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ES-2

ABOUT THE ES-2

About the ES-2

2.1

Specifications

Temperature

Accuracy:

◦

Resolution: 0.1

◦

Range:

−

◦

C to 60

◦

Bulk Electrical Conductivity

Accuracy:

0.01 dS/m or

10% (whichever is greater)

Resolution: 0.001 dS/m

Range: 0 to 120 dS/m (bulk)

General

Dimensions:

•

ES-2

: 10.9 x 2.4 cm (4.3 x 0.95 in) with 1/2” NPT

Measurement Time: 300 ms (milliseconds)

Power Requirements: 3.6 to 15 VDC, 0.03 mA quiescent, 0.5 mA

during 300 ms measurement

Output: Serial (TTL), 3.6 voltage levels or SDI-12

Operating Temperature:

−

40 to 6 0

◦

Note: Sensors can be used at higher temperatures. Please contact

METER for assistance.

Connector types: 3.5 mm (stereo) plug or stripped and tinned lead

wires (Pigtail)

Cable Length: 5 m standard; custom cable length

Data logger Compatibility (not exclusive):

•

METER

: All METER Loggers cabable of reading digital

sensors

Содержание ES-2

Страница 1: ...ES 2 Electrical Conductivity Temperature Sensor Operator s Manual METER Group Inc USA 13890 01 ...

Страница 2: ... 2365 NE Hopkins Court Pullman WA 99163 Phone 509 332 5600 Fax 509 332 5158 Website www metergroup com Email support environment metergroup com or sales environment metergroup com Trademarks c 2018 METER All Rights Reserved ii ...

Страница 3: ... 5 Connecting Sensors 7 5 1 Connecting to METER Logger 7 5 2 Connecting to a Non METER Logger 8 5 3 Pigtail End Wiring 8 6 Installation 11 6 1 Pipe Water Monitoring 11 6 2 Tank Water Monitoring 11 6 3 Cleaning Method 12 7 Communication 13 7 1 Serial String 13 7 2 SDI 12 Communication 13 7 3 Common SDI 12 Commands 14 7 4 SDI 12 Sensor Bus 14 7 5 SDI 12 Address 14 7 6 Power 15 7 7 Reading 15 8 Troub...

Страница 4: ...ith your product have any questions or feedback METER has Customer Service Representatives available to speak with you Monday through Friday between 7am and 5pm Pacific time Note If you purchased your sensor through a distributor please con tact them for assistance Email support environment metergroup com or sales environment metergroup com Phone 509 332 5600 Fax 509 332 5158 If contacting us by e...

Страница 5: ...here originally manufactured Material and equipment covered hereby which is not manufactured by Seller shall be covered only by the warranty of its manufacturer Seller shall not be liable to Buyer for loss damage or injuries to persons including death or to property or things of whatsoever kind including but not without limitation loss of anticipated profits occasioned by or arising out of the ins...

Страница 6: ...easurement Time 300 ms milliseconds Power Requirements 3 6 to 15 VDC 0 03 mA quiescent 0 5 mA during 300 ms measurement Output Serial TTL 3 6 voltage levels or SDI 12 Operating Temperature 40 to 6 0 C Note Sensors can be used at higher temperatures Please contact METER for assistance Connector types 3 5 mm stereo plug or stripped and tinned lead wires Pigtail Cable Length 5 m standard custom cable...

Страница 7: ...R10X CR23X or any CRBasic type logger CR850 1000 3000 etc Other Any data acquisition system capable of 3 6 to 15 V excitation and serial or SDI 12 communication Handheld Reader Compatibility ProCheck rev 1 34 Software Compatibility ECH2O Utility rev 1 64 and DataTrac 3 rev 3 4 4 ...

Страница 8: ...tion about dissolved solids EC is measured by applying an alternating electrical current to two electrodes measur ing voltage drop with a separate set of electrodes Then measuring the current flow through those electrodes and measuring the current with a separate set of electrodes The conductance is the ratio of current to voltage Conductivity is conductance multiplied by a cell constant based on ...

Страница 9: ... relates EC at 25 C to concentration for vari ous concentrations of KC1 Operators can verify ES 2 performance using these solutions The ES 2 internally corrects output value to 25 C Table 1 EC of KC1 solutions for testing ES 2 calibrations Electrical Conductivity g KC1 per kg of distilled µS cm water 100 0 0446 200 0 0930 500 0 2456 1 000 0 5120 2 000 1 0673 5 000 2 8186 10 000 5 8758 20 000 12 24...

