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Summary of Contents for EUTECH INSTRUMENTS 2700
- Page 1 Instruction Manual 2700 Series Benchtop Meters pH 2700 ● ION 2700 ● CON 2700 ● DO 2700 ● PC 2700 Technology Made Easy ... Part of Thermo Fisher Scientific 68X544001 Rev 0 May 2010...
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Page 3: Table Of Contents
TABLE OF CONTENTS 1. Introduction..................1 2. Getting Started.................2 Keypad and Display ....................2 Navigation of Tabs .....................3 Meter Connections .....................4 3. System Setup & Configuration............5 Stability ........................5 Stability Criteria......................6 Auto Read ........................6 Print Set........................7 Date & Time.........................8 Password ........................8 Clear Datalog ......................8 Factory Reset......................9 Contrast Adjustment....................9 4. - Page 4 Sample ID ........................27 Measure Unit.......................27 Alarm ...........................27 Cal Due ........................28 14. Ion Calibration..................29 15. Dissolved Oxygen Setup ..............31 Sample ID ........................31 Offset Cal (% saturation only) ...................31 Pressure Unit (% saturation mode only) ..............31 Pressure Cal (% saturation mode only) ..............32 Pressure Compensation (% saturation mode only)..........32 Measure Unit (concentration mode only) ..............32 Salinity Value (concentration mode only)..............33...
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Page 5: Introduction
The 2700 series benchtop meter replaces our popular 1100 and 2100 series meters that were introduced in 2001. Please note that this manual serves all 2700 models, so not all sections of the manual will be relevant to each model. The chart below lists the parameters... -
Page 6: Getting Started
Getting Started Keypad and Display Auto Read is enabled. When flashing, the instrument has detected a ‘Stable’ reading and locked the value. Press MEAS to resume live reading. See Section 3—Auto Read to disable this feature, or go to SETUP…SYSTEM…AUTO READ. Based on the stability criteria settings in System Setup, the instrument has detected a stable reading. -
Page 7: Navigation Of Tabs
Navigation of Tabs... -
Page 8: Meter Connections
8-pin DIN connection for Dissolved Oxygen/Temp self stirring electrode For Automatic Temperature Compensation probe. For PC 2700, this corresponds to the temperature measurement associated with the BNC (“pH”) input. Pin connection for half cell reference electrodes. Requires separate half cell electrode in the BNC (“pH”) input. -
Page 9: System Setup & Configuration
System Setup & Configuration Use the System Setup to customize operation of your 2700 series meter. Press from the measurement screen and then press ENTER when SYSTEM is highlighted to access these settings. The following settings can be customized for each model:... -
Page 10: Stability Criteria
Stability Criteria The 2700 allows adjustment of the Stable indicator which relates to how fast and frequent it appears. There are three levels of adjustment; SLOW, MEDIUM, & FAST. To display a ‘Stable’ reading more quickly and more often, use “FAST” setting. -
Page 11: Print Set
Data Log (storing data to internal memory) Select “SINGLE” to manually save one point at a time. Press the “MEM IN” function key any time during measurement to save data. Select “TIMED” to automatically save data at selectable intervals— ranging from 3 to 3600 seconds. -
Page 12: Date & Time
When the memory is full, deleting the saved data is required in order to save additional data/ The 2700 will never erase old data in favor of new data when the memory is full. -
Page 13: Factory Reset
Factory Reset Select “YES” to reset the 2700 to the factory default settings except; Date & Time, Temperature calibration, and data stored in memory. Contrast Adjustment Optimize the contrast setting of your 2700 display for best visibility in your surrounding lighting conditions. Test various contrast settings for best results. -
Page 14: Setup Ph & Mv
Setup pH & mV Use Setup pH or mV mode to customize these parameters. Note: mV setup offers Sample ID and Alarm setting only. Press from the measurement screen and then press ENTER when pH or mV is selected. Sample ID This is a user selectable number from 1 to 99999. -
Page 15: Cal Points
5 standards, but you will only be using 3 standards (pH 4, 7, and 10), selecting 3 calibration points here will speed up the calibration process—the 2700 will automatically recognize calibration is finished after the 3 point has been completed. -
Page 16: Ph Calibration (With Preset Buffer Group)
6.2 to 9.5, calibration with 4.01, 7.00, and 10.01 will work well. The 2700 series meters can be calibrated with up to 5 preset or custom buffers (up to 6 with DIN buffer group). The non-volatile memory retains all calibration values upon meter shut down. - Page 17 Section 3—Password. 4) The primary display is the un-calibrated measured value. The 2700 automatically searches for and selects the appropriate value from your buffer group in the secondary display. This value will blink when the ‘Stable’ indicator appears. Selecting CLR-C will clear the existing calibration.
