appendix h: instrument calibration and measurements
Contents
1. CO and then switch to the buffer value reading 2 5 Repeat with other buffers if necessary pHTestr 2 only Rinse electrode in tap water before dipping into next buffer B Measurement 1 Remove cap from the electrode and press the ON OFF button to switch Testr on 2 Dip the electrode 1 2 to 1 into the test solution Stir once and let the reading stabilize Note the pH or press HOLD CON button to freeze the reading Press HOLD CON again to release the reading 4 Press ON OFF to turn off Testr If you do not press a button for 8 5 minutes the Testr will automatically shut off to conserve batteries n If possible keep a small piece of paper or sponge in the electrode cap moistened with clean water or electrode storage solution NOT DE IONIZED WATER and close the cap over the electrode H 9 Appendix H Instrument Calibration and Measurements C Specifications Specifications NY ACLU LLL Aran i paint pH 4 0 3 points pH 4 0 aa 7 0 or 10 0 7 0 and 10 0 ATC Operating Ato SC 32 to 122 F Temperature Oto 50 C 32 to 122 F ON OFF HOLD CA Calibrate CO Confirm display auto buffer recognition auto shutoff after 8 5 min ofnonuse Functions Three 1 5 V batteries included Power 24 hours continuous use approx 720 tests per battery set Dimensions 6 5 Lx 1 5 dia 165 x 38 mm dia Weight 3 25 oz 90 gms H 10 Appendix H Instrument Calibration an2. 01 C Dissolved Oxygen 0 to 50 mg L 0 2 mg L lt 20 mg L 0 01 mg L 0 6 mg L gt 20 mg L Specific Conductance 0 to 100 mS cm l of reading 1 count 4 digits H 2 to 12 units 0 2 units 0 01 units ORP 999 to 999 mV 25 mV mV Vented Depth 10m Oto 10 m 0 003 m 0 01 ft 0 001 m Depth 25m Oto 25 m 40 1 m 0 1m Depth 100m 0 to 100 m 0 3 m 0 1m Turbidity 0 to 1000 NTU 5 of reading 1 NTU 0 1 NTU lt 100 NTU re een meena aE er Salinity 0 to 70 PSS 1 of reading 1 count 0 01 PSS H 3 Appendix H Instrument Calibration and Measurements YSI 6920 V2 Multi Parameter Water Quality Sonde For detailed instructions with graphics along with important notes please refer to the User Manual A Calibration 1 Ensure that the sensor probe is connected and sensor probe is fully immersed in standard solution 2 Press the POWER key d Select Sonde Menu and press Enter Select Calibrate and press Enter Select parameter you wish to calibrate and press Enter Select 1 3 point calibration dependent on parameter and press Enter Type in standard solution value and press Enter Wait for readings to stabilize then press Enter to calibrate sensor mga rh 3 Fully rinse probe and calibration cup with DI water then dry before filling with next standard solution a When calibrating pH calibrate 7 0 first then 10 0 or 4 0 b When calibrating optical sensors DO or Turbidity clean optics before calibrating c When calibrating DO sens
3. 5 9 x 1 7 x 1 151 x 42 x 24 mm Weight 3 25 oz 90 gms H 12 Appendix H Instrument Calibration and Measurements Hanna Instruments HI 98129 Waterproof pH EC TDS amp Temperature Multimeter For detailed instructions with graphics along with important notes please refer to the Operation Manual A Calibration 1 pH calibration 1 1 1 2 1 3 1 4 From measurement mode press and hold the MODE button until CAL is displayed on the lower LCD Release the button The LCD will display pH 7 01 USE or pH 6 86 USE if you have selected the NIST buffer set The CAL tag blinks on the LCD For a single point pH calibration place the electrode in any buffer from the selected buffer set e g pH 7 01 or pH 4 01 or pH 10 01 The meter will recognize the buffer value automatically 1 2 1 If using pH 4 01 or pH 10 01 the meter will display OK for 1 second and then return to measurement mode 1 2 2 If using pH 7 01 after recognition of the buffer the meter will ask for pH 4 01 as second calibration point Press the MODE button to return to measurement mode or if desired proceed with the 2 point calibration as explained below A two point pH calibration give better accuracy For a two point pH calibration place the electrode in pH 7 01 or 6 86 if you have selected the NIST buffer set The meter will recognize the buffer value and then display pH 4 01 USE 1 3 1 Rinse the electrode thoroughly to eliminate cross conta
