B meters IWM-TX5 Manual page 2

IWM-TX5
868 MHz Wireless MBUS module for B METERS water meters
Product description
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 configured using an Android device with an NFC interface and the NFC IWM Config
application.
To download the app, please connect to the Google Play, type NFC IWM Config and press the button
"Install". Please refer to the configuration software manual for a detailed description of the
configuration features and options available
Package Content
IWM-TX5 module

Anti-tampering seal

Anti-tampering sticker
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Installation guide

Technical data
 Working temperature: From +1°C to +55 °C
Power supply voltage: lithium battery 3.0 v*

Maximum battery duration: 10 years**

Radio interface: WMBUS EN13757-4 @868MHz [<25mW], mode T1

Configuration: by app NFC IWM Config

Protection 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

* Batteries are not replaceable, DO NOT ATTEMPT TO REPLEACE. Any attempt will void the warranty,
moreover, will irreversibly damage the device.
** The battery life strongly depends on the working time window, set during the configuration process,
and on the environmental conditions.
***IP68: maximum 24 hours of continuous submersion at 1 m depth
****Under optimal propagation conditions, the radio range depends on physical conditions (building
constructions, climatic conditions, ...) where propagation of the radio signal can therefore vary.
Installation
The installation 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 potential radio
shielding, in a place protected from tampering.
The device could be configured by using the NFC IWM config App. The installer has the task of checking
the propagation conditions of the radio signal during installation.
Commissioning
Make sure that you have respected the installation conditions described above.
Connect the module on the meter as shown in the picture. It is necessary to pair the inductive index
of the meter beneath the inductive 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
direction to lock it to the meter.
To initialize the module is necessary to let the inductive index of the dial rotate for 5 revolutions.
Configuration by using Android App + NFC Device: to initialize the configuration process, place the
NFC antenna of the android device near the module as shown in the picture. For the complete
configuration instructions, please refer to the app manual.
Check on the reading software the correct data collection and check that no alarm is active. To avoid
possible frauds on the module, it is recommended to tighten the orange seal supplied and apply the
adhesive seal.
IWM-TX5_QUG
IWM-TX5 Installation:
Step 1 Step 2
Seal application:
Step 1 Step 2
IWM-TX5 configuration/activation:
NFC configuration (optional) Radio activation at the passage of 5 liters
Quick User Guide
Safety
During the installation process, handle the device with care, don't crush, don't bent, don't

exposure to electrostatic discharges which could damage permanently the device, do not install
close to heat sources (radiators, conditioners, convectors etc..).
The IWM-TX5 module doesn't contain hazardous materials in accordance with European

directives 91/157/EEC, 2006/66/EEC, 2013/56/EU and 2011/65/EU (RoHS). The device requires
specific disposal on the end of its lifetime. Recycling is mandatory or recommended following
the Directive RAEE 2012/19/UE inside European Union region, or anyway dispose in accordance
with local laws and regulations. Do not burn or undergo to high temperatures.
The IWM-TX5 works reliably in the environmental conditions specified in this manual. Any

unauthorized intervention and/or modification may cause malfunctions 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 efficiency. This Warranty is valid and enforceable in the country where the
product was purchased. In the event that the product has been purchased in a country of the
Step 3
European Union, the warranty is still 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 exhibition of a tax document (receipt, receipt or
bill of sale), which attests to the date of purchase of the product.
3. The repair will not affect the original date of expiration of the warranty and will not involve
the renewal or extension thereof.
4. If at the time 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 batteries, accidents, product alteration, 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 battery of the product.
7. The warranty does not cover the inability to use the product, other costs incidental or
consequential 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 After sales service at ticket@bmeters.com.
Declaration of Conformity
Hereby, B METERS, declares that this IWM-TX5 is in compliance with the essential requirements and
other relevant provisions of Directive 2014/53/EU.
The complete declaration can be downloaded from the official website www.bmeters.com.
Contact Info
B METERS Srl Tel: +39 0432931415
Fax: +39 0432992661
Via Friuli 3 E-Mail (sales/informations):
Gonars (UD) – 33050 E-mail (technical support):
Italy Web:
info@bmeters.com
ticket@bmeters.com
www.bmeters.com
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