4 | Water meter Device marking WECOUNT ETK-EAM 0102 8 WEH00 6600 0002 E. Wehrle GmbH Obertalstraße 8 D-78120 Furtwangen 1,6 MPa 2022 Q 2,5 DE-17-MI001-PTB004 R160H/R160V LGS LoRa 2418C0000002 ETK-EAM CE marking Positi on of the local NFC interface Serial number Max�...
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Water meter | 5 DevEUI / MAC address (opti onal for LoRa radio version) Placeholder for customized logo Meter type marking Radio standard (wMbus, LoRa) Max� permissible water temperature Meter size Q3 Placeholder for 2D data matrix code (e�g� serial number) Postal address...
Other cases of application that deviate from these specifications must be approved of in writing by E� Wehrle GmbH� Water meters are exclusively intended for the above-mentio- ned function. The conversion and any use of the water meters different or beyond this is considered improper use and therefore not permitted.
For your safety | 9 Safety notes and hazard warnings Improper assembly, pressure tests, modifications or incorrect operation can cause personal injury and damage to property. If the seal is damaged or removed, the water meter is no longer licenced for legal metering� Check water meter for transport damage before installation.
WECOUNT | 19 Delivery conditi on The SLEEP mode is the regular delivery condition of the meter. In this condition the meter already counts the consumption, with the radio transmission not yet active to save energy during transport and until installation. Note: The end customer/installer can be sure of the meter being a new device, when the word SLEEP is displayed�...
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20 | WECOUNT The minimum volume of 5 l (standard) must be removed (e�g� turn on the tap completely for a short time). The minimum volume can be adjusted at the factory or via NFC interface. When switching to normal operation from SLEEP mode, the commissioning date is set, the volume is reset and the error log is deleted.
WECOUNT | 21 Radio settings As soon as the radio is activated, it sends an encrypted radio telegram according to OMS (Open Metering System)� During active radio times, the radio symbol lights up permanently. Factory setting = Long telegram „Walk-by“ in C1 mode: Current value + due date value + 15 month-end values in Mode 5 AES encryption In factory setting, the radio signal is transmitted in 1 minute...
22 | WECOUNT Device display loop Device Display Example display duration Consumption 236,214 m 10 s Actual flow rate 15 l/h Consumption at due date 175 m 3 s optional Check number C85 Due date 01�01 Min�1 s (can be Firmwareversion extended) 1 s minimum...
WECOUNT | 23 Event and error messages 10 seconds 2 seconds If the meter meets with an event or error, this is indicated by a message on the display� The event message display is integrated into the display loop for 2 second� Battery lifetime To indicate the end of the device's lifetime, the battery warning symbol is activated in the display (permanent notification) and...
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24 | WECOUNT Overview of event and error messages Type Description Measures Err01 System error Memory error, Replace device detection defective Err02 BatLow Battery voltage too low Replace device InF03 Manipulation Fraud attempt Counter no (magnetic field) longer valid for billing InF04 Radio error The meter no longer trans-...
Windows notebook, tablet or PC with USB interface • NFC read/write head with USB connector (available as an accessory) Click here for the WEPROG configuration app www.wehrle.de/metering/fernauslesung/software-apps/� The following data can be viewed and/or changed via the NFC interface: • Radio settings •...
26 | WECOUNT NFC (Near Field Communicati on) Device interface Note: Note: To ensure correct communication, place your NFC To ensure correct communication, place your NFC reader directly on the NFC sign of the water meter. reader directly on the NFC sign of the water meter. The NFC interface in the water meter is located above the display on the upper right side of the top of the housing�...
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WECOUNT | 27 Access rights There are 3 access rights: • Consumer (no password, read only) • Installer (read and change settings, password required) • Verifier (read and change metrological parameters). The default installer password is “0000”. It can be changed or disabled�...
28 | WECOUNT Data memory Volume readings/15 month end values The current volume is stored in the unit every 15 minutes� The volume on the due date is also stored and displayed in the unit� At the beginning of a new month, the current volume value of the previous month is stored�...
WECOUNT | 29 Event logfile For various analysis, it is very helpful to be able to trace the chronological course of events� To make this possible, a rolling event log with the last 10 most recent entries is integrated in the counter: If many temporary events occur in succession, older important messages may drop out�...
30 | WECOUNT High resolution mode For the purpose of metrological verification of the meter by an approved laboratory, the consumption display on the unit can be changed to a high-resolution display for a maximum of 24 hours� Instead of the usual m3 , millilitres (ml) are displayed� This mode is indicated on the unit display by the stylized word „HIGH“...
Water meter | 31 Radio settings configuration For more information on installing the software for radio settings and programming, see: www�wehrle�de/metering/ fernauslesung/software-apps/. Adjustable radio telegram types wMbus models* Short telegram Current value, due date value (OMS) (factory setting) Short telegram...
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32 | Water meter Further radio parameters Item Setting Factory Comment option setting Days of trans- Mon, Tue, Mon - Fri Each weekday can be mission Wed, Thu, Fri, selected individually� Sat, This also allows for the radio to be suppressed during the weekend�...
Water meter | 33 WECOUNT-S technical data (Electronic register) IP protection class IP68, (4 weeks, max� 1 meter under water) EN13757-4, wMBus according to OMS (Open Metering System), T1, C1 mode, Radio standard AES-128 Encryption (4 Generation, Mode 5+ Mode 7, Security Profile A + B) Radio frequency 868�95 MHZ Radio range/ transmission...
Never dispose of the devices in household waste� If required, test certificates for the batteries in use can be obtained from E� Wehrle GmbH� Protect lithium batteries from moisture, do not heat to 100°C or higher and do not throw them into fire.
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Déclaration CE de conformité Dichiarazione CE di conformità E. Wehrle GmbH, Obertalstraße 8, D-78120 Furtwangen Erklärt, dass die Einstrahl-Trockenläufer WECOUNT | | Declares that the Single-Jet Dry Meters WECOUNT | | Déclare que les Compteurs Type Sec à Jet Unique WECOUNT | |...
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