4. HOLD button 2 2 Submerge the probe in the solution to be tested Use plastic beakers to minimize any electromagnetic interferences 2 3 The measurements should be taken when the stability symbol on the top left of the LCD disappears 2 4 The EC or TDS value automatically compensated for temperature is shown on the primary LCD while the secondary LCD shows the temperature of the sample Appendix H Instrument Calibration and Measurements C Specifications Range Temperaure 0 0 to 600 C or 32 0 to 140 0 F HI 98129 pH 0 00 to 14 00 EC 0 to 3999 pS cm TDS 0 to 2000 ppm HI 98130 pH 0 00 to 14 00 EC 0 00 to 20 00 mS cm TDS 0 00 to 10 00 ppt Resolution 0 1 C or 0 1 F HI 98129 0 01 pH 1 S cm 1 ppm HI 98130 0 01 pH 0 01 mS cm 0 01 ppt Accuracy 20 C 68 F Temperature 0 5 C of 1 F EC TDS P ts pH 0 01 Typical EMC Deviation Temperature 0 5 C of 1 F pH 0 02 pH EC TDS tZ s Temp Compensation pH Automatic EC TDS with B 0 0to 2 4 C Environment 0 to 50 C 32 to 127 F RH 100 EC TDS Conversion Factor 045 to 1 00 CONV Calibration pH at or 2 poirts with 2 sets of memo rized buffers pH 4 01 7 01 10 01 or pH 4 01 6 86 9 18 EC TDS automatic amp 1 pont EC TDS Calibration Solutions HI 98129 HI7O31 1413 pS cm HI7032 1382 ppm CONV 0 5 HI7O442 1500 ppm CONV 0 7 HI 98130 HI7030 12 88 mS cm HI70038 6 44 ppt CONV 0 5 or 9 02 ppt CONV 0 7 Electrode HI 7312
5. of the pH COND TURB DO and DEP modes End will be displayed on the screen Press the MEAS key to return to the Measurement mode B Measurement 1 2 4 Slowly immerse the sensor in the sample Select the measurement item Use the MEAS key to switch measurement items in the following order pH COND TURB DO TEMP DEP SAL TDS co ORP TIME then back to pH After taking the measurement 3 1 Turn the power off 3 2 Use tap water to completely wash off the sample on the sensor and then wipe water drops 3 3 Pour about 20 mL about 2 cm from the bottom of distilled water in the probe cap and install it on the sensor probe Place the rubber cap on the connector and store the instrument in the carrying case Water quality data should always be recorded to the Field Data Sheet while out in the field To additionally manually store the measurement data up to 2880 sets in the instrument for later download 4 1 Make sure that MAN is displayed as the Measurement mode 4 2 Press the ENT key Data storage starts DATA IN and the data set number is displayed on the screen and the measured value to be stored and the measurement item are displayed in order at approximately 0 5 second intervals After the data are stored to memory the screen returns to the original Measurement mode Note the data set number on the Field Data Sheet H 7 Appendix H Instrument Calibration and Measurements 5 Viewing stored data o
6. 00 to 0 650 5065 0 5 to 6 5 0 00 to 0 65 Seawater specific gravity 0 0 0 to 50 0 0 to 50 Oxygen reduction potential ORP 1999 to 1999 mV 1 Depending on the concentration range the minimum turbidity is displayed as follows Oto 100 NTU 1 NTU for standard readout 0 1 NTU for expanded readout 100 to 800 NTU 10 NTU for standard readout 1 NTU for expanded readout 2 The TDS range depends on the TDS factor settings Above ranges are given for a TDS coefficient of 0 65 Appendix H Instrument Calibration and Measurements Oakton Waterproof pHTestr 2 For detailed instructions with graphics along with important notes please refer to the Operation Manual A Calibration 1 Before you begin Remove electrode cap To condition electrode immerse electrode in electrode storage solution buffer or tap water for at least 30 minutes DO NOT USE DE IONIZED WATER 2 Calibration Calibration should be done regularly typically every day that the Testr is used Calibrate the pHTestr 2 at three points pH 4 7 10 2 1 Press ON OFF button to switch unit on 2 2 Dip electrode 1 2 to 1 into chosen buffer pH 4 7 or 10 2 3 Press CAL button to enter Calibrate CA mode CA flashes on the display Then a pH value close to the pH buffer value will flash repeatedly 2 4 After at least 30 seconds about 30 flashes press the HOLD CON button to confirm calibration The display will show