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Page 18: Ph Calibration (With Custom Buffers)
pH Calibration (with custom buffers) Buffer Group pH Values CUSTOM Any 2 - 5 values, ≥ 1.0 pH unit apart 1) Turn meter on, press MODE if needed for pH measurement mode. 2) Rinse the pH and ATC electrodes then submerse in your custom pH buffer— any pH value can be used. - Page 19 5) Rinse the pH and ATC electrodes then submerse in next custom pH buffer. Use any pH value that is at least 1.0 pH unit from custom pH standards that have already been calibrated. 6) Repeat Step 5 with additional pH buffers (up to 5 custom buffers) in any order.
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Page 20: Millivolt (Mv) Calibration (Offset Adjustment)
Millivolt (mV) Calibration (Offset Adjustment) Oxidization Reduction Potential (ORP or Redox) as measured by an ORP electrode in mV units is not a precise measurement, but is useful as a relative indicator. As such, mV offset adjustment is not meant to enhance accuracy, but rather to make readings comparable to a reference. -
Page 21: Temperature Setup
Temperature Setup Use Setup Temperature mode to desired temperature units; º C or º F. Press from the measurement screen and then press ENTER when TEMPERATURE is selected. Choose º C or º F temperature units of measure. Automatic Temperature Compensation (ATC) is automatically applied when a temperature sensor is connected. -
Page 22: Temperature Calibration
The temperature probe may be separate or built into a pH, Conductivity, or Oxygen electrode. The PC 2700 has two temperature sensors available—one built into Conductivity, and another for use with the BNC connection. -
Page 23: Conductivity, Tds, Salinity, & Resistivity Setup
Cal Method (conductivity mode only) The 2700 is capable of automatic or manual calibration for conductivity, and manual calibration for TDS, Salinity, and Resistivity. This option allows you to select AUTO (automatic) or MANUAL conductivity calibration. -
Page 24: Cal Points
automatic calibration is recommended. Otherwise, manual calibration should be selected. The factory default is automatic conductivity calibration. Note that automatic calibration is not available for conductivity range 1. Cal Points Use SINGLE for Single-Point Calibration (SPC) to apply a single calibration value across all ranges. Use MULTI for Multi-Point Calibration (MPC) to calibrate each range individually. -
Page 25: Normalization Temperature (°C)
Adjust the value from 15.0 to 35.0 º C. Note: Use the normalization temperature that is referenced on your calibration standard(s). This will usually match the 2700 factory default value (25 º C). TDS Factor (TDS mode only) The TDS conversion factor is the number used by the 2700 to convert from conductivity to TDS. -
Page 26: Alarm
Alarm The 2700 offers a visual and audible alarm to alert you when the High or Low values that have been set from this menu are exceeded. “High Alarm” or “Low Alarm” will blink on the display if the values are exceeded while simultaneously, a loud, intermittent beeping sound is heard. -
Page 27: Conductivity Calibration (Automatic)
Conductivity Calibration (automatic) For best results, periodic calibration with known accurate standards is recommended prior to measurement. Calibrate with standards that are close in value to your intended sample(s). When using multi-point calibration, perform a calibration in each range that you expect to use for best results. - Page 28 5) For multi-point calibration repeat steps 2 & 3 with additional standards. Press ESC to save the calibration, or press NEXT to view the calibration report. Calibrate one point per range, up to 4. Additional automatic conductivity calibration notes: A maximum of one calibration point per range can be performed. If multiple calibration points are used in the same range, the most recent one will replace the previous one.
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Page 29: Conductivity, Tds, Salinity, & Resistivity Calibration (Manual Adjustment)
Conductivity, TDS, Salinity, & Resistivity Calibration (manual adjustment) For best results, periodic calibration with known accurate standards is recommended prior to measurement. Calibrate with standards that are close in value to your intended sample(s). When using multi-point calibration, perform a calibration in each range that you expect to use for best results. - Page 30 Before and after a manual calibration 5) For multi-point calibration repeat with additional standards. Press ESC to save calibration or press NEXT to view the calibration report. Calibrate one point per range, up to 5 points. Additional manual calibration notes: A maximum of one calibration point per range can be performed.
