Sper-scientific 860031 pH - mV Bench-Top Meter Uživatelský manuál

1 Bench-Top Meters 860031, 860032, 860033 Instruction Manual

10 Holder Disassembly 1. Turn the base upside down. 2. Use a cylindrical object with an approximate 12 mm diameter to push the arm out

11 METER COMPONENTS Locate the two holes at the bottom of the meter. The cylindrical knob on the holder base is designed to fit into the hole

12 LCD DISPLAY Primary Data Screen displays pH, mV, ORP, Conductivity, TDS or Salinity value. Icons CON, TDS, SALT, ORP, pH, mV indicate the

13 KEYPAD POWER/SET CAL/ESC HLD/REC MODE/▲ MEMO/▼ MN/MX/CONFIRM Press to turn the meter on/off. Press and hold for more than 1 second to enter SET Mo

14 The bench-top meter provides a complete set of input connectors for various commonly-used accessories: REAR PANEL Connection Function D

15 SETUP MODE The advanced Setup Mode allows you to customize the following meter preferences and defaults:  Memory Transmission  Clear Memory

16 SETUP MODE software associated with this feature. 2. Press SET for 2 seconds to enter setup. “TR” appears on the middle of the LCD display a

17 SETUP MODE 4. Press to enter step P2.1. The default “NO” icon flashes on the middle display and P2.1 appears in the lower display.

18 SETUP MODE View Slope & Offset (pH Probe) 1. Press MODE to select the probe type as pH. 2. Press SET for 2 seconds to enter setup. 3. Press

19 SETUP MODE 6. Press to enter P3.5 and view the offset value. The offset value is the mV value of pH 7 (default 0.0). The offset value w

2 Bench-Top Meters 860031, 860032, 860033 Copyright ©2009 by Sper Scientific ALL RIGHTS RESERVED Printed in the USA 7720 E. Redfield Rd

20 SETUP MODE 4. Press to enter P3.1. Press to enter P3.2, P3.3, P3.4, P3.5. 5. Press ESC to return to P3.0. 6. Press ESC t

21 SETUP MODE Select Buffer 1. Press SET for 2 seconds to enter setup. 2. Press ▲ to select pH buffer. “BUF” appears on the middle of the LCD

22 SETUP MODE 6. Press ESC to return to Normal Mode. Cell Constant (Conductivity Probe) To view the probe data (cell constant) of each range: Not

23 SETUP MODE Temperature Setting (Conductivity Probe) Use this program to set the temperature parameters and TDS conversion factors. 1. Press MODE

24 SETUP MODE P5.2 will appear on the lower portion. 6. To adjust the temperature coefficient from 2.1, press ▲ or ▼. Press to conf

25 SETUP MODE ▼ to adjust the value. Press to confirm and return to P5.0. Ready Icon This feature enable

26 SETUP MODE Temperature Units To select either Celsius or Fahrenheit temperature scale: 1. Press SET for 2 seconds to enter setup. 2. Press ▲ to

27 SETUP MODE on the lower display. 3. Press to enter P8.1. The year flashes in the lower left corner of the LCD display. (The yea

28 SETUP MODE mode as COND/TDS/SALT. Refer to pages 70-71 for default values of each parameter. 1. Press SET for 2 seconds to enter setup. 2.

29 PH PROBE CALIBRATION Calibration is necessary before measurement. For the highest accuracy, we recommend a two point calibration. If only calibra

3 TABLE OF CONTENTS INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . .

30 PH PROBE CALIBRATION 7. If NIST is selected, the lower display indicates the value of the solution at the current temperature. Note... If this

31 CONDUCTIVITY PROBE CALIBRATION Selecting Calibration Standard Solution For best results, select a conductivity, TDS or NaCl standard near th

32 1999 range), the previous 1413 uS calibration point will be replaced in this range (0 ~ 1999 uS). However, the meter will retain the calibration

33 4. Rinse the probe in one of the containers. Gently stir the probe. 5. Dip the rinsed probe into the other container. Tap the probe on the bo

34 Note… You can adjust the conductivity reading ± 20% from the measured value. If the detected value and the standard value differ by more than ± 2

35 Example 2: Standard: 1.6 uS; Detected value: 2.1 uS Adjustable range: ± 0.42 uS (2.1*20) Although the measured value differs less than 20%, the 1.

36 There are two options for TDS calibration: Option 1: Using TDS Standards The procedure for TDS calibration is almost the same as the procedure for

37 The procedure for salinity calibration is almost the same as the procedure for conductivity calibration. Differences are as follows: 1. In Measu

38 MEASUREMENT PROCEDURES Preparing for Measurement 1. Assemble the probe holder and attach the holder to the meter (pages 9-10). 2. Connect an ad

39 MEASUREMENT PROCEDURES IMPORTANT: The temperature of the measured liquid must be stable. pH and conductivity probes CANNOT be placed in the same

4 TABLE OF CONTENTS PH PROBE CALIBRATION. . . . . . . . . . . . . . . . . . . . CONDUCTIVITY PROBE CALIBRATION. . . . . . . . . TDS CALIBRATION.

