
IWM-TX5_QUG Quick User Guide v1.0
IWM-TX5
868 MHz Wireless MBUS module for B METERS water meters
The IWM-TX5 module is a device that allows to transmit the reading data detected by the GSD8-I
water meters manufactured by B METERS.
The device could be congured using an Android device with an NFC interface and the NFC IWM Config
applicaon.
To download the app, please connect to the Google Play, type NFC IWM Cong and press the buon
“Install”. Please refer to the conguraon soare manual for a detailed descripon of the
conguraon features and opons available
Package Content
IWM-TX5 module
An-tampering seal
An-tampering scker
Installaon guide
Technical data
Working temperature: rom +1°C to +55 °C
Power supply voltage: lithium battery 3.0 v*
Maximum bary dura 10 years**
Radio interface: WMBUS EN13757-4 @868MHz [<25mW], mode T1
guration: by app NFC IWM Cg
Protecn level: IP65 (on request IP68 ***)
Transmission range: up to 300 meters****
Dimensions (l x p x h): 70 x 90 x 30 mm
Weight: 124 g
* Baeries are not replaceable, DO NOT ATTEMPT TO REPLEACE. Any aempt will void the warranty,
moreover, will irreversibly damage the device.
** The baery life strongly depends on the working me window, set during the conguraon process,
and on the environmental condions.
***IP68: maximum 24 hours of connuous submersion at 1 m depth
****Under opmal propagaon condions, the radio range depends on physical condions (building
construcons, climac condions, …) where propagaon of the radio signal can therefore vary.
Installaon
The installaon of the IWM-TX5 module is allowed on the GSD8-I meters only.
It is recommended to install the IWM-TX5 module away from metal objects or any potenal radio
shielding, in a place protected from tampering.
The device could be congured by using the NFC IWM cong App. The installer has the task of checking
the propagaon condions of the radio signal during installaon.
Commissioning
Make sure that you have respected the installaon condions described above.
Connect the module on the meter as shown in the picture. It is necessary to pair the inducve index
of the meter beneath the inducve sensor placed on the plate of the module. With one hand, keep
the meter steady, with the other hand press then carefully the module and turn it in a clockwise
direcon to lock it to the meter.
To inialize the module is necessary to let the inducve index of the dial rotate for 5 revoluons.
Conguraon by using Android App + NFC Device: to inialize the conguraon process, place the
NFC antenna of the android device near the module as shown in the picture. For the complete
conguraon instrucons, please refer to the app manual.
Check on the reading soare the correct data collecon and check that no alarm is acve. To avoid
possible frauds on the module, it is recommended to ghten the orange seal supplied and apply the
adhesive seal.
IWM-TX5 Installaon:
Seal applicaon:
IWM-TX5 conguraon/acvaon:
NFC conuraon (oponal) Radio acvaon at the passage of 5 liters
During the installaon process, handle the device with care, don’t crush, don’t bent, don’t
exposure to electrostac discharges which could damage permanently the device, do not install
close to heat sources (radiators, condioners, convectors etc..).
The IWM-TX5 module doesn’t contain hazardous materials in accordance with European
direcves 91/157/EEC, 2006/66/EEC, 2013/56/EU and 2011/65/EU (RoHS). The device requires
specic disposal on the end of its lifeme. Recycling is mandatory or recommended following
the Direcve RAEE 2012/19/UE inside European Union region, or anyway dispose in accordance
with local laws and regulaons. Do not burn or undergo to high temperatures.
The IWM-TX5 works reliably in the environmental condions specied in this manual. Any
unauthorized intervenon and/or modicaon may cause malfuncons or total damaging of the
product.
Warranty
The warranty period is set at 24 (twenty-four) months from the date of the shipping of the material.
Warranty is against defects in materials or workmanship when the product is properly used and
maintained in normal eciency. This Warranty is valid and enforceable in the country where the
product was purchased. If the product has been purchased in a country of the European Union, the
warranty is sll valid in all countries of the Community.
To obtain warranty service, it is requested to comply with the following clauses:
1. Products must be delivered for repair at the expense of the customer.
2. The product warranty will be subject to the exhibion of a tax document (receipt, or bill of
sale), which aests to the date of purchase of the product.
3. The repair will not aect the original date of expiraon of the warranty and will not involve
the renewal or extension thereof.
4. If at the me of the repair, the product has not any defect, it will be charged the costs of the
technical analysis.
5. The warranty is void if the failure was due to: impacts, falls, misuse or abuse of the product,
use of non-original baeries, accidents, product alteraon, replacement/detachment of seals
and/or product tampering. The same also does not cover damage caused during transport if
packages used are unsuitable.
6. The warranty is not covering the baery of the product.
7. The warranty does not cover the inability to use the product, other costs incidental or
consequenal damages or other expenses incurred by the purchaser.
8. The warranty doesn’t cover damage to the product caused by usage in any other way than
described in this manual.
Support on the products
If the product needs to be sent to the technical assistance, contact your dealer, or contact the
BMETERS Aer sales service at cket@bmeters.com.
Declaraon of Conformity
Hereby, B METERS, declares that this IWM-TX5 is in compliance with the essenal requirements and
other relevant provisions of Direcve 2014/53/EU.
The complete declaraon can be downloaded from the ocial website www.bmeters.com.
Contact Info
Via Friuli 3
Gonars (UD) – 33050
Fax: +39 0432992661
E-mail (technical support): cket@bmeters.com