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Page 31: Ion Setup
Measure Unit Select ppm, molar, or mg/L ion concentration units. Alarm The 2700 offers a visual and audible alarm to alert you when the High or Low values that have been set from this menu are exceeded. “High Alarm” or “Low Alarm” will blink on the display if the values are exceeded while simultaneously, a loud, intermittent beeping sound is heard. -
Page 32: Cal Due
Cal Due When enabled, the “Cal Due” indicator blinks if the number of days since the last calibration has been exceeded. Set the number of days from 1 to 31. Refer to your Ion Selective Electrode instruction manual for details on conditioning, storage, maintenance, calibration standard preparation, Ionic... -
Page 33: Ion Calibration
Ion Calibration The ION 2700 can measure ion concentration such as ammonia or fluoride when using an ion selective electrode (ISE) for the specific ion of interest. Ion calibration is required with at least two standards from (8) available values;... - Page 34 Before and after a two point ion calibration using 0.001 and 0.01 standards 5) The mV/decade slope value will be displayed if the calibration is successful. “Slope Error” indicates that the calibration for the current point was not successful. This occurs when the slope (mV difference between two consecutive points) is <...
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Page 35: Dissolved Oxygen Setup
The probe of the reference meter should be immersed in the same sample at the same depth. The DO 2700 allows ±10% offset adjustment. Note that subsequent user calibrations will reset the offset adjustment back to the factory default value of 0.0 % offset. -
Page 36: Pressure Cal (% Saturation Mode Only)
Pressure Cal (% saturation mode only) The DO 2700 includes a built-in barometer that is factory calibrated. While frequent pressure adjustment is not required, adjustments can be made in the Adjusted Pressure field. Measured Pressure is the active pressure value measured by the DO 2700. -
Page 37: Salinity Value (Concentration Mode Only)
Enter the salinity value of your samples in parts per thousand (ppt) units. Select from 0 to 50.0 ppt. Alarm The 2700 offers a visual and audible alarm to alert you when the High or Low values that have been set from this menu are exceeded. -
Page 38: Dissolved Oxygen Calibration
The DO 2700 has two modes; % saturation and concentration (mg/L or ppm). In % saturation mode, the DO 2700 will accept either a one (100%) or two point (100% & 0%) calibration. For a one point calibration, 100% air calibration is recommended. -
Page 39: 0% Calibration
(Concentration) Calibration 1) Connect the DO electrode and power on DO 2700 for 5-15 minute warm up. 2) Press MODE if needed for concentration measurement mode. 3) Rinse the probe well with clean water then place into your solution with a known dissolved oxygen concentration value (i.e. - Page 40 Additional dissolved oxygen calibration notes: • Keep the membrane free from contact with solid objects. • Use with aqueous solutions only. • Do not submerse the probe past the immersion limit (see below). • Section 22—DO Electrode Maintenance for additional information. •...
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Page 41: Transferring And Printing Data
Transferring and Printing Data To send data directly to a printer or PC, connect the 30X427301 / 35420-01 cable to the RS-232 output port of the 2700. To connect to a USB port, an additional adapter cable is required; see Section 25—Replacements &... -
Page 42: Calibration Report
Calibration Report Calibration report provides detailed information on the most recent calibration. It includes date & time, calibration standard(s), offset, temperature, number of days calibration is over due slope information, etc. The calibration report is automatically displayed after a complete calibration. To view the calibration report at any other time, press from the desired measurement screen. -
Page 43: Dissolved Oxygen Theory
Dissolved Oxygen Theory Dissolved Oxygen (DO) refers to the volume of oxygen that is contained in water. There are two main sources of DO in water; atmosphere and photosynthesis. Waves and tumbling water mix air into the water where oxygen readily dissolves until saturation occurs. - Page 44 another way to analyze DO levels. % saturation is the measured DO level divided by the greatest amount of oxygen that the water could hold under various temperature and atmospheric pressure conditions multiplied by 100. What Is Being Measured? DO probes respond to the partial pressure of oxygen in liquid or gas being measured—they measure the “pressure”...
- Page 45 Applications Oxygen is essential for fish, invertebrate, plant, and aerobic bacteria respiration. DO levels below 3 ppm are stressful to most aquatic organisms. Levels below 2 or 1 ppm will not support fish. Fish growth and activity usually require 5 to 6 ppm of DO, an important consideration for Aqua-culture industry.
