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Summary of Contents for E+E Elektronik EE371
- Page 1 User Manual EE371 Compact Dew Point Sensor...
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Page 2: Table Of Contents
User Manual EE371 Content General Information ............................3 Explanation of Warning Notices and Symbols .................... 3 Safety Instructions ............................. 4 1.2.1 General Safety Instructions ..........................4 1.2.2 Intended Use ..............................4 1.2.3 Mounting, Start-up and Operation ........................4 Environmental Aspects..........................5 Scope of Supply .............................. -
Page 3: General Information
All rights reserved by E+E Elektronik Ges.m.b.H. No part of this document may be reproduced, published or publicly displayed in any form or by any means, nor may its contents be modified, translated, adapted, sold or disclosed to a third party without prior written permission of E+E Elektronik Ges.m.b.H. -
Page 4: Safety Instructions
Use the EE371 only as intended and observe all technical specifications. 1.2.2 Intended Use The EE371 is intended for the dew point temperature (Td) measurement of compressed air and other non- corrosive and non-flammable gases at pressures. The sensor can be installed in a pressurized system up to 20 bar (290 psi) and 100 bar (1 450 psi), respectively. -
Page 5: Environmental Aspects
Environmental Aspects PLEASE NOTE Products from E+E Elektronik Ges.m.b.H. are developed and manufactured in compliance with relevant environmental protection requirements. Please observe local regulations for the disposal of the device. For disposal, the individual components of the device must be separated according to local recycling regulations. -
Page 6: Product Description
3 Product Description General The compact EE371 Dew Point Sensor with a measuring range down to -60 °C Td and a robust stainless steel housing is ideal for OEM applications in compressed air systems, plastic dryers and industrial drying processes. -
Page 7: Electrical Connection
User Manual EE371 Electrical Connection WARNING Incorrect installation, wiring or power supply may cause overheating and therefore personal injuries or damage to property. For correct cabling of the device, always observe the presented wiring diagram for the product version used. -
Page 8: Measuring Range And Accuracy
User Manual EE371 Measuring Range and Accuracy The EE371 has an accuracy of ±2 °C specified within the measuring range -60...60 °C dew point. Measuring signal limitation: at medium temperature ≤20 °C (≤68 °F): Td limitation = -80 °C (-112 °F) at medium temperature >20 °C (>68 °F): Td limitation = medium temperature - 100 °C (-148 °F) e.g. at medium temperature 40 °C (104 °F) the measuring signal is limited at -60 °C (-76 °F) dew point. -
Page 9: Installing Directly Into The Process
User Manual EE371 Installing Directly into the Process For direct installation in the pipeline, a shut-off valve should be installed on both sides of the process. The sensor can therefore be easily removed for maintenance and calibration work. PLEASE NOTE It is not permitted to use a sealing ring with a NPT 1/2”... -
Page 10: Basic Sampling Cell
▪ Sampling cell with quick connector and bleed screw ▪ Sampling cell for atmospheric dew point Please refer to EE371 datasheet and to chapter 8 Accessories of this document. 4.3.1 Basic Sampling Cell Pressure range: 0...64 bar (0...928 psi) Order code HA050103 (ISO) HA050105 (NPT) G 1/2"... -
Page 11: Sampling Cell With Quick Connector
The sampling cell features a quick-connector suitable for standard compressed air connections DN7.2. It allows the cell to be installed and removed without process interruption.The air (gas) flow along the sensing head of EE371 can be adjusted using the bleed screw. Pressure range: 0...10 bar (0...145 psi) Order code: HA050102 G 1/2"... -
Page 12: Display Module (Option)
*) Above 0 °C medium temperature, Td will be displayed 6 Setup and Adjustment The EE371 probe is ready to use and does not require any configuration by the user. The EE371 factory setup corresponds to the type number ordered. Please refer to the data sheet at www.epluse.com/ee371. -
Page 13: Calibration And Adjustment
An adjustment can be followed by a calibration which documents the accuracy of the adjusted specimen. The dew point temperature adjustment of EE371 can be performed with the free EE-PCS Product Configuration Software, free download at www.epluse.com/configurator. -
Page 14: Self-Diagnosis And Error Messages
User Manual EE371 Self-Diagnosis and Error Messages Self-diagnosis via LED on the circuit board: Power LED (green): ▪ flashing EE371 is correctly powered / the microprocessor is active ▪ constantly lit Electronics defect => please contact the producer Diagnostic LED (D1, blue): ▪ flashing The sensing element is wet (condensation) ... -
Page 15: Technical Data
User Manual EE371 9 Technical Data Measurands Dew Point Temperature (Td) Measuring range -60...+60 °C Td (-76...+140 °F Td) Accuracy Accuracy ≤ ±2 °C Td (≤ ± 3.6 °F) Process temperature [°C] Response time t <5 min for step -5 °C Td (+23 °F Td) -50 °C Td (-58 °F Td) <20 s for step -50 °C Td (-58 °F Td) ... - Page 16 User Manual EE371 General 15 - 30 V DC Power supply class III USA & Canada: Class 2 supply necessary, max. voltage 30 V DC Current consumption, typ. Voltage output @ 24 V DC 40 mA / during auto-calibration: 100 mA Current output...
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Page 17: Conformity
User Manual EE371 10 Conformity 10.1 Declarations of Conformity E+E Elektronik Ges.m.b.H. hereby declares that the product complies with the respective regulations listed below: European directives and standards. UK statutory instruments and designated standards. Please refer to the product page at www.epluse.com/ee371... - Page 18 T +39 02 2707 86 36 info.it@epluse.com E+E Elektronik Korea Ltd. T +82 31 732 6050 info.kr@epluse.com E+E Elektronik Corporation T +1 847 490 0520 info.us@epluse.com BA_EE371 | Version v2.2 | 08-2024 © Copyright E+E Elektronik Ges.m.b.H. | All rights reserved.
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