Страница 10: ...uide to get extensive directions on integrating the ES 2 sensor into third party loggers The ES 2 Sensor comes standard with a five meter cable Sensors may be purchased with custom cable lengths for an additional fee on a per meter basis METER has tested its digital sensors suc cessfully with cable lengths up to 1 000 m 3 200 ft Using a longer cable eliminates the need for splicing the cable a pos...

Страница 11: ...ility DataTrac 3 or a terminal program on your computer 5 2 Connecting to a Non METER Logger The ES 2 Sensor may be purchased for use with non METER data loggers These sensors typically come configured with stripped and tinned pigtail lead wires for use with screw terminals Refer to your logger manual for details on wiring Our Integrator s Guide gives detailed instructions on connecting the ES 2 s...

Страница 12: ...r ES 2 Sensor is equipped with the standard 3 5 mm plug and you wish to connect it to a non METER data logger you have two options The first option is to clip off the plug on the sensor ca ble strip and tin the wires and wire it directly into the data logger The advantage of this method is that you create a direct connection with no chance of the sensor becoming un plugged However it then cannot b...

Страница 13: ...wire is often referred to as a pigtail adapter Both the stripped and tinned adapter cable wires have the same termina tion as seen above the brown wire is excitation orange is output and the bare and black wires are ground Figure 2 and 3 10 ...

Страница 14: ... the side of the protective screw cap Then screw the end of the ES 2 sensor into a 3 4 NPT Tee pipe fitting If necessary use a pipe converter to convert from the 3 4 NPT thread size to a size more appropriate for your system Orient the sensor with the cable end facing down or to the side This will allow air to escape from the sensing area 6 2 Tank Water Monitoring The ES 2 can be used to monitor w...

Страница 15: ...rodes can still affect the measurement The electrodes are stainless steel 6 3 Cleaning Method 1 Insert swab into slot on side of sensor housing Rug the screws vigorously with swab 2 Rinse the sensor and screws thoroughly with tap or DI water Note Do not touch the screws without gloves or contact them with any source of oil or other non conducting residue 12 ...

Страница 16: ...wer must be removed and reapplied for a new set of clues to be transmitted The ASCII stream contains two numbers separated by spaces The first number is EC in µS cm with a resolution of 1 µS cm and the second num ber is temperature in Celsius with a resolution of 0 1 C a carriage return follows the three numbers then the character t indicating that this is a ES 2 sensor then a checksum character a...

Страница 17: ...logger This simplifies wiring because no multiplexer is necessary However a problem with one sensor can bring down the entire array though a short circuit or incorrect ad dress settings If you do use a SDI 12 sensor bus we recommend that you make an independent junction box with wire harnesses where all sensor wires attach to lugs so sensors can be disconnected individu ally if a problem arises A ...

Страница 18: ...cation is supported in the Terminal Emula tor mode under the Tools menu on the Connect screen Detailed information on setting the address using CSI data loggers can be found on our website at http www metergroup com 7 6 Power The ES 2 can be powered using any voltage from 3 6 to 15 VDC but 12 V is optimal Although SDI 12 protocol allows the sensors to be continuously powered it is often best to co...

Страница 19: ...e configuration of your data logger in ECH2O Utility or DataTrac to make sure you have selected the ES 2 sensor on the correct port 4 Verify that you are using the most up to date software and firmware You can find the most up to date version of the software and firmware at www metergroup com contact Sensors 1 Verify that your sensors are installed according to the Instal lation section of this ma...

Страница 20: ...5 NE Hopkins Court Pullman WA 99163 USA Type of Equipment Water Depth Sensor Model Number ES 2 Year of First Manufacture 2012 This is to certify that the ES 2 manufactured by METER Group a corporation based in Pullman Washington USA meets or exceed the standards for CE compliance as per the Council Directives noted above All instruments are built at the factory Pertinent testing documentation is f...

Страница 21: ...eclaration of conformity 17 Electrical conductivity 3 Email 1 Installation 11 Monitoring a Tank 11 Water In a Pipe 11 Power Requirements 3 Protective cap 11 SDI 12 Communication 13 Seller s Liability 2 Sensor Cleaning 11 Serial String 13 Specifications 3 Temperature 5 Warranty 2 18 ...

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