E+e elektronik Ee1900 User manual

BA_EE1900 // v1.1 // Modification rights reserved

User Manual

EE1900

HUMIDITY MODULE FOR

CLIMATE CHAMBERS

E+E Elektronik Ges.m.b.H. does not accept warranty and liability claims neither upon this publication nor in case

of improper treatment of the described products.

The document may contain technical inaccuracies and typographical errors. The content will be revised on a

regular basis. These changes will be implemented in later versions. The described products can be improved

and changed at any time without prior notice.

EMC note USA (FCC):

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15

of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when

the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio

frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful

interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful

interference in which case the user will be required to correct the interference at his own expense.

EMC note Canada (ICES-003):

CAN ICES-3 (A) / NMB-3 (A)

CONTENT

1 General .................................................................................................................................................4

1.1 Explanation of Symbols.................................................................................................................................4

1.2 Safety Instructions.........................................................................................................................................4

1.2.1 General Safety Instructions..................................................................................................................................4

1.2.2 Mounting, Start-up and Operation........................................................................................................................4

1.2.3 Intended Use........................................................................................................................................................5

1.3 Environmental Aspects..................................................................................................................................5

1.4 ESD Protection .............................................................................................................................................5

1.5 Scope of Supply ............................................................................................................................................5

2 Product Description ............................................................................................................................5

2.1 General..........................................................................................................................................................5

2.1.1 Sensing Probes....................................................................................................................................................6

2.1.2 Filter Caps............................................................................................................................................................6

2.2 Dimensions....................................................................................................................................................6

2.3 Installation .....................................................................................................................................................6

2.3.1 Electronics Board.................................................................................................................................................6

2.3.2 Sensing Probe .....................................................................................................................................................6

3 Electrical Connection..........................................................................................................................7

4 Setup and Configuration ....................................................................................................................8

4.1 Selection of the Output Signal.......................................................................................................................8

4.2 Selection of the Measurand - Output Scale ..................................................................................................8

4.3 Error Indication on the Analogue Output (NAMUR).......................................................................................9

5 Automatic Sensor ReCovery (ARC) ..................................................................................................9

6 Calibration / Adjustment................................................................................................................... 11

7 Self Diagnosis and Error Messages ................................................................................................ 11

8 Replacement Parts / Accessories....................................................................................................12

9 Technical Data ...................................................................................................................................12

4User Manual EE1900 Humidity Module for Climate Chambers

1 General

This user manual serves for ensuring proper handling and optimal functioning of the device. The user

manual shall be read before commissioning the equipment and it shall be provided to all staff involved

in transport, installation, operation, maintenance and repair.

The user manual may not be used for the purposes of competition without the written consent of E+E

Elektronik® and may not be forwarded to third parties. Copies may be made for internal purposes. All

information, technical data and diagrams included in these instructions are based on the information

available at the time of writing.

1.1 Explanation of Symbols

This symbol indicates safety information.

It is essential that all safety information is strictly observed. Failure to comply with this information can

lead to personal injuries or damage to property. E+E Elektronik® assumes no liability if this happens.

This symbol indicates instructions.

The instructions shall be observed in order to reach optimal performance of the device.

1.2 Safety Instructions

1.2.1 General Safety Instructions

• Avoid any unnecessary mechanical stress and inappropriate use.

• When replacing the filter cap make sure not to touch the sensing elements.

• For sensor cleaning and filter cap replacement please see “Cleaning instructions” at www.epluse.com.

• Installation, electrical connection, maintenance and commissioning shall be performed by

qualified personnel only.

1.2.2 Mounting, Start-up and Operation

The device has been produced under state of the art manufacturing conditions, has been thoroughly

tested and has left the factory fulfilling all safety criteria.

The manufacturer has taken all precautions to ensure safe operation of the device. The user must

ensure that the device is set up and installed in a manner that does not have a negative effect on its

safe use.

The user is responsible for observing all applicable safety guidelines, local and international, with

respect to safe installation and operation on the device. This user manual contains information and

warnings that must be observed by the user in order to ensure safe operation.

• Mounting, start-up, operation and maintenance of the device may be performed by qualified staff only.

Such staff must be authorized by the plant operator to carry out the mentioned activities.

• The qualified staff must have read and understood this user manual and must follow the instructions

contained within.

• All process and electrical connections shall be thoroughly checked by authorized staff before putting

the system into operation.