7. 7 pH electrode neluded Batterylype Life 4x 1 5V with BEPS typical 100 hours A to off After 8 min Dimensions 163 x40 x 26 mm 6 4 x 1 6 x 1 0 Weight 85 g 3 0 02 H 15
8. Riverside County Flood Control and Water Conservation District Volume II QAPP Consolidated Monitoring Program July 2014 APPENDIX H INSTRUMENT CALIBRATION AND MEASUREMENTS This Appendix represents current equipment used by the District which may change as programmatic updates are implemented WATER POLLUTION PREVENTION FUNDED BY THE CITIES AND COUNTY OF RIVERSIDE rcflood org NPDES Report illegal dumping 800 506 2555 Appendix H Instrument Calibration and Measurements Omega HHWT 11 Handheld Chlorine Photometer For operational instructions with graphics along with important notes please refer to the Operation Manual which can be found online at the following website http www omega com manuals manualpdf M5098 pdf ISCO 3700 Portable Sampler For operational instructions with graphics along with important notes please refer to the Operation Manual which can be found online at the following website http www isco com pcfiles PartPDF SL000004 UP0019H4 pdf Appendix H Instrument Calibration and Measurements Hydrolab Quanta Multi Parameter Water Quality Monitor For detailed instructions with graphics along with important notes please refer to the Operation Manual A Calibration 1 2 Ensure that the sensor probe is connected Wash the sensor in distilled water a few times and put some of the pH 4 standard solution into the calibration beaker to the marked line Immerse the sensor in
9. d Measurements Oakton TDSTestr 20 For detailed instructions with graphics along with important notes please refer to the Operation Manual A Calibration Before you Begin Remove electrode cap Switch unit on for 15 minutes to stabilize the batteries Soak electrodes for a few minutes in alcohol to remove oils Caution Never immerse the electrode above color band as it will damage the instrument electronics 1 2 Calibration Your tester features push button calibration at two points one per range Select a calibration standard appropriate for each range low range between 150 to 1999 uS high range between 2 0 to 19 99 mS It is best to select a standard close to the test solution value and one that has a similar chemical make up to the test solution 2 1 2 2 2 3 2 4 2 5 2 6 2 7 Rinse the electrode in tap or deionized water then in a known calibration standard Switch unit on ON OFF button Dip electrode into calibration standard DO NOT immerse above color band Press CAL CON button to enter Calibrate mode CA flashes on the display An uncalibrated conductivity value close to the calibration standard value will flash Wait at least 30 seconds about 30 flashes for the reading to stabilize Press the HOLD INC button repeatedly to adjust reading to match value of the known calibration standard Press CAL CON button to confirm calibration The display will show CO and then switch to a ca
10. librated conductivity reading For second range repeat steps 1 6 B Measurement Remove cap from electrode Switch unit on ON OFF button 1 2 Rinse the electrode in tap or deionized water then in a small portion of test solution Dip the electrode into the test solution Stir once and let the reading stabilize DO NOT immerse electrode above color band Allow time for the Automatic Temperature Compensation to correct the readings for solution temperature changes Note the reading once the display is stable Press HOLD CON button to freeze the reading Press HOLD CON again to release the reading Press ON OFF to turn off Testr If you do not press a button for 8 5 minutes the Testr will automatically shut off to conserve batteries Appendix H Instrument Calibration and Measurements C Specifications Specifications pst a Range 0 to 999 ppm 0 to 1999 pS 1 00 to 9 99 ppt 2 0 to 19 99 mS Resolution 1 ppm 1 pS 0 01 ppt 0 01 mS 2 full scale Calibration two point push button slope adjustments ane in each range Calibration 100 to 969 ppm 150 to 1999 pS Standard 2 00 to 9 99 ppt 2 0 to 19 99 mS Operating 7 Temperature 32 to 122 F 0 to 50 C ATC 32 to 122 F 0 to 50 C 1 11 per F 2 per C Power Four 1 5 V alkaline batteries Eveready A76BP supplied 20 hrs continuous use Alternate replacement Model Eveready 303 silver oxide 70 hrs continuous use Dimensions f