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Page 46: Calculating Temperature Coefficients
Calculating Temperature Coefficients To determine the temperature coefficient of your sample solution use this formula: Where: tc = Temperature coefficient 25 = 25 ºC = Conductivity at Temp 1 C = Conductivity at Temp 2 T1 = Temp 1 T2 = Temp 2 A controlled temperature water bath is ideal for this procedure. -
Page 47: Calculating Tds Conversion Factor
Calculating TDS Conversion Factor You can calibrate TDS using the value of the calibration standard solution at a standard temperature such as 25 ºC. To determine the conductivity-to-TDS conversion factor use the following formula: Factor = Actual TDS ÷ Actual Conductivity @ 25 ºC •... -
Page 48: Do Electrode Maintenance
DO Electrode Maintenance Changing the Membrane Cap The DO 2700 electrode utilizes a cap attached to a pre-installed membrane that is easily replaced. Replace the membrane cap if it becomes damaged or worn over time as needed. When calibration can not be completed, look to replace the electrolyte first as this may help. -
Page 49: Troubleshooting
Troubleshooting Parameter Cause Solution Won’t accept calibrations must begin with calibration point neutral standard (7.00 or 6.86) Cal points are too Custom pH buffer calibration values close must be at least 1.0 pH unit apart. Reading 7.00 Electrode tip may be cracked or and won’t change broken. - Page 50 sensor. Instrument will not Solution contains oxygen—use fresh read zero in sodium solution. sulfite solution Replace membrane and recondition sensor. Temperature Instrument reads Calibrate using water bath or known inaccurate accurate thermometer. Faulty temperature thermistor—repair or replace. Main digits are When “Stability”...
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Page 51: Specifications
Specifications We reserve the right to make changes, improvements and modifications to the specifications listed here. pH 2700, ION 2700, PC2700 only Range -2.000 to 20.000 pH Resolution 0.1 / 0.01 / 0.001 pH Accuracy ±0.002 pH + 1 LSD Cal. - Page 52 Conductivity CON 2700, PC 2700 only Range 0.050 µS to 500.0 mS Resolution 0.01 / 0.1 µS; 0.001 / 0.01 / 0.1mS Accuracy ±1% full scale Automatic (4 points); Maximum 1 per range Cal. Points Manual (5 points); Maximum 1 per range Cell Constant 0.010 to 10.000...
- Page 53 Dissolved Oxygen DO2700 Range 0 to 50.00 mg/L Resolution 0.01 mg/L Accuracy ±0.5% full scale Offset Adjustment ±10.0% Cal. Points (%) 2 points; 0%, 100% 1 point; ± 50% from the factory default value. Cal. Points (conc) Minimum reading allowed is 2.00. Salinity Correction 0 to 50.0 ppt (manual input) Barometric Pressure...
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Page 54: Replacements And Accessories
CON 2700 meter with 4-cell conductivity/ATC probe ECCON270043S 35412-00 (CONSEN9201D), integral electrode holder & 100/240 VAC adapter 01X543905 DO 2700 meter with self-stirring dissolved oxygen / BOD / ATC ECDO270042 35416-00 electrode (EC620SSP), RS232C cable & 100/240 VAC adapter 01X543907... - Page 55 111.8 mS, 480 mL bottle* ECCON1118BT — 100/240 VAC, SMPS, 9V, 6W power adapter, USA/UK/EUR Plug 60X426401 35615-07 RS232 cable for connecting 2700 meter to PC or printer, phono plug 30X427301 35420-01 to RS232 9-pin (F), 1.5 m cable Electrode arm and bracket 01X321801 —...
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Page 56: Warranty
If repair or adjustment is necessary and has not been the result of abuse or misuse within the designated period, please return – freight pre-paid – and correction will be made without charge. Eutech Instruments/Oakton Instruments/ Oakton Instruments will determine if the product problem is due to deviations or customer misuse. -
Page 57: Return Of Items
For your protection, items must be carefully packed to prevent damage in shipment and insured against possible damage or loss. Eutech Instruments will not be responsible for damage resulting from careless or insufficient packing. - Page 60 For more information on our products, please contact our channel partner or visit our websites listed below: Oakton Instruments Eutech Instruments Distributed by : Pte Ltd 625 E Bunker Court Vernon Hills, IL Blk 55, Ayer Rajah 60061 Crescent, #04-16/24...
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