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BA_EE355_e // V1.3 // technical data are subject to change

Manual

EE355

Dew Point Transmitter

down to -60 °C Td

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Summary of Contents for EE355

Page 1: ...BA_EE355_e V1 3 technical data are subject to change Manual EE355 Dew Point Transmitter down to 60 C Td ...

Page 2: ...ial installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the installation manual may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can b...

Page 3: ...cy 7 3 Installation 7 3 1 Installation location 7 3 2 Installing directly into the process 8 3 3 Installing the probe in a sampling system 8 3 3 1 Basic sampling cell 9 3 3 2 Sampling cell with quick connector 9 4 Electrical Connection 10 4 1 Connecting cable Accessory HA0108xx 10 5 Setup and Adjustment 10 5 1 Dew point adjustment by the user 10 6 Modbus RTU 11 6 1 Data Transmission 11 6 2 Modbus ...

Page 4: ...d air and other non corrosive and non flameable gasses only The EE355 can be installed in a pressurized system up to 80 bar 1160 psi Mounting electrical installation putting into operation and maintenance should be done by quali fied personnel only The use of the EE355 in any other way than described in this manual bears a safety risk for peo ple and the entire measurement installation and is ther...

Page 5: ...erate on the installation These professionals must have read and understood this and they have to follow the instructions as detailed in this manual Check all connections of the entire installation thoroughly before putting the system into opera tion Do not put a damaged product into operation and make sure this does not happen inadvertently A malfunction of the equipment should only be handled an...

Page 6: ...eal for OEM applications in compressed air systems plastic dryers and industrial drying processes The core of the EE355 is the monolithic measurement cell type HMC200 manufactured in thin film technology Due to the excellent long term stability and durability against condensation the EE355 has low maintenance needs An integrated auto calibration procedure permits a measurement accuracy of 2 C Td T...

Page 7: ...um temperature 100 C e g at medium temperature 30 C the measuring signal is limited at 70 C dew point 60 40 20 0 20 40 60 80 0 10 20 30 40 50 60 10 20 30 40 Accuracy 2 C Td Accuracy not specified Measurement range limitation dew point Medium temperature C Dew point temperature Td C Pic 1 Dew point measurement range and specified accuracy The maximum scaling of the analog output is 100 80 C dew poi...

Page 8: ... is not permitted to use a sealing ring with a NPT 1 2 thread Appropriate PTFE sealing tape or sealant should be used instead Insert the probe into the process and screw it as tight as possible by hand If there is a sealing ring check the correct centering and tighten the screw connection with a torque of 30 Nm OK NOT OK ü û Pic 3 Installing directly into the pipe 3 3 Installing the probe in a sam...

Page 9: ...nt 3 3 1 Basic sampling cell The basic sampling cell offers the possibility to integrate the dew point transmitter into an existing or self constructed sampling system Pressure range 0 64 bar 0 928 psi Order code ISO HA050103 NPT HA050105 1 2 3 ISO NPT 1 G 1 2 1 2 2 G 1 4 1 4 3 G 1 4 1 4 Pic 4 Basic sampling cell 3 3 2 Sampling cell with quick connector The sampling cell is specially developed for...

Page 10: ...d requires no configuration by the customer The factory setting of the analog output corresponds to the ordered type designation With an optional Modbus to USB converter order code HA011013 and the free EE PCS config uration software the user can adjust the transmitter set the Modbus parameters and change the scaling of the analog output 5 1 Dew point adjustment by the user Dew point adjustment by...

Page 11: ...Setting Slave Adress 1 247 243 Baud Rate 9600 19200 38400 9600 Data Bits 8 8 Parity None Even Odd Even Stop Bits 1 2 1 6 2 Modbus Map The measured values are stored as a 32Bit float value Depending on the measurement unit selected the measurements are saved in SI or US GB units Register Protocol Address Measuring Value SI Unit US GB Unit Read Registers Function Code 0x03 0x04 32Bit float value 300...

Page 12: ... vibrations in a small bath The cleaning agent in the bath should be 50 isopropyl alcohol 50 distilled water Remove the filter cap from the tip of the sensing probe This has to be done very carefully in order to avoid damaging the sensing element Hold onto the sensing probe and slowly stir the tip of the sensing probe in the ultrasound bath for about 1 minute The sensing element the leads and the ...

Page 13: ...ble 4 20 mA 3 wire technology RL 500 Ohm Maximum adjustable scaling 100 80 C Td 148 176 F Td Resolution of analog output 2 µA Digital interface MODBUS RTU max 32 units in one bus Temperature dependence 5ppm of the measuring span C Deviating from 20 C General Supply voltage Class III 18 28 V DC Current consumption at 24V DC 20 mA load current with autocalibration 100 mA load current Pressure range ...

Page 14: ...14 Manual EE355 Dew point transmitter ...

Page 15: ...15 Manual EE355 Dew point transmitter ...

Page 16: ...50 6460 Office Stuttgart Tel 49 151 5383 7500 E E Elektronik Italy info epluse it Tel 39 02 2707 86 36 E E Elektronik France info epluse fr Tel 33 4 74 72 35 82 E E Elektronik USA office epluse com Office Boston Tel 1 508 530 3068 Office Chicago Tel 1 847 490 7813 E E Elektronik Korea Tel 82 31 732 6050 info epluse co kr E E Elektronik China info epluse cn Office Beijing Tel 86 10 8499 2361 Office...

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