ST Engineering MMR3 Water Meter Reader Manuel utilisateur
- Taper
- Manuel utilisateur
ST Engineering Telematics Wireless Ltd
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Water Meter Reader
Model: MMR3
USER MANUAL
Revision 1.0, July 6, 2020
Copyright © Telematics Wireless Ltd.
All rights reserved
The document contains proprietary information of Telematics Wireless, Ltd.; it is provided under a license agreement containing restrictions
on use and disclosure, and is protected by copyright law.
Due to continued product development, this information may change without notice. The information and intellectual property contained herein
is confidential between Telematics Wireless Ltd. and the client, and remains the exclusive property of Telematics Wireless Ltd. If you find
any problems in the documentation, please report them to us in writing. Telematics Wireless Ltd. does not warrant that this document is
error-free.
No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical,
photocopying, recording, or otherwise without the prior written permission of Telematics Wireless Ltd.
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1. General description
The MMR3 is a plug and play RF transceiver unit operates at 916.3MHz.
The MMR3 unit collects wireless transmissions from water meters. The water meters are
compatible with Silver Spring network. The received data is saved in the internal
memory or transmitted via RS232/USB to external PC.
2. External photos
MMR3- General view
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3. LED indicators
Tx mode IND red LED is lit when transmitting data.
Rx mode IND green LED is lit when receiving mode is enable.
Standby mode IND orange LED is lit while in standby mode.
4. Technical Data
4.1 Electrical Characteristics
Parameter
Value
Input Voltage
120VAC ,60Hz
Control interface
USB, RS232
4.2 Radio Characteristics
Transmitter
Parameter
Value
Transmit Frequency
916.3MHz
Modulation
2FSK
Modulation Coding
Manchester
Bit rate (net data rate)
60 kbps
Peak Output power (without
Antenna)
14dBm
Sensitivity (BER 1E-3)
-95 dBm
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4.3 Environmental Characteristics
Operating Temperature
-30° C to + 70° C
Storage Temperature
-40° C to + 70° C
Humidity
Up to 95%
4.4 Antenna requirement
This radio transmitter 4732A-MMR31 has been approved by ISED Canada to operate with
the antenna types listed below with the maximum permissible gain indicated. Antenna
types not included in this list that have a gain greater than the maximum gain indicated
for any type listed are strictly prohibited for use with this device.
Le présent émetteur radio 4732A-MMR31 a été approuvé par ISED Canada pour
fonctionner avec les types d'antenne énumérés ci-dessous et ayant un gain admissible
maximal. Les types d'antenne non inclus dans cette liste, et dont le gain est supérieur au
gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur.
Antenna manufacturer
Model no.
Gain
Panorama
PCX-TNC-C3G
2dBi
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5. Regulation Information
FCC Part 15 Class B digital device notice
The digital circuit of this device has been tested and found to comply with the limits for a Class B digital
device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.
CAN ICES-3 (B)/NMB-3(B)
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numerique de la classe B est conforme a la norme NMB-003 du Canada.
FCC and Industry Canada interference Notice
This device complies with Part 15 of FCC rules and with Industry Canada license-exempt RSS standard(s).
Operation is subject to the following two conditions:
(1) This device may not cause interference; and
(2) This device must accept any interference received, including interference that may cause undesired
operation of the device.
Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio exempts de
licence. L’exploitation est autorisée aux deux conditions suivantes :
(1) l’appareil ne doit pas produire de brouillage;
(2) l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est
susceptible d’en compromettre le fonctionnement.
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FCC and Industry Canada Radiation Hazard Warning
WARNING! To comply with FCC and IC RF exposure compliance requirements, the device should be
located at a distance of at least 20 cm from all persons during normal operation. The antennas used for this
product must not be co-located or operated in conjunction with any other antenna or transmitter.
Le dispositif doit être placé à une distance d'au moins 20 cm à partir de toutes les personnes au cours de
son fonctionnement normal. Les antennes utilisées pour ce produit ne doivent pas être situés ou exploités
conjointement avec une autre antenne ou transmetteur.
WARNING! Changes or modifications to this equipment not expressly approved by the party responsible
for compliance (ST Engineering Telematics Wireless Ltd.) could void the user’s authority to operate the
equipment.
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