• Do not install or start-up a device supposed to be faulty. Make sure that such devices are not

accidentally used by marking them clearly as faulty.

• A faulty device may only be investigated and possibly repaired by qualified, trained and authorized

staff. If the fault cannot be fixed, the device shall be removed from the system.

• Service operations other than described in this user manual may only be performed by the

manufacturer.

User Manual EE1900 Humidity Module for Climate Chambers

1.2.3 Intended Use

The EE1900 humidity module is optimised for the measurement of relative humidity (RH) and dew point

temperature (Td) in climate chambers. The use of the EE1900 other than described in this manual is

not allowed.

The manufacturer cannot be held responsible for damages as a result of incorrect handling, installation

and maintenance of the device.

Unauthorized modifications of the product lead to loss of all warranty claims. The device may only be

powered with separated extra-low voltage (SELV).

Disclaimer

The manufacturer or his authorized agent can only be held liable in case of willful or gross negligence.

In any case, the scope of liability is limited to the corresponding amount of the order issued to the

manufacturer. The manufacturer assumes no liability for damages incurred due to failure to comply with

the applicable regulations, operating instructions or the operating conditions. Consequential damages

are excluded from the liability.

1.3 Environmental Aspects

Products from E+E Elektronik® are developed and manufactured observing of all relevant requirements

with respect to environment protection. Please observe local regulations for the device disposal.

For disposal, the individual components of the device must be separated according to local recycling

regulations. The electronics shall be disposed of correctly as electronics waste.

1.4 ESD Protection

The sensing elements and the electronics board are ESD (electrostatic discharge) sensitive

components of the device and must be handled as such. The failure to do so may damage the device

by electrostatic discharges when touching exposed sensitive components.

1.5 Scope of Supply

• EE1900 according to ordering guide

• Inspection certificate according to DIN EN 10204-3.1

2 Product Description

2.1 General

The sensing probe and the electronics of the EE1900 undergo the factory adjustment together and may

not be separated from each other. Do not cut, shorten or extend the probe cable.

The analogue output of EE1900 can be set to voltage or current with a slide switche on the electronics

board (see chapter 4.1).

The RH output is preferred for applications with rather uniform temperature distribution, while the Td

output is advisable in case of large T gradients in the environment.

6User Manual EE1900 Humidity Module for Climate Chambers

2.1.1 Sensing Probes

The EE1900 features a plastic (PPS) probe according to the order which can be employed over the

entire T range according to the technical data.

2.1.2 Filter Caps

The right choice of filter cap is very important for optimal performance under certain environment

conditions. Please see details in the “Accessories” data sheet at www.epluse.com/EE1900 or contact

the manufacturer’s representative for advice.

2.2 Dimensions

All values are given in mm / inch.

Ø 12 / 0.47

Probe length

(see ordering guide)

Cable length (see ordering guide)

Filter length

(see table below)

Ø 3.5 / 0.14

Fig. 1 Dimensions of EE1900

2.3 Installation

ESD handling regulations must be strictly observed.

2.3.1 Electronics Board

Hold the electronics boards only by the edges. Do not touch the components or their contacting.

2.3.2 Sensing Probe

Avoid touching the sensing head. The probe must be operated with the filter cap on at all times.

A clogged filter cap causes longer response time. For replacing the filter cap and cleaning the sensing

head please see the “Cleaning Instructions” at www.epluse.com/ee1900.

Do not touch the sensing elements!

Order code Filter length [mm/inch]

F9 39 / 1.54

F4 33 / 1.30

no code 33 / 1.30

F12 33 / 1.30

User Manual EE1900 Humidity Module for Climate Chambers

For accurate measurement results it is of paramount importance to avoid temperature gradients along

the sensing probe. Whenever possible, install the entire probe in the environment to monitor. If the

probe is installed into a partition wall, the probe‘s backend shall be isolated thermally.

3 Electrical Connection

Supply

Fig. 2

Power supply

15 - 35 V DC

17 - 29 V AC

Connection supply and outputs

Use only power supply units according to EN 61140, protection class III (EU) and protection class II

(North America).

For performance according to the specifications, the electronics board must be properly grounded,

see chapter 4 (No. 9 “Grounding“ - Fig. 3).