11. mination 1 3 2 Place the electrode in the second buffer value pH 4 01 or 10 01 or if using NIST pH 4 01 or 9 18 When the second buffer is recognized the LCD will display OK for 1 second and the meter will return to normal measurement mode The CAL symbol on the LCD means that the meter is calibrated 2 EC TDS calibration 2 1 2 2 2 3 2 4 25 From measurement mode press and hold the MODE button until CAL is displayed on the lower LCD Release the button and immerse the probe in the proper calibration solution HI7031 1413 uS cm for HI98129 and HI7030 12 88 mS cm for HI98130 Once the calibration has been automatically performed the LCD will display OK for 1 second and the meter will return to normal measurement mode Since there is a known relationship between EC and TDS readings it is not necessary to calibrate the meter in TDS The CAL symbol on the LCD means that the meter is calibrated Appendix H Instrument Calibration and Measurements B Measurement 1 pH measurement 1 1 Select the pH mode with the SET HOLD button 1 2 Submerge the electrode in the solution to be tested 1 3 The measurements should be taken when the stability symbol on the top left of the LCD disappears 1 4 The pH value automatically compensated for temperature is shown on the primary LCD while the secondary LCD shows the temperature of the sample 2 EC TDS measurement 2 1 Select either EC or TDS mode with the SET
12. n electrode Li ai Eaa 0 to 14 units oo sosvessssospe 0 2 units Resolution 0 01 units Temperature Range 5 to 50 C i e i UNNS 200 meters Turbidity Sensor type Optical 90 scatter with mechanical cleaning iisa VOPNA 0 to 1000 NTU ACCULACY se0seseeee 2 of the reading or 0 3 NTU whichever is greater in YSI AMCO AEPA standards Resolution 0 1 NTU Temperature Range 5 to 50 C DN eve ccn sass og 61 meters Conductivity Sensor Type 4 electrode cell with autoranging i 0 to 100 mS cm ABCUTEIY ccsvciceciones 0 5 of reading 0 001 mS cm Resolution 0 001 mS cm to 0 1 mS cm range dependent Temperature Range 5 to 60 C i soisiissicn aa 200 meters H 6 Appendix H Instrument Calibration and Measurements Horiba U 22XD Multi Parameter Water Quality Monitoring System For detailed instructions with graphics along with important notes please refer to the Operation Manual A Calibration 1 2 Ensure that the sensor probe is connected Press the POWER key Wash the sensor in distilled water a few times and put some of the pH 4 standard solution into the calibration beaker to the marked line Immerse the sensor in the calibration beaker Press the CAL auto calibration mode key in one of the Measurement modes pH COND TURB DO AUTO and CAL appear and the instrument enters the AUTO calibration mode Press the ENT key to start AUTO calibration Upon completion
13. n the Horiba note that the data cannot be transferred to a PC only to a Horiba printer 5 1 Press the DATA key in the Measurement mode The instrument goes into DATA mode 5 2 Press the DATA key The measurement data are displayed Data you want to call can be displayed by selecting a measurement item and data number 5 3 Press the UP DOWN keys to switch the measurement item or number that has been selected with the DATA key 5 4 Press the DATA key Use the UP DOWN keys to switch between Year Month Day and Hour Minute Second C Specifications Measurement range Measurement item pH Measurement range Expanded 0 00 to 14 00 Standard 0 0 to 14 0 1999 to 1999 Measurement units pH mV in pH measurement Conductivity COND Range Range 2 Range 3 Turbidity TURB 1 0 90 to 9 99 9 0 to 99 9 0 090 to 0 999 0 90 to 9 99 0 0 to 99 9 0 000 to 0 999 0 0 to 800 0 0 9 to 9 9 9 to 99 0 09 to 0 99 0 9 to 9 9 0 to 99 0 00 to 0 99 0 to 800 S m mS cm S m mS cm mS m mS em NTU nephelometric turbidity units or mg L Dissolved oxygen DO Temperature TEMP 0 00 to 19 99 0 0 to 199 9 0 00 to 55 00 0 0 to 19 9 0 to 199 0 0 to 55 0 mg L Water depth DEP 0 0 to 100 0 0 0 to 330 0 Oto 100 0 to 330 Salinity SAL 0 00 to 4 00 0 0 to 4 0 Total dissolved solids Range TDS 2 Range 2 Range 3 5 5 to 65 0 0 55 to 6 50 0 0