40 MEASUREMENT PROCEDURES minutes in a KCl solution. DO NOT wipe the pH probe dry. Wiping the probe may cause static and cause calibration

41 MEASUREMENT PROCEDURES 3. Follow Steps 3-5 in the pH Measurement section (page 40) to obtain a reading. 4. Press MODE to switch between mV a

42 MEASUREMENT PROCEDURES Conductivity Measurement The conductivity probe measures 0 ~ 19.99 uS/cm, 0 ~ 199.9 uS/cm, 0 ~ 1999 uS/cm, 0 ~ 19.99 mS/cm,

43 MEASUREMENT PROCEDURES 6. Press MODE to switch between CON and TDS/SALT. Total Dissolved Solid Measurement TDS readings display ppm or ppt on the

44 MEASUREMENT PROCEDURES 6. Press MODE to switch between TDS and CON/SALT. Salinity Measurement Use a conductivity probe to measure salinity ran

45 MEASUREMENT PROCEDURES Note… pH and conductivity probes CANNOT be placed in the same container while taking measurements. Improper measurem

46 2. Press MODE to select pH Mode. 3. To set the temperature, press for more than 1 second. “CAL” will flash on the LCD. 4. Press ▲ or ▼ to ch

47 correspondent resolution): 1. While in Normal Mode, press to select the range setting. 2. If you select automatic range setting,

48 MEASUREMENT PROCEDURES 2. “MEM” will appear on the LCD. The memory number and measured value will flash and the meter will return to Normal Mode

49 MEASUREMENT PROCEDURES Recall Maximum & Minimum This function reviews a maximum and minimum value for all the data points stored in th

5 TABLE OF CONTENTS ERROR CODES . . . . . . . . . . . . . . . . . . . . . . . . . . . . PC CONNECTION . . . . . . . . . . . . . . . . . . . . . . .

50 MAINTENANCE pH Probe It is important to keep the pH probe wet when not in use. The probe is protected by a plastic bottle containing solu

51 MAINTENANCE The following actions will keep the probe in good working condition:  Always keep the pH glass bulb wet by using the plastic bott

52 MAINTENANCE To expose the new unused fiber portion: 1. Use tweezers to pull out the fiber junction and expose the new unused portion. 2. C

53 MAINTENANCE  Do NOT touch the surface of the conductivity probe’s testing element with hard objects.  Do NOT use anything to rub the platinu

54 MAINTENANCE the probe should be rinsed and stored in the soaker bottle filled with the soaking solution. ORP Probe Cleaning A contaminated se

55 TROUBLESHOOTING Meter does not turn on: 1. Press POWER for more than 2 seconds. 2. Check the power adapter connection. Unstable readi

56 ERROR CODES E02 Reading is under the lower range limit; See page 67 for range specifications for all parameters E03 Reading is o

57 PC CONNECTION The meter can interface with a personal computer to capture on-line or stored data. Connection procedures: 1. Plug a USB or

58 PC CONNECTION Note... The first value is the pH reading in pH, the second value is the Voltage reading in mV, the third value is Conductivity in

59 PC CONNECTION Description: $mV:Temp LRC CRLF Format in Memory Transmit (Conductivity Mode) Normal Data: Cxxxx(xx.xx, xxx.x)mS(uS) : Txxx.xC(F) #x

6 INTRODUCTION Sper Scientific is pleased to offer the following line of bench-top meters: Model 860031 (pH/mV) Model 860032 (Conductivity/TDS/Salin

60 PC CONNECTION Format in Memory Transmit (Salt Mode) Normal Data: Sxx.x(xx.xx) ppt : Txxx.xC(F) #xx @2007-04-18 18:48:48LRCCRLF Errors: ExxNul: Ex

61 APPENDICES APPENDIX A: CONDUCTIVITY to TDS CONVERSION FACTORS 442 stands for: 40% sodium sulfate, 40% sodium bicarbonate and 20% sodium chloride.

62 APPENDICES Actual Conductivity: Value measured using a properly cal-ibrated Conductivity/TDS/Temperature meter. Both the actual TDS and the ac

63 APPENDICES Linear Temperature Correction In moderately and highly conductive solutions, temperature correction can be based on a linear equation

64 APPENDICES T2 should be selected as a typical sample temperature and should be approximately 10°C different from T1. The temperature coeffici

65 OPTIONAL ACCESSORIES For 860031 (pH/mV) 840016 pH Probe (non-ATC) 840049 Spear Tip pH Probe (non-ATC) 850059P Replacement ATC pH Probe 850088

66 OPTIONAL ACCESSORIES 860009 pH7, 3 bottles, 40mL each 860010 pH10, 3 bottles, 40mL each 860011 De-ionized Water, 3 bottles, 40mL each

67 SPECIFICATIONS Unit of Measure Range Resolution Accuracy pH 0 ~ 14 pH 0.01 pH ± 0.02 pH ORP -1999 ~1999 mV 0.1 mV (-199.9 ~ 199.9 mV) otherwi

68 SPECIFICATIONS Unit of Measure ATC or MTC Calibration Calibration Acceptable Window pH Yes Maximum 5 points automatic buffer recognition NIST: ± 1

69 SPECIFICATIONS pH Slope/Offset display (pH Mode only) Slope alarm Out of 75% to 115% (pH) Offset alarm Out of ±60 mV (pH) Conductiv

7 FEATURES  Multi-display LCD screen  Automatic buffer recognition  5 point pH calibration  Hold function  Maximum and minimum  Reliabl

70 Conductivity Default Settings Program Function Default Display Note P1.0 P1.1 Memory transmitting MEM sent by RS232 No default “tr” “out” Fol

71 pH/mV Default Settings SPECIFICATIONS Program Function Default Display Note P1.0 P1.1 Memory transmitting MEM sent by RS232 No default “tr”

72 WARRANTY Sper Scientific warrants this product against defects in materials and workmanship for a period of five (5) years from the date of purch

8 POWER SUPPLY The meter is powered by a 9 Volt DC adapter (included). The plug of the adaptor is USA type; you will need to purchase a plug co

9 Meter Drawer A built-in drawer is located on the bottom of the bench-top meter. Pull the drawer out and use to store notes and other important re