Wireless Meter Reading System

HR-8000 is a point to point wireless AMR modules. It is special designed to reduce the wake up time when transmit to many meters and also reduce operate time. It can read one of the special user meter's data fast. So it has more advantage than HR-8001 system.

HR-8000 Meter Module function summary:
Sequence Pin Description Function Description Note
C1 Work Supply GND Module Work Supply Pin GND
Work Voltage range: 2.7~5V
C2 Work Supply VCC Module Work Supply Pin VCC

A1 Parameter Setting Power Supply GND
Parameter Setting Power Supply Pin GND
Work Voltage range: 2.7~5V
A2 Parameter Setting Power Supply VCC
Parameter Setting Power Supply Pin VCC
A3 RX Parameter Setting RX Data Pin(TTL) Connect with PC As Figure 1 Show
A4 TX Parameter Setting TX Data Pin(TTL)
A5 RST Module Reset after the Pin Return to High From Low During Work It is Disconnect
B2 General Alarm Check A Switch Signal can be Connected Logic'0'is Normal, Logic '1' will alarm
B3B4 Sensor AB Consume Water Sample Signal Logic '0' is accepted
RF antenna Decided with your Using Freq Band

Electrical characteristics
SN parameter unit min typical max note
1 Work voltage V 3 3.3 5 Sample only when low voltage
2 Average current uA 30 35 43 VCC=3.6V
3 Work Current mA 20 25 30 VCC=3.6V
4 Transmit Current mA 30 35 40
5 Work temperature C -40 -20-75 80 Effected by Crystal oscillator
6 IO Output elctricity mA 40
7 Work freq Band MHz 470 471 475
8 modulation FSK/GFSK
9 Output power ≤ MW 9.5 10 10.5
10 Transmit bandwidth kHz < 200
11 Receive sensitivity -dBm 109 110 111
12 Freq Steable kHz -20 +20
13 Receive bandwidth kHz 50
Features:
Technical parameter:
Brands: HR--8000 point to point wireless AMR modules (without go into the use's room)
Type: HR-8000
Transmit power: 10mW
Receive sensitive: -112dBm
Transmit distance: 200~ 800m (in the open field)
Dimension: 48*20*10mm

Contact: Mr Jet Zhang
Tel: 86 755 81782516
Mobile: 86 ( 0 ) 158 138 56667
Fax: 86 755 23007123  
E-mail: sales@ohglrf.com  
MSN: jetzhangcn@hotmail.com 
Skype: jet20071204 
 
Company: Oriental Huaray Group Limited
Add: Floor 2, Building A, Huaxia Industrial Park, Guangming Road, Shiyan BaoAn district, Shenzhen 518108, China   
Website: www.ohglrf.com