8User Manual EE1900 Humidity Module for Climate Chambers

4 Setup and Configuration

1. Probe connection

2. Terminals for supply and output signal

3. Terminals for ARC external triggering

(Heat IN) and status information (Status)

4. Configuration interface

5. Slide switch for output signal selection

(voltage / current)

6. Manual trigger for ARC

7. Status LED (green)

8. Error indication LED (red)

9. Grounding

Fig. 3 Electronics board

4.1 Selection of the Output Signal

Use the slide switch (No. 5 - Fig. 3) to select between current and voltage output.

• When switching from original voltage output to current output, the output becomes

0 - 20 mA = 0…100% RH and error indication according NAMUR (see chapter 4.3) is disabled.

• When switching from original current output to voltage output, the output becomes

0 - 10 V = 0…100% RH and error indication according NAMUR (see chapter 4.3) is disabled.

After switching the output between voltage and current with the slide switch, the scaling of the output

can be set using the E+E Product Configuration Software (see chapter 4.2).

Important:

• After changing the factory setup (output signal and/or output scale) the packaging label loses its

validity; it does not match any longer the device setup.

• The factory setup restore function of EE-PCS reestablishes the original adjustment/calibration of the

device, but does not affect the user setup for output signal and output scale.

4.2 Selection of the Measurand - Output Scale

The selection between R, Td and Tf (frost point temperature) on the analog output, as well as the

scaling of the output can be performed via the configuration interface with the EE-PCS Product Configu-

ration Software, free download from www.epluse.com/configurator. Use the optional configuration cable

HA011017 to connect the EE1900 to the USB port of the PC.

User Manual EE1900 Humidity Module for Climate Chambers

4.3 Error Indication on the Analogue Output (NAMUR)

The EE1900 features an error indication on the analogue output according to NAMUR

recommendations. A device failure is indicated by 11 V in case of voltage output and by 21 mA

in case of current output.

Important:

Upon delivery the NAMUR error indication is disabled. It can be enabled with the free EE-PCS Product

Configuration Software.

5 Automatic Sensor ReCovery (ARC)

Certain chemical pollution may lead to drift of the sensing element. Using the sensor recovery function,

the contamination is removed by a controlled heating of the sensor. After the heating process, the sensor

quickly returns to normal measuring conditions (refer to Fig. 5).

Start:

The ARC can be started either manually by pressing the “Sensor Recovery” button (No. 6 - Fig. 3) for

min. 3 seconds or automatically by applying a voltage of 5 - 30 V DC to the potential free input (No. 3

“Heat IN“ - Fig. 3) for at least 3 seconds.

Abortion:

To cancel the ARC process, the same procedure is valid as to starting it: pressing the “Sensor

Recovery” button (No. 6 - Fig. 3) or a voltage of 5 - 30 V DC at the “Heat IN“ interface for min. 3

seconds.

Duration:

A sensor recovery cycle takes around 23 minutes, of which 20 minutes heat-up time, followed by 3

minutes cooling time. The cooling time is necessary also in case the ARC process is cancelled.

Current consumption in ARC mode

Supply Consumption

15 V DC ~120 mA (max.)

24 V DC ~80 mA (max.)

35 V DC ~55 mA (max.)

17 V AC ~210 mArms (max.)

24 V AC ~160 mArms (max.)

29 V AC ~140 mArms (max.)

GND

Power supply

5 - 30 V DC

GND

Pulldown: ≤100 k

Power supply

5 - 30 V DC

out ARCStatus

Galvanically separated input/output

Fig. 4 ARC trigger and status connection

Important:

ARC can only be started if RH < 85%.

10 User Manual EE1900 Humidity Module for Climate Chambers

Fig. 5

T [°C (°F)]

160 (320)

cooling time min. 3 min

freezing period of output signals

T [min]

ambient temperature

start automatic

recovery ARC

heating time 20 min

U [ V DC ]

5 - 30

T [min]

U [ V DC ]

5 - 30

T [min]

min. 3 s

ARC T Profile

ARC Status

Heat IN

ARC Chart

During the sensor recovery process, the output is frozen at the last measured value before triggering

the sensor recovery.

The ARC mode is indicated by the closed contact at the optocoupler output (No. 3 „Status“ - Fig. 3)

and by the red LED flashing very quickly. The optocoupler output thus indicates wether the data on

the analogue output is up-to-date (during normal measurement) or frozen (during the sensor recovery

process).