14. or allow atmosphere in calibration cup to stabilize for 15 mins with DI water before calibration B Measurement 1 Always attach the flow thru Guard to protect to the sensors before taking measurements 2 Slowly immerse the sensor in the sample 3 Turn the power on and allow measurements to stabilize 4 Record the measurements on the Field Data Sheet while out in the field 5 After taking the measurement 5 1 Turn the power off 5 2 Use DI water to completely wash off the sample on the sensor and then wipe water drops 5 3 Pour about 20 mL about 2 cm from the bottom of distilled water in the storage cup and install it on the sensor probe and store the instrument in the carrying case H 4 C Specifications 6920V2 2 SONDE Available Sensors Operating Environment Storage Temperature Material Diameter Length Weight Computer Interface Internal logging memory size Appendix H Instrument Calibration and Measurements Temperature Conductivity pH ORP one ion selective electrode ammonium nitrate or chloride and Depth shallow medium shallow vented Two total optical sensors ROX Optical DO Turbidity Chlorophyll Rhodamine WT BGA PC or BGA PE Medium fresh sea or polluted water Temperature 5 to 50 C for most sensors Depth 0 to 200 feet 61 meters 40 to 60 C for sonde and all sensors except pH pH ORP ISE and optical sensors 10 to 60 C for pH pH ORP ISE and op
15. the calibration beaker Press the POWER key a Use arrow keys to select CALIB and press Enter b Select parameter you wish to calibrate and press Enter c Use arrow keys to adjust reading to standard solution press Enter 5 Fully rinse probe and calibration cup with DI water then dry before filling with next standard solution a When calibrating pH calibrate 7 0 first then 10 0 or 4 0 NOTE Quanta only does 2 point pH calibration b When calibrating DO sensor fill cup with DI water to O ring of membrane on DO probe Use accurate mmHg to calibrate DO this will calibrate mg L DO at the same time B Measurement 1 2 Always attach the Guard to protect to the sensors before taking measurements Slowly immerse the sensor in the sample Turn the power on and allow measurements to stabilize Record the measurements on the Field Data Sheet while out in the field Select the SCREEN icon and use the ENTER key to switch measurement items After taking the measurement 5 1 Turn the power off 5 2 Use DI water to completely wash off the sample on the sensor and then wipe water drops 5 3 Pour about 20 mL about 2 cm from the bottom of distilled water in the storage cup and install it on the sensor probe and store the instrument in the carrying case H 2 Appendix H Instrument Calibration and Measurements C Specifications Performance Specifications Range Accurac Resolution Temperature 5 C to 50 C 0 2 C 0
16. tical sensors Polyurethane PVC Stainless Steel 2 9 inches 7 4 cm Approximately 18 25 inches 46 4 cm with no depth 19 63 inches 49 9 cm with depth Approximately 3 74 pounds 1 7 kg RS 232C SDI 12 384 kilobytes 150 000 individual parameter readings Power 8 AA size Alkaline Batteries or External 12 VDC Battery Life Approximately 32 days at 20 C at a 15 minute logging interval with ROX Optical DO another optical sensor turbidity chlorophyll Rhodamine WT BGA BC or BGA PE temperature conductivity and pH active Battery life is heavily dependent on sensor configuration and is given above for a typical sensor ensemble If you have a different sensor configuration set up your sonde for a deployment in the Run Unattended menu and check the projected approximate battery life Temperature Sensor Type Thermistor a 5 to 50 C ACCUFACY 0s00000e0s 0 15 C Resolution 0 01 C E n re 200 meters Appendix H Instrument Calibration and Measurements ROX Optical Dissolved Oxygen mg L Calculated from air saturation temperature and salinity Sensor Type Optical Luminescence Lifetime Ripin 0 to 50 mg L ARCULACY vasccccosassces 0 to 20 mg L 1 of the reading or 0 1 mg L whichever is greater 20 to 50 mg L 15 of the reading Relative to Calibration Gases Resolution 0 01 mg L Temperature Range 5 to 50 C pH Sensor Type Glass combinatio
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