode, press key to enter in submenu P2.1 of conductivity parameter setting, then press key to switch among submenu: P2.1→P2.2→P2.3→P2.4→P2.5, see Diagram–... -
Page 19: Submenu Of Ph Parameter Setting
7.3. Submenu of pH parameter setting (press key to switch) P1.1. – Select pH standard solution (USA-NIST) 1. In measurement mode, press key to enter in P1.0 mode, then press to enter in P1.1. 2. When press key, USA blinks, press key to select USA→nIS, press to confirm. -
Page 20: Submenu Of Standard Basic Parameter Setting
– P2.3. Adjust temperature compensation coefficient (0.00-9.99%) 1. Press key, 2.00 blinks, press key to adjust temperature compensation coefficient 0.00 – 9.99, press key to confirm. 2. After confirm the parameter, press key to enter in mode P2.4 or press key to return to the measurement mode. -
Page 21: Meter Kits
We warrant this instrument to be free from defects in material and workmanship and agree to repair or replace free of charge any malfunctioned or damaged product attributable to the responsibility of APERA INSTRUMENTS for a period of THREE YEARS for the instrument and SIX MONTHS for the probe from the delivery. -
Page 22: Appendix I: Parameter Setting & Factory Default Setting
Appendix I: Parameter setting & Factory default setting Restore to Modes Prompts Parameter setting items Abbreviation Description factory default P1.1 Select pH buffer solution USA－NIST P1.2 Select resolution 0.01 0.01－0.1 P1.0 Set reading stability P1.3 Normal Normal—High—Low criteria Restore to factory default P1.4 No－Yes setting... -
Page 23: Appendix Ii: Abbreviation Glossary
Appendix II: Abbreviation Glossary Code and Modes Prompts In English Description abbreviation P1.1 Standard buffers Standard buffer solution P1.2 Resolution Resolution P1.0 Set up reading stability P1.3 Stability criteria criteria P1.4 Factory default setting Factory default setting P2.1 Cell Constant Cell P2.2 Reference temperature Reference temperature... -
Page 24: Appendix Iii: Self-Diagnosis Information
APERA INSTRUMENTS (Europe) GmbH Address: Wilhelm-Muthmann-Str.15 42329 Wuppertal Germany Email: info@aperainst.de Website: www.aperainst.de Tel. +49 202 51988998 PC850 Version 1.0...
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