An efficient sensor recovery requires a certain sensor temperature. In case of strong air flow at the

sensing head (for instance more than 6 m/s with the stainless steel grid filter), the required sensor

temperature might not be reached. In such a case, the heating process is automatically interrupted

after 2 minutes.

User Manual EE1900 Humidity Module for Climate Chambers

6 Calibration / Adjustment

Definition of terms:

Calibration

The calibration documents the accuracy of a measurement device. The device under test (specimen) is

compared with the reference and the deviations are documented in a calibration certificate. During the

calibration, the specimen is not changed or improved in any way.

Adjustment

The adjustment improves the measurement accuracy of a device. The specimen is compared with the

reference and brought in line with it. An adjustment can be followed by a calibration which documents

the accuracy of the adjusted specimen.

The adjustment of EE1900 can be performed with the EE-PCS Product Configuration Software, free

download from www.epluse.com/configurator.

Fig. 6 EE1900 Adjustment and Configuration



HA011017 EE1900

The adjustment shall be performed for the RH output against an appropriate RH reference.

See “Calibration Kit - User Guide“ at www.epluse.com/ee1900.

7 Self Diagnosis and Error Messages

Feedback module Meaning Action

Green and red LED

on for about 1 sec.

Acknowledgment for ARC

start / stop

The ARC mode is either started or stopped. If the sensor

is in the ARC mode the red LED flashes very fast.

Green LED flashing /

Red LED off Normal measuring mode -

Red LED on Electronics failure Contact the E+E representative.

Red LED flashes

(1Hz)

Probe is not properly

connected or damaged Contact the E+E representative.

Red LED flashes very

fast (5 Hz) ARC mode is active Wait until the ARC cycle is finished,

or interrupt the ARC cycle

Optocoupler closed humidity output is frozen /

ARC active

Wait until the ARC cycle ist finished.

Check the red LED.

Optocoupler open Normal measuring mode /

ARC inactive -

Namur (Disabled by default)

21 mA / 11 V An error has occurred Contact the E+E representative.

12 User Manual EE1900 Humidity Module for Climate Chambers

8 Replacement Parts / Accessories

See data sheet “Accessories” at www.epluse.com/EE1900

Description Order code

- Filter caps HA0101xx

- Stainless steel grid HA010109

- Stainless steel sintered HA010117

- PTFE HA010105

- H2O2HA010115

- Mounting flange stainless steel HA010201

- Mounting flange plastic HA010202

- Wall mounting clip stainless steel HA010225

- Wall mounting clip plastic -35...105 °C (-31...221 °F) HA010211

- Configuration cable with USB adapter HA011017

-Humidity calibration kit see data sheet “Humidity calibration kit“

- Protection cap for Ø12 mm (0.47") probe HA010783

9 Technical Data

Sensing element HMC01

Measurands

Relative humidity (RH)

Working range 0…100% RH

Accuracy1) (incl. hysteresis, non-linearity and repeatability)

-20...40 °C (-4...104 °F) ± 2% RH (≤90% RH) / ± 2.5% RH (>90% RH)

-40...180 °C (-40...356 °F) ± 2.5% RH (≤90% RH) / ± 3.5% RH (>90% RH)

Dew point (Td)

Working range -20...80 °C (-4...176 °F)

Accuracy ± 2 °C (± 3.6 °F) for | Tambient - Td | < 20 °C (36 °F)

General

Response time RH t10/90 at 20°C (68 °F), typ. 15 s with stainless steel grid filter2)

Output signal 0 - 1 / 5 / 10 V -1 mA < IL< 1 mA

0 / 4 - 20 mA (3 wire) RL < 500 Ω

ARC status signal Optocoupler, open/closed

Supply voltage 15 - 35 V DC and 17 - 29 V AC

Current consumption

for DC supply < 32 mA

for AC supply < 60 mArms

Working range electronics -40…60 °C (-40...140 °F) / 0...90% RH non-condensing

Working range probe -70...180 °C (-94...356 °F) / 0...100 % RH

Storage conditions -40…60 °C (-40...140 °F) / 0...90% RH non-condensing

Electrical connection Screw terminals up to max. 1,5 mm² (AWG 16)

Electromagnetic compatibility Component for OEM equipment tested according to

EN 61000-4-3 and EN 61000-4-6

1) The accuracy statement includes the uncertainty of the factory calibration with an enhancement factor k=2 (2-times standard deviation). The accuracy was